Analysis
-
max time kernel
150s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
09-08-2024 21:16
Behavioral task
behavioral1
Sample
8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe
Resource
win7-20240708-en
General
-
Target
8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe
-
Size
234KB
-
MD5
8393b965a4159ab6400d46899c943af1
-
SHA1
13f2b5f18cbb2ea6165bcca033d3d17880965a71
-
SHA256
a243b4d437e5381ce22852e3bc6f6621dfaf8a618526d37d4e763a43c5634c07
-
SHA512
8f5146b3ff5e35e8b9376a568da405bb74f89da8d36d7faba79a32281b25f57e6fa6b93a3b22ab4bc36041025e902e45ffcca18865e74a732d5ff30b9040483e
-
SSDEEP
6144:9hqN2gp8/DlfS7kuF8EZZY0W+DBOeq0S98JS9ToS:9h8eDlK7iEFVhq0SeU9ToS
Malware Config
Extracted
darkcomet
Guest16
127.0.0.1:1604
DC_MUTEX-F54S21D
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
VzpgEE93M5fr
-
install
true
-
offline_keylogger
true
-
persistence
false
-
reg_key
MicroUpdate
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
8393b965a4159ab6400d46899c943af1_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 3068 msdcsc.exe -
Loads dropped DLL 2 IoCs
Processes:
8393b965a4159ab6400d46899c943af1_JaffaCakes118.exepid process 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe -
Processes:
resource yara_rule behavioral1/memory/2172-0-0x0000000000400000-0x00000000004BB000-memory.dmp upx \Users\Admin\Documents\MSDCSC\msdcsc.exe upx behavioral1/memory/2172-12-0x0000000000400000-0x00000000004BB000-memory.dmp upx behavioral1/memory/3068-14-0x0000000000400000-0x00000000004BB000-memory.dmp upx behavioral1/memory/3068-16-0x0000000000400000-0x00000000004BB000-memory.dmp upx behavioral1/memory/3068-20-0x0000000000400000-0x00000000004BB000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
8393b965a4159ab6400d46899c943af1_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
8393b965a4159ab6400d46899c943af1_JaffaCakes118.exemsdcsc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
Processes:
8393b965a4159ab6400d46899c943af1_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeSecurityPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeLoadDriverPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeSystemProfilePrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeSystemtimePrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeBackupPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeRestorePrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeShutdownPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeDebugPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeUndockPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeManageVolumePrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeImpersonatePrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: 33 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: 34 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: 35 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 3068 msdcsc.exe Token: SeSecurityPrivilege 3068 msdcsc.exe Token: SeTakeOwnershipPrivilege 3068 msdcsc.exe Token: SeLoadDriverPrivilege 3068 msdcsc.exe Token: SeSystemProfilePrivilege 3068 msdcsc.exe Token: SeSystemtimePrivilege 3068 msdcsc.exe Token: SeProfSingleProcessPrivilege 3068 msdcsc.exe Token: SeIncBasePriorityPrivilege 3068 msdcsc.exe Token: SeCreatePagefilePrivilege 3068 msdcsc.exe Token: SeBackupPrivilege 3068 msdcsc.exe Token: SeRestorePrivilege 3068 msdcsc.exe Token: SeShutdownPrivilege 3068 msdcsc.exe Token: SeDebugPrivilege 3068 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3068 msdcsc.exe Token: SeChangeNotifyPrivilege 3068 msdcsc.exe Token: SeRemoteShutdownPrivilege 3068 msdcsc.exe Token: SeUndockPrivilege 3068 msdcsc.exe Token: SeManageVolumePrivilege 3068 msdcsc.exe Token: SeImpersonatePrivilege 3068 msdcsc.exe Token: SeCreateGlobalPrivilege 3068 msdcsc.exe Token: 33 3068 msdcsc.exe Token: 34 3068 msdcsc.exe Token: 35 3068 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 3068 msdcsc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
8393b965a4159ab6400d46899c943af1_JaffaCakes118.exedescription pid process target process PID 2172 wrote to memory of 3068 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe msdcsc.exe PID 2172 wrote to memory of 3068 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe msdcsc.exe PID 2172 wrote to memory of 3068 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe msdcsc.exe PID 2172 wrote to memory of 3068 2172 8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe msdcsc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8393b965a4159ab6400d46899c943af1_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3068
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
234KB
MD58393b965a4159ab6400d46899c943af1
SHA113f2b5f18cbb2ea6165bcca033d3d17880965a71
SHA256a243b4d437e5381ce22852e3bc6f6621dfaf8a618526d37d4e763a43c5634c07
SHA5128f5146b3ff5e35e8b9376a568da405bb74f89da8d36d7faba79a32281b25f57e6fa6b93a3b22ab4bc36041025e902e45ffcca18865e74a732d5ff30b9040483e