darkcomet | f11654eab679b3d77ec8f6ff5f0d32cf06d7b8874f8e92f01da53000f1148745

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/10/2024, 21:46

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General

Target

25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Size

304KB
MD5

25e93a1b507fb59fb54e34110c09d3b2
SHA1

9467c2acff207f500b6c8c87ae418af90efb447b
SHA256

f11654eab679b3d77ec8f6ff5f0d32cf06d7b8874f8e92f01da53000f1148745
SHA512

163ed86c28d496447e04e2713d5ce32486696cde923e65ec341a9bba2f1cc363b60e499ae6b57cc77476c1a1f21d31ab28eb58bdf1d35523eb9b49240b309960
SSDEEP

6144:c4UodkM6M0rJbP6QxdPi89vlNTimmv0eQLMCX1izZ9nKNlUIXXp7zpaAy:rGfh685i8HtSvXsMgizZYkA7laAy

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

mkidech.zapto.org:1604

Mutex

DC_MUTEX-NB20Q2J

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
STjsNl3PnbGg
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

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\\Desktop\\MSDCSC\\msdcsc.exe"	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3516	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeSecurityPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeBackupPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeRestorePrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeShutdownPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeDebugPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeUndockPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: 33	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: 34	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: 35	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: 36	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3516	msdcsc.exe
Token: SeSecurityPrivilege	3516	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3516	msdcsc.exe
Token: SeLoadDriverPrivilege	3516	msdcsc.exe
Token: SeSystemProfilePrivilege	3516	msdcsc.exe
Token: SeSystemtimePrivilege	3516	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3516	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3516	msdcsc.exe
Token: SeCreatePagefilePrivilege	3516	msdcsc.exe
Token: SeBackupPrivilege	3516	msdcsc.exe
Token: SeRestorePrivilege	3516	msdcsc.exe
Token: SeShutdownPrivilege	3516	msdcsc.exe
Token: SeDebugPrivilege	3516	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3516	msdcsc.exe
Token: SeChangeNotifyPrivilege	3516	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3516	msdcsc.exe
Token: SeUndockPrivilege	3516	msdcsc.exe
Token: SeManageVolumePrivilege	3516	msdcsc.exe
Token: SeImpersonatePrivilege	3516	msdcsc.exe
Token: SeCreateGlobalPrivilege	3516	msdcsc.exe
Token: 33	3516	msdcsc.exe
Token: 34	3516	msdcsc.exe
Token: 35	3516	msdcsc.exe
Token: 36	3516	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3516	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 3516	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe	84
PID 3936 wrote to memory of 3516	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe	84
PID 3936 wrote to memory of 3516	3936	25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\25e93a1b507fb59fb54e34110c09d3b2_JaffaCakes118.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:3936
- C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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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Downloads

C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe

Filesize
304KB

MD5
25e93a1b507fb59fb54e34110c09d3b2

SHA1
9467c2acff207f500b6c8c87ae418af90efb447b

SHA256
f11654eab679b3d77ec8f6ff5f0d32cf06d7b8874f8e92f01da53000f1148745

SHA512
163ed86c28d496447e04e2713d5ce32486696cde923e65ec341a9bba2f1cc363b60e499ae6b57cc77476c1a1f21d31ab28eb58bdf1d35523eb9b49240b309960

Download Submit
memory/3516-19-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3516-26-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3516-32-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3516-30-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3516-21-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3516-18-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3516-28-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3516-24-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3516-20-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3516-22-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3936-16-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3936-0-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3936-2-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/3936-1-0x00000000004B5000-0x00000000004B7000-memory.dmp

Filesize
8KB

Download
memory/3936-3-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads