Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\updates\xbnzfirvtpbdk
Malicious functions
Creates and executes the following
- '' (downloaded from the Internet)
Creates and executes the following (exploit)
- 'C:\users\public\vbc.exe'
Injects code into
the following user processes:
- vbc.exe
Searches for registry branches where third party applications store passwords
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
- [<HKCU>\Software\Martin Prikryl\WinSCP 2\Sessions\]
Reads files which store third party applications passwords
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %APPDATA%\opera software\opera stable\login data
- %LOCALAPPDATA%\google\chrome\user data\default\cookies
- %LOCALAPPDATA%\google\chrome\user data\default\web data
Modifies file system
Creates the following files
- C:\users\public\vbc.exe
- %TEMP%\0a87f429\ucrtbase.dll
- %TEMP%\0a87f429\softokn3.dll
- %TEMP%\0a87f429\nssdbm3.dll
- %TEMP%\0a87f429\nss3.dll
- %TEMP%\0a87f429\msvcp140.dll
- %TEMP%\11283249689591065717966.tmp
- %TEMP%\0a87f429\mozglue.dll
- %TEMP%\0a87f429\api-ms-win-crt-utility-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-time-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-string-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-stdio-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-runtime-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-process-l1-1-0.dll
- %TEMP%\0a87f429\freebl3.dll
- %TEMP%\0a87f429\api-ms-win-core-sysinfo-l1-1-0.dll
- %TEMP%\1128370825758262698194.tmp
- %TEMP%\11308515464239797268125.tmp
- %TEMP%\11308205967250986852005.tmp
- %TEMP%\11308202746855359529953.tmp
- %TEMP%\11308041531193499308.tmp
- %TEMP%\11308045090295261135545.tmp
- %TEMP%\11307888103943623955052.tmp
- %TEMP%\0a87f429\api-ms-win-crt-private-l1-1-0.dll
- %TEMP%\0a87f429\vcruntime140.dll
- %TEMP%\1130726823210377406352.tmp
- %TEMP%\113064874776916391693.tmp
- %TEMP%\11306322968448733258255.tmp
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %TEMP%\1130726823210377406352.tmp-shm
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %TEMP%\0a87f429\api-ms-win-crt-multibyte-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-math-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-locale-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-file-l1-1-0.dll
- %APPDATA%\xbnzfirvtpbdk.exe
- %TEMP%\tmp10a3.tmp
- %TEMP%\0a87f429\api-ms-win-core-console-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-datetime-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-debug-l1-1-0.dll
- %TEMP%\11308667472865880899871.tmp
- %TEMP%\0a87f429\api-ms-win-core-errorhandling-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-memory-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-file-l2-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-handle-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-heap-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-interlocked-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-libraryloader-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-file-l1-2-0.dll
- %TEMP%\11307732100630582139178.tmp
- %TEMP%\0a87f429\api-ms-win-core-namedpipe-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-processthreads-l1-1-1.dll
- %TEMP%\0a87f429\api-ms-win-core-processenvironment-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-heap-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-filesystem-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-environment-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-convert-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-conio-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-processthreads-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-util-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-localization-l1-2-0.dll
- %TEMP%\0a87f429\api-ms-win-core-synch-l1-2-0.dll
- %TEMP%\0a87f429\api-ms-win-core-synch-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-string-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-rtlsupport-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-profile-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-timezone-l1-1-0.dll
- %TEMP%\11308667472865880899871.tmp-shm
Deletes the following files
- %TEMP%\tmp10a3.tmp
- %TEMP%\0a87f429\api-ms-win-core-string-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-synch-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-synch-l1-2-0.dll
- %TEMP%\0a87f429\api-ms-win-core-sysinfo-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-timezone-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-util-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-conio-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-convert-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-environment-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-filesystem-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-heap-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-locale-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-profile-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-rtlsupport-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-math-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-process-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-runtime-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-stdio-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-string-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-time-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-utility-l1-1-0.dll
- %TEMP%\0a87f429\freebl3.dll
- %TEMP%\0a87f429\mozglue.dll
- %TEMP%\0a87f429\msvcp140.dll
- %TEMP%\0a87f429\nss3.dll
- %TEMP%\0a87f429\nssdbm3.dll
- %TEMP%\0a87f429\softokn3.dll
- %TEMP%\0a87f429\api-ms-win-crt-multibyte-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-crt-private-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-processthreads-l1-1-1.dll
- %TEMP%\0a87f429\api-ms-win-core-processthreads-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-processenvironment-l1-1-0.dll
- %TEMP%\1128370825758262698194.tmp
- %TEMP%\11306322968448733258255.tmp
- %TEMP%\113064874776916391693.tmp
- %TEMP%\1130726823210377406352.tmp-shm
- %TEMP%\1130726823210377406352.tmp
- %TEMP%\11307732100630582139178.tmp
- %TEMP%\11307888103943623955052.tmp
- %TEMP%\11308045090295261135545.tmp
- %TEMP%\11308041531193499308.tmp
- %TEMP%\11308202746855359529953.tmp
- %TEMP%\11308205967250986852005.tmp
- %TEMP%\11308515464239797268125.tmp
- %TEMP%\11308667472865880899871.tmp-shm
- %TEMP%\11283249689591065717966.tmp
- %TEMP%\11308667472865880899871.tmp
- %TEMP%\0a87f429\api-ms-win-core-datetime-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-debug-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-errorhandling-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-file-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-file-l1-2-0.dll
- %TEMP%\0a87f429\api-ms-win-core-file-l2-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-handle-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-heap-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-interlocked-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-libraryloader-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-localization-l1-2-0.dll
- %TEMP%\0a87f429\api-ms-win-core-memory-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-namedpipe-l1-1-0.dll
- %TEMP%\0a87f429\api-ms-win-core-console-l1-1-0.dll
- %TEMP%\0a87f429\ucrtbase.dll
- %TEMP%\0a87f429\vcruntime140.dll
Network activity
TCP
HTTP GET requests
- http://st#######ikonlinedpk.dns.army/kaladoc/vbc.exe
HTTP POST requests
- http://al##fah.com/PL342/index.php
UDP
- DNS ASK st#######ikonlinedpk.dns.army
- DNS ASK al##fah.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\xBnZfirvTPbDk" /XML "%TEMP%\tmp10A3.tmp"' (with hidden window)
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\xBnZfirvTPbDk" /XML "%TEMP%\tmp10A3.tmp"