Analysis
- max time kernel
150s - 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
01/01/2025, 23:23
Behavioral task
behavioral1
Sample
JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe
Resource
win7-20240903-en
windows7-x64
12 signatures
150 seconds
General
- Target JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe
- Size 349KB
- Sample250101-3dc5kazqcs
- SHA256 423fc644a8ba25e3aa1d762aa7d8674a9cd48c395a748bfab6bf2313b53c0fbb
- MD5 614542b000a8b8b16a4efbe1cc858740
- SHA1 20a24f0950628023df472120fcc12c1f3fe603ca
- SHA512 8e818ca26381769342da858eade9f23263327931475895509665d35bccd579e3e14ba373a1696410adce4264fb99c5e1b350ccdf17f8e92872d7b4540057cef2
- SSDEEP 6144:EcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37EBLLjMdWnpQZh9h4:EcW7KEZlPzCy37ElMd0QZh9u
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
darkcomet
Botnet
-
Guest16
C2
-
24.132.152.63:1605
Mutex
-
DC_MUTEX-8C4KB26
Attributes
-
InstallPath
MSDCSC\msdcsc.exe
-
gencode
cQhexEAS5vGC
-
install
true
-
offline_keylogger
true
-
persistence
true
-
reg_key
MicroUpdate
Signatures
- Darkcomet family
- 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_614542b000a8b8b16a4efbe1cc858740.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe - Executes dropped EXE 1 IoCs
pid Process 2020 msdcsc.exe - Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" msdcsc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe" JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2020 set thread context of 2660 2020 msdcsc.exe 84 -
resource yara_rule behavioral2/memory/1648-0-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/files/0x0007000000023ca2-6.dat upx behavioral2/memory/2660-63-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/2020-65-0x0000000000400000-0x00000000004E8000-memory.dmp upx behavioral2/memory/1648-66-0x0000000000400000-0x00000000004E8000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msdcsc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeSecurityPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeTakeOwnershipPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeLoadDriverPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeSystemProfilePrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeSystemtimePrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeProfSingleProcessPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeIncBasePriorityPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeCreatePagefilePrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeBackupPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeRestorePrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeShutdownPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeDebugPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeSystemEnvironmentPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeChangeNotifyPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeRemoteShutdownPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeUndockPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeManageVolumePrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeImpersonatePrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeCreateGlobalPrivilege 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: 33 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: 34 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: 35 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: 36 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe Token: SeIncreaseQuotaPrivilege 2020 msdcsc.exe Token: SeSecurityPrivilege 2020 msdcsc.exe Token: SeTakeOwnershipPrivilege 2020 msdcsc.exe Token: SeLoadDriverPrivilege 2020 msdcsc.exe Token: SeSystemProfilePrivilege 2020 msdcsc.exe Token: SeSystemtimePrivilege 2020 msdcsc.exe Token: SeProfSingleProcessPrivilege 2020 msdcsc.exe Token: SeIncBasePriorityPrivilege 2020 msdcsc.exe Token: SeCreatePagefilePrivilege 2020 msdcsc.exe Token: SeBackupPrivilege 2020 msdcsc.exe Token: SeRestorePrivilege 2020 msdcsc.exe Token: SeShutdownPrivilege 2020 msdcsc.exe Token: SeDebugPrivilege 2020 msdcsc.exe Token: SeSystemEnvironmentPrivilege 2020 msdcsc.exe Token: SeChangeNotifyPrivilege 2020 msdcsc.exe Token: SeRemoteShutdownPrivilege 2020 msdcsc.exe Token: SeUndockPrivilege 2020 msdcsc.exe Token: SeManageVolumePrivilege 2020 msdcsc.exe Token: SeImpersonatePrivilege 2020 msdcsc.exe Token: SeCreateGlobalPrivilege 2020 msdcsc.exe Token: 33 2020 msdcsc.exe Token: 34 2020 msdcsc.exe Token: 35 2020 msdcsc.exe Token: 36 2020 msdcsc.exe Token: SeIncreaseQuotaPrivilege 2660 iexplore.exe Token: SeSecurityPrivilege 2660 iexplore.exe Token: SeTakeOwnershipPrivilege 2660 iexplore.exe Token: SeLoadDriverPrivilege 2660 iexplore.exe Token: SeSystemProfilePrivilege 2660 iexplore.exe Token: SeSystemtimePrivilege 2660 iexplore.exe Token: SeProfSingleProcessPrivilege 2660 iexplore.exe Token: SeIncBasePriorityPrivilege 2660 iexplore.exe Token: SeCreatePagefilePrivilege 2660 iexplore.exe Token: SeBackupPrivilege 2660 iexplore.exe Token: SeRestorePrivilege 2660 iexplore.exe Token: SeShutdownPrivilege 2660 iexplore.exe Token: SeDebugPrivilege 2660 iexplore.exe Token: SeSystemEnvironmentPrivilege 2660 iexplore.exe Token: SeChangeNotifyPrivilege 2660 iexplore.exe Token: SeRemoteShutdownPrivilege 2660 iexplore.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2660 iexplore.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1648 wrote to memory of 2020 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe 83 PID 1648 wrote to memory of 2020 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe 83 PID 1648 wrote to memory of 2020 1648 JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe 83 PID 2020 wrote to memory of 2660 2020 msdcsc.exe 84 PID 2020 wrote to memory of 2660 2020 msdcsc.exe 84 PID 2020 wrote to memory of 2660 2020 msdcsc.exe 84 PID 2020 wrote to memory of 2660 2020 msdcsc.exe 84 PID 2020 wrote to memory of 2660 2020 msdcsc.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_614542b000a8b8b16a4efbe1cc858740.exe"1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2660
-
-
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
1Replay Monitor
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Downloads
- Path C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
- Size 349KB
- SHA256 423fc644a8ba25e3aa1d762aa7d8674a9cd48c395a748bfab6bf2313b53c0fbb
- MD5 614542b000a8b8b16a4efbe1cc858740
- SHA1 20a24f0950628023df472120fcc12c1f3fe603ca
- SHA512 8e818ca26381769342da858eade9f23263327931475895509665d35bccd579e3e14ba373a1696410adce4264fb99c5e1b350ccdf17f8e92872d7b4540057cef2
- SSDEEP 6144:EcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37EBLLjMdWnpQZh9h4:EcW7KEZlPzCy37ElMd0QZh9u
- MD5 SHA1 SHA512 SSDEEP