darkcomet | 47a3ec2cecd981a9a84ff7c56db43dba5ebc53884c37376967a08b3289a02fe9

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
03/03/2025, 00:10

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General

Target

JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Size

1.1MB
MD5

43715383634b32204a06fef9c6f4274c
SHA1

e2f9c70e642edb8cd7603e5b7c9c598337de91ad
SHA256

47a3ec2cecd981a9a84ff7c56db43dba5ebc53884c37376967a08b3289a02fe9
SHA512

275ee8319c656b05c227a5eded48db2feb705cf50c59f4a83d31e85adeb955d78061ba66857e1a15452c7c8b9d1b15db1a52c9246e29e933f5070ffcdfef85d7
SSDEEP

24576:MZ1xuVVjfFoynPaVBUR8f+kN1PEB5K8e1YKqjg/IjxAyXA4O4S:8QDgok3PHVqjg/IFAKNOh

Score

10^/10

darkcomet guest1 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest1

127.0.0.1:1604

Mutex

DC_MUTEX-X0KMCPY

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
2lYENnaF0f4a
install
true
offline_keylogger
true
persistence
true
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_43715383634b32204a06fef9c6f4274c.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-1-5-21-250031470-1197856012-2659781506-1000\Control Panel\International\Geo\Nation	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe

Executes dropped EXE 1 IoCs

pid	Process
3732	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-1-5-21-250031470-1197856012-2659781506-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-250031470-1197856012-2659781506-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeSecurityPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeTakeOwnershipPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeLoadDriverPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeSystemProfilePrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeSystemtimePrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeProfSingleProcessPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeIncBasePriorityPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeCreatePagefilePrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeBackupPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeRestorePrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeShutdownPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeDebugPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeSystemEnvironmentPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeChangeNotifyPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeRemoteShutdownPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeUndockPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeManageVolumePrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeImpersonatePrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeCreateGlobalPrivilege	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: 33	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: 34	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: 35	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: 36	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
Token: SeIncreaseQuotaPrivilege	3732	msdcsc.exe
Token: SeSecurityPrivilege	3732	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3732	msdcsc.exe
Token: SeLoadDriverPrivilege	3732	msdcsc.exe
Token: SeSystemProfilePrivilege	3732	msdcsc.exe
Token: SeSystemtimePrivilege	3732	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3732	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3732	msdcsc.exe
Token: SeCreatePagefilePrivilege	3732	msdcsc.exe
Token: SeBackupPrivilege	3732	msdcsc.exe
Token: SeRestorePrivilege	3732	msdcsc.exe
Token: SeShutdownPrivilege	3732	msdcsc.exe
Token: SeDebugPrivilege	3732	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3732	msdcsc.exe
Token: SeChangeNotifyPrivilege	3732	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3732	msdcsc.exe
Token: SeUndockPrivilege	3732	msdcsc.exe
Token: SeManageVolumePrivilege	3732	msdcsc.exe
Token: SeImpersonatePrivilege	3732	msdcsc.exe
Token: SeCreateGlobalPrivilege	3732	msdcsc.exe
Token: 33	3732	msdcsc.exe
Token: 34	3732	msdcsc.exe
Token: 35	3732	msdcsc.exe
Token: 36	3732	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3732	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 3732	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe	88
PID 2832 wrote to memory of 3732	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe	88
PID 2832 wrote to memory of 3732	2832	JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43715383634b32204a06fef9c6f4274c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43715383634b32204a06fef9c6f4274c.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:2832
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\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:3732

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
1.1MB

MD5
43715383634b32204a06fef9c6f4274c

SHA1
e2f9c70e642edb8cd7603e5b7c9c598337de91ad

SHA256
47a3ec2cecd981a9a84ff7c56db43dba5ebc53884c37376967a08b3289a02fe9

SHA512
275ee8319c656b05c227a5eded48db2feb705cf50c59f4a83d31e85adeb955d78061ba66857e1a15452c7c8b9d1b15db1a52c9246e29e933f5070ffcdfef85d7

Download Submit
memory/2832-0-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/2832-64-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3732-63-0x00000000021C0000-0x00000000021C1000-memory.dmp

Filesize
4KB

Download
memory/3732-65-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads