darkcomet | 0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 19:48

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General

Target

0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Size

658KB
MD5

1173b438e6ac9fdcf5662d5853b7fa27
SHA1

77e9b351cd69f87899a3bdc17b9175d58c927a14
SHA256

0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31
SHA512

2b61f314e898f72fd829e4a9384e6757c2e7c337ad049d52709b14e16883b6079045deb74943bc0bad94612d15960cd428420274aa1c6ea8bc4446df1f5ff2b4
SSDEEP

12288:K9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/ho:GZ1xuVVjfFoynPaVBUR8f+kN10EB2

Score

10^/10

darkcomet rat discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

RAT

dcratk.zapto.org:1604

Mutex

DCMIN_MUTEX-D42GK0L

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
Pxh91wu5UxeB
install
true
offline_keylogger
true
persistence
false
reg_key
Host

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\\DCSCMIN\\IMDCSC.exe"	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe

Executes dropped EXE 1 IoCs

pid	Process
2432	IMDCSC.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Host = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.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	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeSecurityPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeTakeOwnershipPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeLoadDriverPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeSystemProfilePrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeSystemtimePrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeProfSingleProcessPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeIncBasePriorityPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeCreatePagefilePrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeBackupPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeRestorePrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeShutdownPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeDebugPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeSystemEnvironmentPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeChangeNotifyPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeRemoteShutdownPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeUndockPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeManageVolumePrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeImpersonatePrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeCreateGlobalPrivilege	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: 33	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: 34	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: 35	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: 36	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
Token: SeIncreaseQuotaPrivilege	2432	IMDCSC.exe
Token: SeSecurityPrivilege	2432	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2432	IMDCSC.exe
Token: SeLoadDriverPrivilege	2432	IMDCSC.exe
Token: SeSystemProfilePrivilege	2432	IMDCSC.exe
Token: SeSystemtimePrivilege	2432	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2432	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2432	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2432	IMDCSC.exe
Token: SeBackupPrivilege	2432	IMDCSC.exe
Token: SeRestorePrivilege	2432	IMDCSC.exe
Token: SeShutdownPrivilege	2432	IMDCSC.exe
Token: SeDebugPrivilege	2432	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2432	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2432	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2432	IMDCSC.exe
Token: SeUndockPrivilege	2432	IMDCSC.exe
Token: SeManageVolumePrivilege	2432	IMDCSC.exe
Token: SeImpersonatePrivilege	2432	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2432	IMDCSC.exe
Token: 33	2432	IMDCSC.exe
Token: 34	2432	IMDCSC.exe
Token: 35	2432	IMDCSC.exe
Token: 36	2432	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2432	IMDCSC.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2432	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe	83
PID 2816 wrote to memory of 2432	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe	83
PID 2816 wrote to memory of 2432	2816	0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe	83

C:\Users\Admin\AppData\Local\Temp\0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.exe
"C:\Users\Admin\AppData\Local\Temp\0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31.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:2816
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2432

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\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
1173b438e6ac9fdcf5662d5853b7fa27

SHA1
77e9b351cd69f87899a3bdc17b9175d58c927a14

SHA256
0b0342b1428f18d9a1ee09a0fc3f274bd04f599c476616b967be1006497def31

SHA512
2b61f314e898f72fd829e4a9384e6757c2e7c337ad049d52709b14e16883b6079045deb74943bc0bad94612d15960cd428420274aa1c6ea8bc4446df1f5ff2b4

Download Submit
memory/2432-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-12-0x00000000007E0000-0x00000000007E1000-memory.dmp

Filesize
4KB

Download
memory/2432-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2432-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2816-0-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/2816-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads