Analysis
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max time kernel
93s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
01-08-2024 04:21
Static task
static1
Behavioral task
behavioral1
Sample
7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe
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Size
1013KB
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MD5
7f2761a751bb3205b4b82ac40c62475b
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SHA1
bf7b8b6a7dafcd506885baf5346295fa742115ef
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SHA256
52b8d8b83d4fb0a23c947c9f76b2a205b6e9d4338a74eb07ecf29b2fa6289161
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SHA512
a94e29620be16f6e3bbc6bea9cbdbb53568c8a8470c3bfc40b823cb299fc193300ccad046d6b38a45a665e240843f811d77adb2f2513bbe617aa4bd214a33789
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SSDEEP
12288:y1Eu4AZ+EOJTSNT8JpclOVgvcWS2LgHtJpXMKI1jdT5yRVhJUzIwX5+9NB8GYbn3:k0GMG15eisLl74ZYS+/VRZ
Malware Config
Extracted
darkcomet
Guest16
hmmm1.no-ip.biz:1452
DC_MUTEX-RF11TVS
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InstallPath
MSDCSC\msdcsc.exe
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gencode
s8N4R8Mo0z2b
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install
true
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offline_keylogger
true
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persistence
true
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reg_key
MicroUpdate
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
svchost.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" svchost.exe -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid process 320 attrib.exe 2644 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
svchost.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation svchost.exe -
Executes dropped EXE 2 IoCs
Processes:
svchost.exemsdcsc.exepid process 5020 svchost.exe 2912 msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exedescription pid process target process PID 4568 set thread context of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exesvchost.execmd.execmd.exeattrib.exeattrib.exemsdcsc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe -
Modifies registry class 1 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ svchost.exe -
Suspicious use of AdjustPrivilegeToken 24 IoCs
Processes:
svchost.exedescription pid process Token: SeIncreaseQuotaPrivilege 5020 svchost.exe Token: SeSecurityPrivilege 5020 svchost.exe Token: SeTakeOwnershipPrivilege 5020 svchost.exe Token: SeLoadDriverPrivilege 5020 svchost.exe Token: SeSystemProfilePrivilege 5020 svchost.exe Token: SeSystemtimePrivilege 5020 svchost.exe Token: SeProfSingleProcessPrivilege 5020 svchost.exe Token: SeIncBasePriorityPrivilege 5020 svchost.exe Token: SeCreatePagefilePrivilege 5020 svchost.exe Token: SeBackupPrivilege 5020 svchost.exe Token: SeRestorePrivilege 5020 svchost.exe Token: SeShutdownPrivilege 5020 svchost.exe Token: SeDebugPrivilege 5020 svchost.exe Token: SeSystemEnvironmentPrivilege 5020 svchost.exe Token: SeChangeNotifyPrivilege 5020 svchost.exe Token: SeRemoteShutdownPrivilege 5020 svchost.exe Token: SeUndockPrivilege 5020 svchost.exe Token: SeManageVolumePrivilege 5020 svchost.exe Token: SeImpersonatePrivilege 5020 svchost.exe Token: SeCreateGlobalPrivilege 5020 svchost.exe Token: 33 5020 svchost.exe Token: 34 5020 svchost.exe Token: 35 5020 svchost.exe Token: 36 5020 svchost.exe -
Suspicious use of WriteProcessMemory 29 IoCs
Processes:
7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exesvchost.execmd.execmd.exedescription pid process target process PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 4568 wrote to memory of 5020 4568 7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe svchost.exe PID 5020 wrote to memory of 4012 5020 svchost.exe cmd.exe PID 5020 wrote to memory of 4012 5020 svchost.exe cmd.exe PID 5020 wrote to memory of 4012 5020 svchost.exe cmd.exe PID 5020 wrote to memory of 684 5020 svchost.exe cmd.exe PID 5020 wrote to memory of 684 5020 svchost.exe cmd.exe PID 5020 wrote to memory of 684 5020 svchost.exe cmd.exe PID 4012 wrote to memory of 320 4012 cmd.exe attrib.exe PID 4012 wrote to memory of 320 4012 cmd.exe attrib.exe PID 4012 wrote to memory of 320 4012 cmd.exe attrib.exe PID 684 wrote to memory of 2644 684 cmd.exe attrib.exe PID 684 wrote to memory of 2644 684 cmd.exe attrib.exe PID 684 wrote to memory of 2644 684 cmd.exe attrib.exe PID 5020 wrote to memory of 2912 5020 svchost.exe msdcsc.exe PID 5020 wrote to memory of 2912 5020 svchost.exe msdcsc.exe PID 5020 wrote to memory of 2912 5020 svchost.exe msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 2644 attrib.exe 320 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7f2761a751bb3205b4b82ac40c62475b_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\svchost.exe2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5020 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4012 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:320 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:684 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2644 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2912
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
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2Replay Monitor
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Downloads
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Filesize
1.1MB
MD5d881de17aa8f2e2c08cbb7b265f928f9
SHA108936aebc87decf0af6e8eada191062b5e65ac2a
SHA256b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA5125f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34