darkcomet | 4f9d477fefef5d8e8915650f97b696760659e2934f9653b955231fae81be7bbb

Analysis

max time kernel
140s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 20:01

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General

Target

JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Size

658KB
MD5

96c58abcedcb7648aa4db3c736d69fe7
SHA1

39ebcc3bc26ad3c0f6dae3bad07d4b67bd7ca0dc
SHA256

4f9d477fefef5d8e8915650f97b696760659e2934f9653b955231fae81be7bbb
SHA512

07b1990e7bdb795487dfd56a9d5292d90bedee054ebbdbb64a093e91740ca0b8b7e81589bf3972db4343573786ec8a2df6c6aad1962ac6c8dd66a50841c49461
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLd9Ek5C/hP:+Z1xuVVjfFoynPaVBUR8f+kN1PEBh

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

Mutex

DC_MUTEX-YXXHLUR

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
0d9w9uDzvpEN
install
true
offline_keylogger
false
persistence
false
reg_key
MicroUpdate

rc4.plain

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_96c58abcedcb7648aa4db3c736d69fe7.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-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe

Executes dropped EXE 2 IoCs

pid	Process
3488	msdcsc.exe
3772	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-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.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 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_96c58abcedcb7648aa4db3c736d69fe7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeSecurityPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeTakeOwnershipPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeLoadDriverPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeSystemProfilePrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeSystemtimePrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeProfSingleProcessPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeIncBasePriorityPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeCreatePagefilePrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeBackupPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeRestorePrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeShutdownPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeDebugPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeSystemEnvironmentPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeChangeNotifyPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeRemoteShutdownPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeUndockPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeManageVolumePrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeImpersonatePrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeCreateGlobalPrivilege	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: 33	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: 34	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: 35	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: 36	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
Token: SeIncreaseQuotaPrivilege	3488	msdcsc.exe
Token: SeSecurityPrivilege	3488	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3488	msdcsc.exe
Token: SeLoadDriverPrivilege	3488	msdcsc.exe
Token: SeSystemProfilePrivilege	3488	msdcsc.exe
Token: SeSystemtimePrivilege	3488	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3488	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3488	msdcsc.exe
Token: SeCreatePagefilePrivilege	3488	msdcsc.exe
Token: SeBackupPrivilege	3488	msdcsc.exe
Token: SeRestorePrivilege	3488	msdcsc.exe
Token: SeShutdownPrivilege	3488	msdcsc.exe
Token: SeDebugPrivilege	3488	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3488	msdcsc.exe
Token: SeChangeNotifyPrivilege	3488	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3488	msdcsc.exe
Token: SeUndockPrivilege	3488	msdcsc.exe
Token: SeManageVolumePrivilege	3488	msdcsc.exe
Token: SeImpersonatePrivilege	3488	msdcsc.exe
Token: SeCreateGlobalPrivilege	3488	msdcsc.exe
Token: 33	3488	msdcsc.exe
Token: 34	3488	msdcsc.exe
Token: 35	3488	msdcsc.exe
Token: 36	3488	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	3772	msdcsc.exe
Token: SeSecurityPrivilege	3772	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3772	msdcsc.exe
Token: SeLoadDriverPrivilege	3772	msdcsc.exe
Token: SeSystemProfilePrivilege	3772	msdcsc.exe
Token: SeSystemtimePrivilege	3772	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3772	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3772	msdcsc.exe
Token: SeCreatePagefilePrivilege	3772	msdcsc.exe
Token: SeBackupPrivilege	3772	msdcsc.exe
Token: SeRestorePrivilege	3772	msdcsc.exe
Token: SeShutdownPrivilege	3772	msdcsc.exe
Token: SeDebugPrivilege	3772	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3772	msdcsc.exe
Token: SeChangeNotifyPrivilege	3772	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3772	msdcsc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 3488	3960	cmd.exe	88
PID 3960 wrote to memory of 3488	3960	cmd.exe	88
PID 3960 wrote to memory of 3488	3960	cmd.exe	88
PID 4220 wrote to memory of 3772	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe	89
PID 4220 wrote to memory of 3772	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe	89
PID 4220 wrote to memory of 3772	4220	JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe	89
PID 3488 wrote to memory of 4116	3488	msdcsc.exe	90
PID 3488 wrote to memory of 4116	3488	msdcsc.exe	90
PID 3488 wrote to memory of 4116	3488	msdcsc.exe	90
PID 3488 wrote to memory of 1940	3488	msdcsc.exe	91
PID 3488 wrote to memory of 1940	3488	msdcsc.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_96c58abcedcb7648aa4db3c736d69fe7.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:4220
- 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:3772

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:3960
- 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
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:4116
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:1940

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
658KB

MD5
96c58abcedcb7648aa4db3c736d69fe7

SHA1
39ebcc3bc26ad3c0f6dae3bad07d4b67bd7ca0dc

SHA256
4f9d477fefef5d8e8915650f97b696760659e2934f9653b955231fae81be7bbb

SHA512
07b1990e7bdb795487dfd56a9d5292d90bedee054ebbdbb64a093e91740ca0b8b7e81589bf3972db4343573786ec8a2df6c6aad1962ac6c8dd66a50841c49461

Download Submit
memory/3488-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/3488-12-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/3488-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3772-9-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/3772-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4220-0-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/4220-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads