Analysis
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max time kernel
11s -
max time network
15s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
01-08-2024 08:49
Static task
static1
Behavioral task
behavioral1
Sample
7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe
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Size
548KB
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MD5
7fdf52e6c29795edf3873748ade13d0e
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SHA1
14c005aeb0015840038e38bd8f3ed8b8d0afb08f
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SHA256
a010cb86c49f5095e8d23a269dfaeadaa4271311fd81ae3ecbb58d8d9405f8a9
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SHA512
ba40011c93bc6b4610f12084b1c12612e0a6fd791a8424bd69028fd503a9feddc1546d41f78aa1a0e51c8b2f446884f59d11bb633eddeff21f417cde012878bb
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SSDEEP
12288:1QnZp+FguhYs1ob8SfLR18KHwbQhpZggZE6rDoa2aRTiua:CnZDN1b7JV4
Malware Config
Extracted
darkcomet
Guest16
darkcommetrat.no-ip.org:25565
DC_MUTEX-MV4JSRU
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InstallPath
MSDCSC\msdcsc.exe
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gencode
UrntQd1f4RHS
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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\\AppData\\Local\\Temp\\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 2776 attrib.exe 1300 attrib.exe -
Executes dropped EXE 2 IoCs
Processes:
svchost.exemsdcsc.exepid process 2404 svchost.exe 788 msdcsc.exe -
Loads dropped DLL 2 IoCs
Processes:
7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exesvchost.exepid process 2240 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe 2404 svchost.exe -
Processes:
resource yara_rule behavioral1/memory/2404-14-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/2404-18-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/2404-17-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/2404-16-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/2404-12-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/2404-9-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/2404-8-0x0000000000400000-0x00000000004CA000-memory.dmp upx behavioral1/memory/2404-45-0x0000000000400000-0x00000000004CA000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe" svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exedescription pid process target process PID 2240 set thread context of 2404 2240 7fdf52e6c29795edf3873748ade13d0e_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 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exesvchost.exenotepad.execmd.execmd.exeattrib.exeattrib.exemsdcsc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.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 -
Suspicious use of AdjustPrivilegeToken 23 IoCs
Processes:
svchost.exedescription pid process Token: SeIncreaseQuotaPrivilege 2404 svchost.exe Token: SeSecurityPrivilege 2404 svchost.exe Token: SeTakeOwnershipPrivilege 2404 svchost.exe Token: SeLoadDriverPrivilege 2404 svchost.exe Token: SeSystemProfilePrivilege 2404 svchost.exe Token: SeSystemtimePrivilege 2404 svchost.exe Token: SeProfSingleProcessPrivilege 2404 svchost.exe Token: SeIncBasePriorityPrivilege 2404 svchost.exe Token: SeCreatePagefilePrivilege 2404 svchost.exe Token: SeBackupPrivilege 2404 svchost.exe Token: SeRestorePrivilege 2404 svchost.exe Token: SeShutdownPrivilege 2404 svchost.exe Token: SeDebugPrivilege 2404 svchost.exe Token: SeSystemEnvironmentPrivilege 2404 svchost.exe Token: SeChangeNotifyPrivilege 2404 svchost.exe Token: SeRemoteShutdownPrivilege 2404 svchost.exe Token: SeUndockPrivilege 2404 svchost.exe Token: SeManageVolumePrivilege 2404 svchost.exe Token: SeImpersonatePrivilege 2404 svchost.exe Token: SeCreateGlobalPrivilege 2404 svchost.exe Token: 33 2404 svchost.exe Token: 34 2404 svchost.exe Token: 35 2404 svchost.exe -
Suspicious use of WriteProcessMemory 46 IoCs
Processes:
7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exesvchost.execmd.execmd.exedescription pid process target process PID 2240 wrote to memory of 2404 2240 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe svchost.exe PID 2240 wrote to memory of 2404 2240 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe svchost.exe PID 2240 wrote to memory of 2404 2240 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe svchost.exe PID 2240 wrote to memory of 2404 2240 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe svchost.exe PID 2240 wrote to memory of 2404 2240 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe svchost.exe PID 2240 wrote to memory of 2404 2240 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe svchost.exe PID 2240 wrote to memory of 2404 2240 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe svchost.exe PID 2240 wrote to memory of 2404 2240 7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe svchost.exe PID 2404 wrote to memory of 2736 2404 svchost.exe cmd.exe PID 2404 wrote to memory of 2736 2404 svchost.exe cmd.exe PID 2404 wrote to memory of 2736 2404 svchost.exe cmd.exe PID 2404 wrote to memory of 2736 2404 svchost.exe cmd.exe PID 2404 wrote to memory of 2620 2404 svchost.exe cmd.exe PID 2404 wrote to memory of 2620 2404 svchost.exe cmd.exe PID 2404 wrote to memory of 2620 2404 svchost.exe cmd.exe PID 2404 wrote to memory of 2620 2404 svchost.exe cmd.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2404 wrote to memory of 2728 2404 svchost.exe notepad.exe PID 2620 wrote to memory of 2776 2620 cmd.exe attrib.exe PID 2620 wrote to memory of 2776 2620 cmd.exe attrib.exe PID 2620 wrote to memory of 2776 2620 cmd.exe attrib.exe PID 2620 wrote to memory of 2776 2620 cmd.exe attrib.exe PID 2736 wrote to memory of 1300 2736 cmd.exe attrib.exe PID 2736 wrote to memory of 1300 2736 cmd.exe attrib.exe PID 2736 wrote to memory of 1300 2736 cmd.exe attrib.exe PID 2736 wrote to memory of 1300 2736 cmd.exe attrib.exe PID 2404 wrote to memory of 788 2404 svchost.exe msdcsc.exe PID 2404 wrote to memory of 788 2404 svchost.exe msdcsc.exe PID 2404 wrote to memory of 788 2404 svchost.exe msdcsc.exe PID 2404 wrote to memory of 788 2404 svchost.exe msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
Processes:
attrib.exeattrib.exepid process 2776 attrib.exe 1300 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7fdf52e6c29795edf3873748ade13d0e_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240 -
C:\Users\Admin\AppData\Local\Temp\svchost.exeC:\Users\Admin\AppData\Local\Temp\svchost.exe2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404 -
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:2736 -
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:1300 -
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:2620 -
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:2776 -
C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:2728 -
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:788
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
Loading Replay Monitor...
Downloads
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Filesize
1.1MB
MD534aa912defa18c2c129f1e09d75c1d7e
SHA19c3046324657505a30ecd9b1fdb46c05bde7d470
SHA2566df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386
SHA512d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98