darkcomet | e12547966c677a3070fe4ae72fc07bf1edd885343cc3befc0aca96e57ffb48d0

Analysis

max time kernel
149s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/09/2026, 16:44

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General

Target
jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Size 660KB
Sample260915-t84fkagc55
SHA256 e12547966c677a3070fe4ae72fc07bf1edd885343cc3befc0aca96e57ffb48d0
MD5 e6d77d7338ec0cfdd043bfadb87a330f
SHA1 24f43264b7372daeebcaf00271bf2bd217ea3350
SHA512 0f68319fcb396cfffac2e4e51f6034884ff783dd44561649f75380f41a15023c66e9aca5d138eb33f5c8b7d434dbd4d49706769616c0850933b2559c7e2ef09f
SSDEEP 12288:4XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uw:+nAw2WWeFcfbP9VPSPMTSPL/rWvzq4JA
TLSH
T155E47E31F6809837D93319788C5F92E59829BE212E247D4B3BE51F4C9F396C239262D7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

guest16 defense_evasion discovery execution darkcomet persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:81

Mutex

DC_MUTEX-F54S21D

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
ej2v5Uu8Qg7p
install
true
offline_keylogger
false
persistence
true
reg_key
MicroUpdate

rc4.plain

Signatures

Family: Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

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_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4604	attrib.exe
1088	attrib.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\Control Panel\International\Geo\Nation	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4032	msdcsc.exe
2644	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4032 set thread context of 3084	4032	msdcsc.exe	93

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
748	cmd.exe
4496	cmd.exe

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeSecurityPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeBackupPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeRestorePrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeShutdownPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeDebugPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeUndockPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: 33	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: 34	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: 35	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: 36	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4032	msdcsc.exe
Token: SeSecurityPrivilege	4032	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4032	msdcsc.exe
Token: SeLoadDriverPrivilege	4032	msdcsc.exe
Token: SeSystemProfilePrivilege	4032	msdcsc.exe
Token: SeSystemtimePrivilege	4032	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4032	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4032	msdcsc.exe
Token: SeCreatePagefilePrivilege	4032	msdcsc.exe
Token: SeBackupPrivilege	4032	msdcsc.exe
Token: SeRestorePrivilege	4032	msdcsc.exe
Token: SeShutdownPrivilege	4032	msdcsc.exe
Token: SeDebugPrivilege	4032	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4032	msdcsc.exe
Token: SeChangeNotifyPrivilege	4032	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4032	msdcsc.exe
Token: SeUndockPrivilege	4032	msdcsc.exe
Token: SeManageVolumePrivilege	4032	msdcsc.exe
Token: SeImpersonatePrivilege	4032	msdcsc.exe
Token: SeCreateGlobalPrivilege	4032	msdcsc.exe
Token: 33	4032	msdcsc.exe
Token: 34	4032	msdcsc.exe
Token: 35	4032	msdcsc.exe
Token: 36	4032	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2644	msdcsc.exe
Token: SeSecurityPrivilege	2644	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2644	msdcsc.exe
Token: SeLoadDriverPrivilege	2644	msdcsc.exe
Token: SeSystemProfilePrivilege	2644	msdcsc.exe
Token: SeSystemtimePrivilege	2644	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2644	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2644	msdcsc.exe
Token: SeCreatePagefilePrivilege	2644	msdcsc.exe
Token: SeBackupPrivilege	2644	msdcsc.exe
Token: SeRestorePrivilege	2644	msdcsc.exe
Token: SeShutdownPrivilege	2644	msdcsc.exe
Token: SeDebugPrivilege	2644	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2644	msdcsc.exe
Token: SeChangeNotifyPrivilege	2644	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2644	msdcsc.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 4496	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe	84
PID 4564 wrote to memory of 748	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe	86
PID 4496 wrote to memory of 4604	4496	cmd.exe	88
PID 748 wrote to memory of 1088	748	cmd.exe	89
PID 4564 wrote to memory of 2644	4564	jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe	92
PID 4032 wrote to memory of 3084	4032	msdcsc.exe	93
PID 4032 wrote to memory of 3084	4032	msdcsc.exe	93

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4604	attrib.exe
1088	attrib.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.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:4564
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe" +s +h
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4496
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_e6d77d7338ec0cfdd043bfadb87a330f_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:4604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:748
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1088
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2644

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
1⤵
- 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:4032
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3084

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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msdcsc.exe

Path C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Size 660KB
SHA256 e12547966c677a3070fe4ae72fc07bf1edd885343cc3befc0aca96e57ffb48d0
MD5 e6d77d7338ec0cfdd043bfadb87a330f
SHA1 24f43264b7372daeebcaf00271bf2bd217ea3350
SHA512 0f68319fcb396cfffac2e4e51f6034884ff783dd44561649f75380f41a15023c66e9aca5d138eb33f5c8b7d434dbd4d49706769616c0850933b2559c7e2ef09f
SSDEEP 12288:4XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uw:+nAw2WWeFcfbP9VPSPMTSPL/rWvzq4JA
TLSH
T155E47E31F6809837D93319788C5F92E59829BE212E247D4B3BE51F4C9F396C239262D7
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2644-61-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/3084-58-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4032-57-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4032-60-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4564-0-0x0000000002260000-0x0000000002261000-memory.dmp

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memory/4564-1-0x00000000004A0000-0x00000000004A2000-memory.dmp

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memory/4564-56-0x0000000000400000-0x00000000004B5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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