darkcomet | 89d9aaf90bae7500c375f49ba3cd1384c78945cc3cd78ce1219c3a2f9c04d698

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2025, 14:04

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General

Target

JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Size

756KB
MD5

7482b593ef1b73d72d66eaebadeaeca7
SHA1

d849dac2990539e6c8633b353dcb97a919d84889
SHA256

89d9aaf90bae7500c375f49ba3cd1384c78945cc3cd78ce1219c3a2f9c04d698
SHA512

aac457adc7d2e2f8b4fe45d592b032915da5d9a58aead54beedf403b4775573ab038f6342b114c740ed82fd4f3d8c5b5432183ff216358bce52a6c6605e596f1
SSDEEP

12288:i9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h2gxg:OZ1xuVVjfFoynPaVBUR8f+kN10EBl+

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

rattatattat.no-ip.biz:8105

Mutex

DC_MUTEX-UVY1ZGF

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
eX8vZpUNr0Yy
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_7482b593ef1b73d72d66eaebadeaeca7.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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe

Executes dropped EXE 1 IoCs

pid	Process
3736	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-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\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	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeSecurityPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeTakeOwnershipPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeLoadDriverPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeSystemProfilePrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeSystemtimePrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeProfSingleProcessPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeIncBasePriorityPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeCreatePagefilePrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeBackupPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeRestorePrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeShutdownPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeDebugPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeSystemEnvironmentPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeChangeNotifyPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeRemoteShutdownPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeUndockPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeManageVolumePrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeImpersonatePrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeCreateGlobalPrivilege	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: 33	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: 34	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: 35	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: 36	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
Token: SeIncreaseQuotaPrivilege	3736	msdcsc.exe
Token: SeSecurityPrivilege	3736	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3736	msdcsc.exe
Token: SeLoadDriverPrivilege	3736	msdcsc.exe
Token: SeSystemProfilePrivilege	3736	msdcsc.exe
Token: SeSystemtimePrivilege	3736	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3736	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3736	msdcsc.exe
Token: SeCreatePagefilePrivilege	3736	msdcsc.exe
Token: SeBackupPrivilege	3736	msdcsc.exe
Token: SeRestorePrivilege	3736	msdcsc.exe
Token: SeShutdownPrivilege	3736	msdcsc.exe
Token: SeDebugPrivilege	3736	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3736	msdcsc.exe
Token: SeChangeNotifyPrivilege	3736	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3736	msdcsc.exe
Token: SeUndockPrivilege	3736	msdcsc.exe
Token: SeManageVolumePrivilege	3736	msdcsc.exe
Token: SeImpersonatePrivilege	3736	msdcsc.exe
Token: SeCreateGlobalPrivilege	3736	msdcsc.exe
Token: 33	3736	msdcsc.exe
Token: 34	3736	msdcsc.exe
Token: 35	3736	msdcsc.exe
Token: 36	3736	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3736	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 3736	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe	85
PID 2476 wrote to memory of 3736	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe	85
PID 2476 wrote to memory of 3736	2476	JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7482b593ef1b73d72d66eaebadeaeca7.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:2476
- 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:3736

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
756KB

MD5
7482b593ef1b73d72d66eaebadeaeca7

SHA1
d849dac2990539e6c8633b353dcb97a919d84889

SHA256
89d9aaf90bae7500c375f49ba3cd1384c78945cc3cd78ce1219c3a2f9c04d698

SHA512
aac457adc7d2e2f8b4fe45d592b032915da5d9a58aead54beedf403b4775573ab038f6342b114c740ed82fd4f3d8c5b5432183ff216358bce52a6c6605e596f1

Download Submit
memory/2476-0-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/2476-62-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3736-61-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/3736-63-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads