darkcomet | a950ba583d40737b5e52aa9adda09d5b38d1a2a316a44fc0fc36c12f5e46693b

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 23:47

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General

Target

JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Size

739KB
MD5

615d633b0e7337ef925cd3d5b2de15a1
SHA1

55dc10ff372c006b8fd7aabbfa6e2d66ba0ca7a1
SHA256

a950ba583d40737b5e52aa9adda09d5b38d1a2a316a44fc0fc36c12f5e46693b
SHA512

49e6bdfc51d6ac0fb62f2b54f0c647c1e127e26e58e393e59056a33306071a4f43a5aaa0ed66fe54f5b0116bbc1a8cfaa925785b1f46677a276a977a7eda1b72
SSDEEP

12288:C9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hF9Vel4Y:uZ1xuVVjfFoynPaVBUR8f+kN10EBXyld

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

lemonxrat.no-ip.org:4782

Mutex

DC_MUTEX-FWDE5J0

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
A8VBRQNxecXD
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe

Executes dropped EXE 4 IoCs

pid	Process
2452	MW2 PWNER.EXE
2744	msdcsc.exe
1976	MW2 PWNER.EXE
2252	MW2 PWNER.EXE

Loads dropped DLL 5 IoCs

pid	Process
1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
2744	msdcsc.exe
1848	iexplore.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 1848	2744	msdcsc.exe	34

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 3 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_615d633b0e7337ef925cd3d5b2de15a1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeSecurityPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeTakeOwnershipPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeLoadDriverPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeSystemProfilePrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeSystemtimePrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeProfSingleProcessPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeIncBasePriorityPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeCreatePagefilePrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeBackupPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeRestorePrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeShutdownPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeDebugPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeSystemEnvironmentPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeChangeNotifyPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeRemoteShutdownPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeUndockPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeManageVolumePrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeImpersonatePrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeCreateGlobalPrivilege	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: 33	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: 34	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: 35	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
Token: SeIncreaseQuotaPrivilege	2744	msdcsc.exe
Token: SeSecurityPrivilege	2744	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2744	msdcsc.exe
Token: SeLoadDriverPrivilege	2744	msdcsc.exe
Token: SeSystemProfilePrivilege	2744	msdcsc.exe
Token: SeSystemtimePrivilege	2744	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2744	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2744	msdcsc.exe
Token: SeCreatePagefilePrivilege	2744	msdcsc.exe
Token: SeBackupPrivilege	2744	msdcsc.exe
Token: SeRestorePrivilege	2744	msdcsc.exe
Token: SeShutdownPrivilege	2744	msdcsc.exe
Token: SeDebugPrivilege	2744	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2744	msdcsc.exe
Token: SeChangeNotifyPrivilege	2744	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2744	msdcsc.exe
Token: SeUndockPrivilege	2744	msdcsc.exe
Token: SeManageVolumePrivilege	2744	msdcsc.exe
Token: SeImpersonatePrivilege	2744	msdcsc.exe
Token: SeCreateGlobalPrivilege	2744	msdcsc.exe
Token: 33	2744	msdcsc.exe
Token: 34	2744	msdcsc.exe
Token: 35	2744	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	1848	iexplore.exe
Token: SeSecurityPrivilege	1848	iexplore.exe
Token: SeTakeOwnershipPrivilege	1848	iexplore.exe
Token: SeLoadDriverPrivilege	1848	iexplore.exe
Token: SeSystemProfilePrivilege	1848	iexplore.exe
Token: SeSystemtimePrivilege	1848	iexplore.exe
Token: SeProfSingleProcessPrivilege	1848	iexplore.exe
Token: SeIncBasePriorityPrivilege	1848	iexplore.exe
Token: SeCreatePagefilePrivilege	1848	iexplore.exe
Token: SeBackupPrivilege	1848	iexplore.exe
Token: SeRestorePrivilege	1848	iexplore.exe
Token: SeShutdownPrivilege	1848	iexplore.exe
Token: SeDebugPrivilege	1848	iexplore.exe
Token: SeSystemEnvironmentPrivilege	1848	iexplore.exe
Token: SeChangeNotifyPrivilege	1848	iexplore.exe
Token: SeRemoteShutdownPrivilege	1848	iexplore.exe
Token: SeUndockPrivilege	1848	iexplore.exe
Token: SeManageVolumePrivilege	1848	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1848	iexplore.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2452	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe	31
PID 1624 wrote to memory of 2452	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe	31
PID 1624 wrote to memory of 2452	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe	31
PID 1624 wrote to memory of 2452	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe	31
PID 1624 wrote to memory of 2744	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe	32
PID 1624 wrote to memory of 2744	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe	32
PID 1624 wrote to memory of 2744	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe	32
PID 1624 wrote to memory of 2744	1624	JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe	32
PID 2744 wrote to memory of 1976	2744	msdcsc.exe	33
PID 2744 wrote to memory of 1976	2744	msdcsc.exe	33
PID 2744 wrote to memory of 1976	2744	msdcsc.exe	33
PID 2744 wrote to memory of 1976	2744	msdcsc.exe	33
PID 2744 wrote to memory of 1848	2744	msdcsc.exe	34
PID 2744 wrote to memory of 1848	2744	msdcsc.exe	34
PID 2744 wrote to memory of 1848	2744	msdcsc.exe	34
PID 2744 wrote to memory of 1848	2744	msdcsc.exe	34
PID 2744 wrote to memory of 1848	2744	msdcsc.exe	34
PID 2744 wrote to memory of 1848	2744	msdcsc.exe	34
PID 1848 wrote to memory of 2252	1848	iexplore.exe	35
PID 1848 wrote to memory of 2252	1848	iexplore.exe	35
PID 1848 wrote to memory of 2252	1848	iexplore.exe	35
PID 1848 wrote to memory of 2252	1848	iexplore.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_615d633b0e7337ef925cd3d5b2de15a1.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\MW2 PWNER.EXE
  "C:\Users\Admin\AppData\Local\Temp\MW2 PWNER.EXE"
  2⤵
  - Executes dropped EXE
  PID:2452
- C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Users\Admin\AppData\Local\Temp\MW2 PWNER.EXE
    "C:\Users\Admin\AppData\Local\Temp\MW2 PWNER.EXE"
    3⤵
    - Executes dropped EXE
    PID:1976
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1848
  - - C:\Users\Admin\AppData\Local\Temp\MW2 PWNER.EXE
      "C:\Users\Admin\AppData\Local\Temp\MW2 PWNER.EXE"
      4⤵
      Executes dropped EXE
      PID:2252

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

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

\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe

Filesize
739KB

MD5
615d633b0e7337ef925cd3d5b2de15a1

SHA1
55dc10ff372c006b8fd7aabbfa6e2d66ba0ca7a1

SHA256
a950ba583d40737b5e52aa9adda09d5b38d1a2a316a44fc0fc36c12f5e46693b

SHA512
49e6bdfc51d6ac0fb62f2b54f0c647c1e127e26e58e393e59056a33306071a4f43a5aaa0ed66fe54f5b0116bbc1a8cfaa925785b1f46677a276a977a7eda1b72

Download Submit
\Users\Admin\AppData\Local\Temp\MW2 PWNER.EXE

Filesize
78KB

MD5
b1268f4dce4bfd64278b2c5166ef37da

SHA1
0fbc72144b9895db406ae2b1abc21e6471d96a54

SHA256
23077a8e0a8cc8bde06f079438f265886fd12fed8f65628b0009fe2812ec149b

SHA512
30fb7fe014c6a1c7bedfd01e964a86c01d9c8e419f120051f658febdf5b091aba0f5da407b3dd6ca348f13e21b8ef7734ca80df001657565f0db2bee2f37fd92

Download Submit
memory/1624-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1624-29-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/1848-25-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/2452-13-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2452-12-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2452-11-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2452-10-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2452-9-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

Filesize
4KB

Download
memory/2452-30-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2452-31-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

Filesize
4KB

Download
memory/2744-26-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads