darkcomet | 203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1

Analysis

max time kernel
81s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2022 19:59

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General

Target

203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Size

658KB
MD5

91478eaa8eec1087df8b4a7650cbbd5c
SHA1

cbc5c097c8a254232aac8b130798aac322524085
SHA256

203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1
SHA512

9b4bbc8275b3c9d0604272a1d94cf8adec0be70120ff039af363a307271881384addf481c9a6c667354a36cb368e369680d0db245d3b4f86f178f9eb5e27cdb7
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hs:eZ1xuVVjfFoynPaVBUR8f+kN10EBi

Score

10^/10

darkcomet mikebail persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

mikebail

99.235.66.71:1604

Mutex

DCMIN_MUTEX-XRCKYMB

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
ho2A6rzZ04Hk
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"	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe

Executes dropped EXE 1 IoCs

pid	Process
3084	IMDCSC.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe

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	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeSecurityPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeTakeOwnershipPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeLoadDriverPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeSystemProfilePrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeSystemtimePrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeProfSingleProcessPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeIncBasePriorityPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeCreatePagefilePrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeBackupPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeRestorePrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeShutdownPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeDebugPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeSystemEnvironmentPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeChangeNotifyPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeRemoteShutdownPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeUndockPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeManageVolumePrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeImpersonatePrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeCreateGlobalPrivilege	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: 33	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: 34	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: 35	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: 36	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
Token: SeIncreaseQuotaPrivilege	3084	IMDCSC.exe
Token: SeSecurityPrivilege	3084	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	3084	IMDCSC.exe
Token: SeLoadDriverPrivilege	3084	IMDCSC.exe
Token: SeSystemProfilePrivilege	3084	IMDCSC.exe
Token: SeSystemtimePrivilege	3084	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	3084	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	3084	IMDCSC.exe
Token: SeCreatePagefilePrivilege	3084	IMDCSC.exe
Token: SeBackupPrivilege	3084	IMDCSC.exe
Token: SeRestorePrivilege	3084	IMDCSC.exe
Token: SeShutdownPrivilege	3084	IMDCSC.exe
Token: SeDebugPrivilege	3084	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	3084	IMDCSC.exe
Token: SeChangeNotifyPrivilege	3084	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	3084	IMDCSC.exe
Token: SeUndockPrivilege	3084	IMDCSC.exe
Token: SeManageVolumePrivilege	3084	IMDCSC.exe
Token: SeImpersonatePrivilege	3084	IMDCSC.exe
Token: SeCreateGlobalPrivilege	3084	IMDCSC.exe
Token: 33	3084	IMDCSC.exe
Token: 34	3084	IMDCSC.exe
Token: 35	3084	IMDCSC.exe
Token: 36	3084	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3084	IMDCSC.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 3084	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe	82
PID 2864 wrote to memory of 3084	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe	82
PID 2864 wrote to memory of 3084	2864	203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe	82

C:\Users\Admin\AppData\Local\Temp\203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe
"C:\Users\Admin\AppData\Local\Temp\203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3084

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
658KB

MD5
91478eaa8eec1087df8b4a7650cbbd5c

SHA1
cbc5c097c8a254232aac8b130798aac322524085

SHA256
203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1

SHA512
9b4bbc8275b3c9d0604272a1d94cf8adec0be70120ff039af363a307271881384addf481c9a6c667354a36cb368e369680d0db245d3b4f86f178f9eb5e27cdb7

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

Filesize
658KB

MD5
91478eaa8eec1087df8b4a7650cbbd5c

SHA1
cbc5c097c8a254232aac8b130798aac322524085

SHA256
203411ae6e30fd197ed1f3ae30736ebffdbf79bc2d9a083bf41e08501d7bebe1

SHA512
9b4bbc8275b3c9d0604272a1d94cf8adec0be70120ff039af363a307271881384addf481c9a6c667354a36cb368e369680d0db245d3b4f86f178f9eb5e27cdb7

Download Submit
memory/3084-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads