Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
21-01-2025 21:36
Behavioral task
behavioral1
Sample
JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe
Resource
win7-20241010-en
windows7-x64
23 signatures
150 seconds
Behavioral task
behavioral2
Sample
JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
23 signatures
150 seconds
General
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Target
JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe
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Size
249KB
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MD5
07aac523473ca66487a6e29cb3a8dfd1
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SHA1
f1c313bbba97d97cbcfc496b170ca112a9f08da1
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SHA256
13e7709b9c2f4754efb6e8a956cf810297b64bbd29959b8fa3d1adcca3c18590
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SHA512
5f1a630aaf54faad5db8883622b652ba3b7cd0c84507543dd8858ae00616f764522a927a05c66e8fdf13f7b0b6b6b929a047a4573b21cf0ba2dea51fabc5e1f0
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SSDEEP
6144:swT5O7pJmNB6dLY6dCnnsyZLHoaIyv6ocU/qxDS2xDWb3cw0O:sP+NULZdCn3TbncU2D7Ab3m
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
rawrmonster.no-ip.info:4384
Mutex
DC_MUTEX-XYTRZX8
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
PS5SanKTncZj
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install
true
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offline_keylogger
true
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password
$@ndy@4384
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persistence
false
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reg_key
MicroUpdate
Signatures
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Darkcomet family
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description 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" JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe -
Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" msdcsc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" iexplore.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0" iexplore.exe -
Modifies security service 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" iexplore.exe -
Windows security bypass 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" iexplore.exe -
Disables RegEdit via registry modification 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.exe Set value (int) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" iexplore.exe -
Disables Task Manager via registry modification
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Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 2296 attrib.exe 3784 attrib.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe -
Executes dropped EXE 1 IoCs
pid Process 3088 msdcsc.exe -
Windows security modification 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" msdcsc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3088 set thread context of 4384 3088 msdcsc.exe 89 -
resource yara_rule behavioral2/memory/5004-0-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/files/0x0032000000023b84-6.dat upx behavioral2/memory/5004-13-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/3088-19-0x0000000000400000-0x00000000004B5000-memory.dmp upx behavioral2/memory/4384-17-0x0000000000400000-0x00000000004B5000-memory.dmp upx -
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.
description ioc Process 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language attrib.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4384 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeSecurityPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeTakeOwnershipPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeLoadDriverPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeSystemProfilePrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeSystemtimePrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeProfSingleProcessPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeIncBasePriorityPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeCreatePagefilePrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeBackupPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeRestorePrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeShutdownPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeDebugPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeSystemEnvironmentPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeChangeNotifyPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeRemoteShutdownPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeUndockPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeManageVolumePrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeImpersonatePrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeCreateGlobalPrivilege 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: 33 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: 34 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: 35 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: 36 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe Token: SeIncreaseQuotaPrivilege 3088 msdcsc.exe Token: SeSecurityPrivilege 3088 msdcsc.exe Token: SeTakeOwnershipPrivilege 3088 msdcsc.exe Token: SeLoadDriverPrivilege 3088 msdcsc.exe Token: SeSystemProfilePrivilege 3088 msdcsc.exe Token: SeSystemtimePrivilege 3088 msdcsc.exe Token: SeProfSingleProcessPrivilege 3088 msdcsc.exe Token: SeIncBasePriorityPrivilege 3088 msdcsc.exe Token: SeCreatePagefilePrivilege 3088 msdcsc.exe Token: SeBackupPrivilege 3088 msdcsc.exe Token: SeRestorePrivilege 3088 msdcsc.exe Token: SeShutdownPrivilege 3088 msdcsc.exe Token: SeDebugPrivilege 3088 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3088 msdcsc.exe Token: SeChangeNotifyPrivilege 3088 msdcsc.exe Token: SeRemoteShutdownPrivilege 3088 msdcsc.exe Token: SeUndockPrivilege 3088 msdcsc.exe Token: SeManageVolumePrivilege 3088 msdcsc.exe Token: SeImpersonatePrivilege 3088 msdcsc.exe Token: SeCreateGlobalPrivilege 3088 msdcsc.exe Token: 33 3088 msdcsc.exe Token: 34 3088 msdcsc.exe Token: 35 3088 msdcsc.exe Token: 36 3088 msdcsc.exe Token: SeIncreaseQuotaPrivilege 4384 iexplore.exe Token: SeSecurityPrivilege 4384 iexplore.exe Token: SeTakeOwnershipPrivilege 4384 iexplore.exe Token: SeLoadDriverPrivilege 4384 iexplore.exe Token: SeSystemProfilePrivilege 4384 iexplore.exe Token: SeSystemtimePrivilege 4384 iexplore.exe Token: SeProfSingleProcessPrivilege 4384 iexplore.exe Token: SeIncBasePriorityPrivilege 4384 iexplore.exe Token: SeCreatePagefilePrivilege 4384 iexplore.exe Token: SeBackupPrivilege 4384 iexplore.exe Token: SeRestorePrivilege 4384 iexplore.exe Token: SeShutdownPrivilege 4384 iexplore.exe Token: SeDebugPrivilege 4384 iexplore.exe Token: SeSystemEnvironmentPrivilege 4384 iexplore.exe Token: SeChangeNotifyPrivilege 4384 iexplore.exe Token: SeRemoteShutdownPrivilege 4384 iexplore.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4384 iexplore.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 5004 wrote to memory of 2852 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe 83 PID 5004 wrote to memory of 2852 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe 83 PID 5004 wrote to memory of 2852 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe 83 PID 5004 wrote to memory of 3904 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe 85 PID 5004 wrote to memory of 3904 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe 85 PID 5004 wrote to memory of 3904 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe 85 PID 5004 wrote to memory of 3088 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe 87 PID 5004 wrote to memory of 3088 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe 87 PID 5004 wrote to memory of 3088 5004 JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe 87 PID 2852 wrote to memory of 2296 2852 cmd.exe 88 PID 2852 wrote to memory of 2296 2852 cmd.exe 88 PID 2852 wrote to memory of 2296 2852 cmd.exe 88 PID 3904 wrote to memory of 3784 3904 cmd.exe 90 PID 3904 wrote to memory of 3784 3904 cmd.exe 90 PID 3904 wrote to memory of 3784 3904 cmd.exe 90 PID 3088 wrote to memory of 4384 3088 msdcsc.exe 89 PID 3088 wrote to memory of 4384 3088 msdcsc.exe 89 PID 3088 wrote to memory of 4384 3088 msdcsc.exe 89 PID 3088 wrote to memory of 4384 3088 msdcsc.exe 89 PID 3088 wrote to memory of 4384 3088 msdcsc.exe 89 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion msdcsc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern msdcsc.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 2296 attrib.exe 3784 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5004 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_07aac523473ca66487a6e29cb3a8dfd1.exe" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:2296
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3904 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp" +s +h3⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:3784
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C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3088 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4384
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
249KB
MD507aac523473ca66487a6e29cb3a8dfd1
SHA1f1c313bbba97d97cbcfc496b170ca112a9f08da1
SHA25613e7709b9c2f4754efb6e8a956cf810297b64bbd29959b8fa3d1adcca3c18590
SHA5125f1a630aaf54faad5db8883622b652ba3b7cd0c84507543dd8858ae00616f764522a927a05c66e8fdf13f7b0b6b6b929a047a4573b21cf0ba2dea51fabc5e1f0