Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
03-01-2025 08:29
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe
Resource
win7-20240903-en
windows7-x64
23 signatures
150 seconds
General
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Target
JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe
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Size
364KB
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MD5
6b611399628e99e32f5c4ed6698253e0
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SHA1
9000900c74a0e82c259ef8af214efb3b476171de
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SHA256
d166a3aa09348eca634998bae4b1b9bde0410870cba8d12fedf2614c198c3e4e
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SHA512
a33cd9dfec5430d2690e2c06294b5e406beaf381372bab38ab1eae292f8e6da6fee339d340f4451506570ae8e01e43712efa0a52777196b8531efb1b7eaaaa22
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SSDEEP
6144:eh+er9dpspK7sBfFdpD6T9pmfEuiBFW067P96zeeNMrQ+UQ3KBPmLK/M7ZG+314W:cbpsDfpI9pmfjiBFvo6zLNCQ+IRmLKEj
Malware Config
Extracted
Family
darkcomet
Botnet
Guest16
C2
192.168.1.58:1604
Mutex
DC_MUTEX-GDGY3D5
Attributes
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InstallPath
MSDCSC\msdcsc.exe
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gencode
8vtRZKCLlXXw
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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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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:\\Windows\\MSDCSC\\msdcsc.exe" cesar.exe -
Modifies firewall policy service 3 TTPs 3 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 -
Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe -
description ioc Process 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" msdcsc.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" msdcsc.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 3496 attrib.exe 468 attrib.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation cesar.exe -
Executes dropped EXE 2 IoCs
pid Process 4992 cesar.exe 3560 msdcsc.exe -
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 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" msdcsc.exe Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe" cesar.exe -
resource yara_rule behavioral2/files/0x000c000000023b94-7.dat upx behavioral2/memory/4992-15-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral2/memory/3560-31-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral2/memory/4992-34-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral2/memory/3560-36-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral2/memory/3560-38-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral2/memory/3560-40-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral2/memory/3560-42-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral2/memory/3560-46-0x0000000000400000-0x00000000004BF000-memory.dmp upx behavioral2/memory/3560-48-0x0000000000400000-0x00000000004BF000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\MSDCSC\msdcsc.exe cesar.exe File opened for modification C:\Windows\MSDCSC\msdcsc.exe cesar.exe File opened for modification C:\Windows\MSDCSC\ cesar.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 9 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 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 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cesar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language notepad.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3560 msdcsc.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4992 cesar.exe Token: SeSecurityPrivilege 4992 cesar.exe Token: SeTakeOwnershipPrivilege 4992 cesar.exe Token: SeLoadDriverPrivilege 4992 cesar.exe Token: SeSystemProfilePrivilege 4992 cesar.exe Token: SeSystemtimePrivilege 4992 cesar.exe Token: SeProfSingleProcessPrivilege 4992 cesar.exe Token: SeIncBasePriorityPrivilege 4992 cesar.exe Token: SeCreatePagefilePrivilege 4992 cesar.exe Token: SeBackupPrivilege 4992 cesar.exe Token: SeRestorePrivilege 4992 cesar.exe Token: SeShutdownPrivilege 4992 cesar.exe Token: SeDebugPrivilege 4992 cesar.exe Token: SeSystemEnvironmentPrivilege 4992 cesar.exe Token: SeChangeNotifyPrivilege 4992 cesar.exe Token: SeRemoteShutdownPrivilege 4992 cesar.exe Token: SeUndockPrivilege 4992 cesar.exe Token: SeManageVolumePrivilege 4992 cesar.exe Token: SeImpersonatePrivilege 4992 cesar.exe Token: SeCreateGlobalPrivilege 4992 cesar.exe Token: 33 4992 cesar.exe Token: 34 4992 cesar.exe Token: 35 4992 cesar.exe Token: 36 4992 cesar.exe Token: SeIncreaseQuotaPrivilege 3560 msdcsc.exe Token: SeSecurityPrivilege 3560 msdcsc.exe Token: SeTakeOwnershipPrivilege 3560 msdcsc.exe Token: SeLoadDriverPrivilege 3560 msdcsc.exe Token: SeSystemProfilePrivilege 3560 msdcsc.exe Token: SeSystemtimePrivilege 3560 msdcsc.exe Token: SeProfSingleProcessPrivilege 3560 msdcsc.exe Token: SeIncBasePriorityPrivilege 3560 msdcsc.exe Token: SeCreatePagefilePrivilege 3560 msdcsc.exe Token: SeBackupPrivilege 3560 msdcsc.exe Token: SeRestorePrivilege 3560 msdcsc.exe Token: SeShutdownPrivilege 3560 msdcsc.exe Token: SeDebugPrivilege 3560 msdcsc.exe Token: SeSystemEnvironmentPrivilege 3560 msdcsc.exe Token: SeChangeNotifyPrivilege 3560 msdcsc.exe Token: SeRemoteShutdownPrivilege 3560 msdcsc.exe Token: SeUndockPrivilege 3560 msdcsc.exe Token: SeManageVolumePrivilege 3560 msdcsc.exe Token: SeImpersonatePrivilege 3560 msdcsc.exe Token: SeCreateGlobalPrivilege 3560 msdcsc.exe Token: 33 3560 msdcsc.exe Token: 34 3560 msdcsc.exe Token: 35 3560 msdcsc.exe Token: 36 3560 msdcsc.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3560 msdcsc.exe -
Suspicious use of WriteProcessMemory 62 IoCs
description pid Process procid_target PID 1704 wrote to memory of 4992 1704 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe 84 PID 1704 wrote to memory of 4992 1704 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe 84 PID 1704 wrote to memory of 4992 1704 JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe 84 PID 4992 wrote to memory of 3024 4992 cesar.exe 85 PID 4992 wrote to memory of 3024 4992 cesar.exe 85 PID 4992 wrote to memory of 3024 4992 cesar.exe 85 PID 4992 wrote to memory of 4540 4992 cesar.exe 87 PID 4992 wrote to memory of 4540 4992 cesar.exe 87 PID 4992 wrote to memory of 4540 4992 cesar.exe 87 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 4936 4992 cesar.exe 88 PID 4992 wrote to memory of 3560 4992 cesar.exe 90 PID 4992 wrote to memory of 3560 4992 cesar.exe 90 PID 4992 wrote to memory of 3560 4992 cesar.exe 90 PID 3024 wrote to memory of 3496 3024 cmd.exe 91 PID 3024 wrote to memory of 3496 3024 cmd.exe 91 PID 3024 wrote to memory of 3496 3024 cmd.exe 91 PID 3560 wrote to memory of 4024 3560 msdcsc.exe 92 PID 3560 wrote to memory of 4024 3560 msdcsc.exe 92 PID 3560 wrote to memory of 4024 3560 msdcsc.exe 92 PID 4540 wrote to memory of 468 4540 cmd.exe 94 PID 4540 wrote to memory of 468 4540 cmd.exe 94 PID 4540 wrote to memory of 468 4540 cmd.exe 94 PID 3560 wrote to memory of 3444 3560 msdcsc.exe 93 PID 3560 wrote to memory of 3444 3560 msdcsc.exe 93 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 PID 3560 wrote to memory of 1200 3560 msdcsc.exe 95 -
System policy modification 1 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1" msdcsc.exe 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 -
Views/modifies file attributes 1 TTPs 2 IoCs
pid Process 3496 attrib.exe 468 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b611399628e99e32f5c4ed6698253e0.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Users\Admin\AppData\Local\Temp\cesar.exe"C:\Users\Admin\AppData\Local\Temp\cesar.exe"2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\cesar.exe" +s +h3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\attrib.exeattrib "C:\Users\Admin\AppData\Local\Temp\cesar.exe" +s +h4⤵
- Sets file to hidden
- System Location Discovery: System Language Discovery
- Views/modifies file attributes
PID:3496
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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:4540 -
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:468
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C:\Windows\SysWOW64\notepad.exenotepad3⤵
- System Location Discovery: System Language Discovery
PID:4936
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C:\Windows\MSDCSC\msdcsc.exe"C:\Windows\MSDCSC\msdcsc.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3560 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵PID:4024
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"4⤵PID:3444
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C:\Windows\SysWOW64\notepad.exenotepad4⤵
- System Location Discovery: System Language Discovery
PID:1200
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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
267KB
MD567cb2933dc901a63d0dd25cd0ee8bb48
SHA1970e76c8e48ccc53398cb50f270f35450a02ab0f
SHA256bece25fca3d84d4f8b8bce74c110b8f178be40a8430c36136ad7f92d84ac5732
SHA512e53d211690fc46ca2299550769d3e97b682d80b29a282ce88cf9a42725dfc86f92c502aa04435f6199fde189f2fbc446c0fc94b2d4f963b368d5eb8ada95874c