Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
02-07-2024 04:18
Static task
static1
Behavioral task
behavioral1
Sample
1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe
Resource
win7-20240611-en
General
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Target
1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe
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Size
393KB
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MD5
1df9fece0dd4500c39dbe9544959a9b7
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SHA1
5e3a78348a7c8227324e7c586c9f1705d9f1e042
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SHA256
803c89efe08eb9dd7dc35bd886818e61ffa82762d75f63c9d2691dd66e703524
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SHA512
0bce0589f10d9c76db128dd74d284fe9708f43099dd7a2827f108a82ac5116f906e4f5fb4c0892f9f00f9aa856dd6b478e9ffc7849e7a25b696aafcf9ca8a9a6
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SSDEEP
6144:NcfcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37jNkb/XM3jxNxW0Y0zlVYFAbQ:NcfcW7KEZlPzCy37jNW/XgxNXli3
Malware Config
Extracted
darkcomet
Guest16
romanticboy.zapto.org:1604
DC_MUTEX-DJQBFWY
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InstallPath
MSDCSC\msdcsc.exe
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gencode
lG6FsTBjX2NM
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install
true
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offline_keylogger
true
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persistence
false
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reg_key
MicroUpdate
Extracted
latentbot
romanticboy.zapto.org
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\MSDCSC\\msdcsc.exe" 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe -
Processes:
msdcsc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid process 1736 attrib.exe 1020 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
msdcsc.exepid process 3172 msdcsc.exe -
Processes:
msdcsc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe" 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
Processes:
1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exedescription ioc process File created C:\Windows\SysWOW64\MSDCSC\msdcsc.exe 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\msdcsc.exe 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\MSDCSC\ 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 1584 4424 WerFault.exe notepad.exe 4964 4504 WerFault.exe notepad.exe -
Modifies registry class 1 IoCs
Processes:
1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
msdcsc.exepid process 3172 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exemsdcsc.exedescription pid process Token: SeIncreaseQuotaPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeSecurityPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeTakeOwnershipPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeLoadDriverPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeSystemProfilePrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeSystemtimePrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeProfSingleProcessPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeCreatePagefilePrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeBackupPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeRestorePrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeShutdownPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeDebugPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeSystemEnvironmentPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeChangeNotifyPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeRemoteShutdownPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeUndockPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeManageVolumePrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeImpersonatePrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeCreateGlobalPrivilege 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: 33 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: 34 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: 35 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: 36 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe Token: SeIncreaseQuotaPrivilege 3172 msdcsc.exe Token: SeSecurityPrivilege 3172 msdcsc.exe Token: SeTakeOwnershipPrivilege 3172 msdcsc.exe Token: SeLoadDriverPrivilege 3172 msdcsc.exe Token: SeSystemProfilePrivilege 3172 msdcsc.exe Token: SeSystemtimePrivilege 3172 msdcsc.exe Token: SeProfSingleProcessPrivilege 3172 msdcsc.exe Token: SeIncBasePriorityPrivilege 3172 msdcsc.exe Token: SeCreatePagefilePrivilege 3172 msdcsc.exe Token: SeBackupPrivilege 3172 msdcsc.exe Token: SeRestorePrivilege 3172 msdcsc.exe Token: SeShutdownPrivilege 3172 msdcsc.exe Token: SeDebugPrivilege 3172 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3172 msdcsc.exe Token: SeChangeNotifyPrivilege 3172 msdcsc.exe Token: SeRemoteShutdownPrivilege 3172 msdcsc.exe Token: SeUndockPrivilege 3172 msdcsc.exe Token: SeManageVolumePrivilege 3172 msdcsc.exe Token: SeImpersonatePrivilege 3172 msdcsc.exe Token: SeCreateGlobalPrivilege 3172 msdcsc.exe Token: 33 3172 msdcsc.exe Token: 34 3172 msdcsc.exe Token: 35 3172 msdcsc.exe Token: 36 3172 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
msdcsc.exepid process 3172 msdcsc.exe -
Suspicious use of WriteProcessMemory 54 IoCs
Processes:
1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.execmd.execmd.exemsdcsc.exedescription pid process target process PID 384 wrote to memory of 3344 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe cmd.exe PID 384 wrote to memory of 3344 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe cmd.exe PID 384 wrote to memory of 3344 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe cmd.exe PID 384 wrote to memory of 2668 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe cmd.exe PID 384 wrote to memory of 2668 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe cmd.exe PID 384 wrote to memory of 2668 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe cmd.exe PID 2668 wrote to memory of 1736 2668 cmd.exe attrib.exe PID 2668 wrote to memory of 1736 2668 cmd.exe attrib.exe PID 2668 wrote to memory of 1736 2668 cmd.exe attrib.exe PID 3344 wrote to memory of 1020 3344 cmd.exe attrib.exe PID 3344 wrote to memory of 1020 3344 cmd.exe attrib.exe PID 3344 wrote to memory of 1020 3344 cmd.exe attrib.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 4424 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe notepad.exe PID 384 wrote to memory of 3172 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe msdcsc.exe PID 384 wrote to memory of 3172 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe msdcsc.exe PID 384 wrote to memory of 3172 384 1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe msdcsc.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe PID 3172 wrote to memory of 4504 3172 msdcsc.exe notepad.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 1736 attrib.exe 1020 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe" +s +h2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\1df9fece0dd4500c39dbe9544959a9b7_JaffaCakes118.exe" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- Views/modifies file attributes
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C:\Windows\SysWOW64\notepad.exenotepad2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4424 -s 4163⤵
- Program crash
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C:\Windows\SysWOW64\MSDCSC\msdcsc.exe"C:\Windows\system32\MSDCSC\msdcsc.exe"2⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exenotepad3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 1844⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4424 -ip 44241⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4504 -ip 45041⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
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
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C:\Windows\SysWOW64\MSDCSC\msdcsc.exeFilesize
393KB
MD51df9fece0dd4500c39dbe9544959a9b7
SHA15e3a78348a7c8227324e7c586c9f1705d9f1e042
SHA256803c89efe08eb9dd7dc35bd886818e61ffa82762d75f63c9d2691dd66e703524
SHA5120bce0589f10d9c76db128dd74d284fe9708f43099dd7a2827f108a82ac5116f906e4f5fb4c0892f9f00f9aa856dd6b478e9ffc7849e7a25b696aafcf9ca8a9a6
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memory/384-68-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/384-1-0x0000000002200000-0x0000000002201000-memory.dmpFilesize
4KB
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memory/384-0-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-78-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-76-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-64-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-70-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-71-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-72-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-73-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-74-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-75-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-83-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-77-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-82-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-79-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-80-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/3172-81-0x0000000000400000-0x00000000004EE000-memory.dmpFilesize
952KB
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memory/4424-5-0x0000000000510000-0x0000000000511000-memory.dmpFilesize
4KB
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memory/4504-66-0x0000000000BA0000-0x0000000000BA1000-memory.dmpFilesize
4KB