darkcomet | e1d6755c9349ae52f82cc0118752649fa01f0e2d3ede0062b282e0311dc58017

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2025, 15:05

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General

Target

JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Size

721KB
MD5

40cc7f1ac53d3b835227a0676c36cc87
SHA1

eb257ed1fc860f63df76ac5d43fc62b93dd09cbe
SHA256

e1d6755c9349ae52f82cc0118752649fa01f0e2d3ede0062b282e0311dc58017
SHA512

46ee9b163f31904f809807eb8664fffa079f2a5b470cdd9c8c7ce5ac3a4e972d209a1f2bab10a489920448258917bd14d5218bd0a470dceb629dc1dd1e2a34f3
SSDEEP

12288:kjh8ZBPJaG77Wiq0oGUk6ss5XPn5jfJIAc93nJC0PmPD6sZYPaads2PfhNN8PPM7:BPUG2LHG8VZJbeg0+r6gYiOPPf983

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

sepeti.zapto.org:2323

Mutex

DC_MUTEX-GWNWMRG

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
xThbpvEWW0Ry
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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_40cc7f1ac53d3b835227a0676c36cc87.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe

Executes dropped EXE 2 IoCs

pid	Process
4684	msdcsc.exe
2192	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 408 set thread context of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 4684 set thread context of 2192	4684	msdcsc.exe	85

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 4 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_40cc7f1ac53d3b835227a0676c36cc87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeSecurityPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeTakeOwnershipPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeLoadDriverPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeSystemProfilePrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeSystemtimePrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeProfSingleProcessPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeIncBasePriorityPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeCreatePagefilePrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeBackupPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeRestorePrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeShutdownPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeDebugPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeSystemEnvironmentPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeChangeNotifyPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeRemoteShutdownPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeUndockPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeManageVolumePrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeImpersonatePrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeCreateGlobalPrivilege	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: 33	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: 34	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: 35	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: 36	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
Token: SeIncreaseQuotaPrivilege	2192	msdcsc.exe
Token: SeSecurityPrivilege	2192	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2192	msdcsc.exe
Token: SeLoadDriverPrivilege	2192	msdcsc.exe
Token: SeSystemProfilePrivilege	2192	msdcsc.exe
Token: SeSystemtimePrivilege	2192	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2192	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2192	msdcsc.exe
Token: SeCreatePagefilePrivilege	2192	msdcsc.exe
Token: SeBackupPrivilege	2192	msdcsc.exe
Token: SeRestorePrivilege	2192	msdcsc.exe
Token: SeShutdownPrivilege	2192	msdcsc.exe
Token: SeDebugPrivilege	2192	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2192	msdcsc.exe
Token: SeChangeNotifyPrivilege	2192	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2192	msdcsc.exe
Token: SeUndockPrivilege	2192	msdcsc.exe
Token: SeManageVolumePrivilege	2192	msdcsc.exe
Token: SeImpersonatePrivilege	2192	msdcsc.exe
Token: SeCreateGlobalPrivilege	2192	msdcsc.exe
Token: 33	2192	msdcsc.exe
Token: 34	2192	msdcsc.exe
Token: 35	2192	msdcsc.exe
Token: 36	2192	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2192	msdcsc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 408 wrote to memory of 540	408	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	83
PID 540 wrote to memory of 4684	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	84
PID 540 wrote to memory of 4684	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	84
PID 540 wrote to memory of 4684	540	JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe	84
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85
PID 4684 wrote to memory of 2192	4684	msdcsc.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:408
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40cc7f1ac53d3b835227a0676c36cc87.exe
  2⤵
  - 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:540
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4684
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2192

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\Documents\MSDCSC\msdcsc.exe

Filesize
721KB

MD5
40cc7f1ac53d3b835227a0676c36cc87

SHA1
eb257ed1fc860f63df76ac5d43fc62b93dd09cbe

SHA256
e1d6755c9349ae52f82cc0118752649fa01f0e2d3ede0062b282e0311dc58017

SHA512
46ee9b163f31904f809807eb8664fffa079f2a5b470cdd9c8c7ce5ac3a4e972d209a1f2bab10a489920448258917bd14d5218bd0a470dceb629dc1dd1e2a34f3

Download Submit
memory/408-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/408-3-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-2-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/540-1-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/540-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/540-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/540-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/540-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-36-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-27-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-28-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-30-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-31-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-34-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-46-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-38-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-39-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-40-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-41-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-42-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-43-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-44-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2192-45-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4684-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads