darkcomet | 3cd2280d5f2757095a3abb6f6a8a5e100376bc8e2dcd5de4e1254cdd6d01144e

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16/03/2023, 06:37

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General

Target

5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Size

1.4MB
MD5

2abeee8718f57cf5318197003550909d
SHA1

9e4662401cc01283eb03ad9b79a52b02713963fb
SHA256

5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4
SHA512

4897d94a4263451890e060a5488570c889dbd54e55fe9f4dc8c8ce00739ecf696392d9534d4f534370c59c073d496e0e5afac985cfb12b3c5d5e2a11523b06d8
SSDEEP

24576:tVrEOG6glVYeR74l7UiAHbdgSMs3hn3x2VpuDJGhuNKx/la60x:ttE16gLYK7BBHMox2buDYQQh060x

Score

10^/10

darkcomet luxygt persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

luxygt

dartkom22.ddns.net:2009

Mutex

DCMIN_MUTEX-UT0S86Q

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
fT1b0Py34wS5
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

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"	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe

Executes dropped EXE 2 IoCs

pid	Process
4556	IMDCSC.exe
4728	IMDCSC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4932 set thread context of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4556 set thread context of 4728	4556	IMDCSC.exe	88

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeSecurityPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeTakeOwnershipPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeLoadDriverPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeSystemProfilePrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeSystemtimePrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeProfSingleProcessPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeIncBasePriorityPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeCreatePagefilePrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeBackupPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeRestorePrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeShutdownPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeDebugPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeSystemEnvironmentPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeChangeNotifyPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeRemoteShutdownPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeUndockPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeManageVolumePrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeImpersonatePrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeCreateGlobalPrivilege	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: 33	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: 34	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: 35	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: 36	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
Token: SeIncreaseQuotaPrivilege	4728	IMDCSC.exe
Token: SeSecurityPrivilege	4728	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	4728	IMDCSC.exe
Token: SeLoadDriverPrivilege	4728	IMDCSC.exe
Token: SeSystemProfilePrivilege	4728	IMDCSC.exe
Token: SeSystemtimePrivilege	4728	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	4728	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	4728	IMDCSC.exe
Token: SeCreatePagefilePrivilege	4728	IMDCSC.exe
Token: SeBackupPrivilege	4728	IMDCSC.exe
Token: SeRestorePrivilege	4728	IMDCSC.exe
Token: SeShutdownPrivilege	4728	IMDCSC.exe
Token: SeDebugPrivilege	4728	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	4728	IMDCSC.exe
Token: SeChangeNotifyPrivilege	4728	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	4728	IMDCSC.exe
Token: SeUndockPrivilege	4728	IMDCSC.exe
Token: SeManageVolumePrivilege	4728	IMDCSC.exe
Token: SeImpersonatePrivilege	4728	IMDCSC.exe
Token: SeCreateGlobalPrivilege	4728	IMDCSC.exe
Token: 33	4728	IMDCSC.exe
Token: 34	4728	IMDCSC.exe
Token: 35	4728	IMDCSC.exe
Token: 36	4728	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4728	IMDCSC.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 4932 wrote to memory of 2776	4932	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	86
PID 2776 wrote to memory of 4556	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	87
PID 2776 wrote to memory of 4556	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	87
PID 2776 wrote to memory of 4556	2776	5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe	87
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88
PID 4556 wrote to memory of 4728	4556	IMDCSC.exe	88

C:\Users\Admin\AppData\Local\Temp\5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
"C:\Users\Admin\AppData\Local\Temp\5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe
  "C:\Users\Admin\AppData\Local\Temp\5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4556
  - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4728

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.4MB

MD5
2abeee8718f57cf5318197003550909d

SHA1
9e4662401cc01283eb03ad9b79a52b02713963fb

SHA256
5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4

SHA512
4897d94a4263451890e060a5488570c889dbd54e55fe9f4dc8c8ce00739ecf696392d9534d4f534370c59c073d496e0e5afac985cfb12b3c5d5e2a11523b06d8

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.4MB

MD5
2abeee8718f57cf5318197003550909d

SHA1
9e4662401cc01283eb03ad9b79a52b02713963fb

SHA256
5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4

SHA512
4897d94a4263451890e060a5488570c889dbd54e55fe9f4dc8c8ce00739ecf696392d9534d4f534370c59c073d496e0e5afac985cfb12b3c5d5e2a11523b06d8

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.4MB

MD5
2abeee8718f57cf5318197003550909d

SHA1
9e4662401cc01283eb03ad9b79a52b02713963fb

SHA256
5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4

SHA512
4897d94a4263451890e060a5488570c889dbd54e55fe9f4dc8c8ce00739ecf696392d9534d4f534370c59c073d496e0e5afac985cfb12b3c5d5e2a11523b06d8

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.4MB

MD5
2abeee8718f57cf5318197003550909d

SHA1
9e4662401cc01283eb03ad9b79a52b02713963fb

SHA256
5d7f6ab4f324bfaa347af5917a59a9b633f4dd891a96870235c6509fb9e7b5d4

SHA512
4897d94a4263451890e060a5488570c889dbd54e55fe9f4dc8c8ce00739ecf696392d9534d4f534370c59c073d496e0e5afac985cfb12b3c5d5e2a11523b06d8

Download Submit
memory/2776-138-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2776-139-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2776-140-0x0000000002E40000-0x0000000002E41000-memory.dmp

Filesize
4KB

Download
memory/2776-136-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2776-135-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2776-159-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4728-157-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4728-158-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4728-160-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

Filesize
4KB

Download
memory/4728-161-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4932-133-0x0000000000280000-0x00000000003F8000-memory.dmp

Filesize
1.5MB

Download
memory/4932-134-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads