darkcomet | 9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346

Analysis

max time kernel
152s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 10:00

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General

Target

9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Size

660KB
MD5

9a18872af04f4363a3f4ee0defa11f7a
SHA1

db898c1154c003f04b1a6016a60fbc1fe3a3b598
SHA256

9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346
SHA512

2564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e
SSDEEP

12288:QXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uj:2nAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jz

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

nkbh777.no-ip.biz:1604

Mutex

DCMIN_MUTEX-EU7WNUQ

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
96uknNp9wUQe
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"	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.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 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeSecurityPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeTakeOwnershipPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeLoadDriverPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeSystemProfilePrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeSystemtimePrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeProfSingleProcessPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeIncBasePriorityPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeCreatePagefilePrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeBackupPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeRestorePrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeShutdownPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeDebugPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeSystemEnvironmentPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeChangeNotifyPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeRemoteShutdownPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeUndockPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeManageVolumePrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeImpersonatePrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeCreateGlobalPrivilege	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: 33	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: 34	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: 35	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
Token: SeIncreaseQuotaPrivilege	2020	IMDCSC.exe
Token: SeSecurityPrivilege	2020	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2020	IMDCSC.exe
Token: SeLoadDriverPrivilege	2020	IMDCSC.exe
Token: SeSystemProfilePrivilege	2020	IMDCSC.exe
Token: SeSystemtimePrivilege	2020	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2020	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2020	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2020	IMDCSC.exe
Token: SeBackupPrivilege	2020	IMDCSC.exe
Token: SeRestorePrivilege	2020	IMDCSC.exe
Token: SeShutdownPrivilege	2020	IMDCSC.exe
Token: SeDebugPrivilege	2020	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2020	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2020	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2020	IMDCSC.exe
Token: SeUndockPrivilege	2020	IMDCSC.exe
Token: SeManageVolumePrivilege	2020	IMDCSC.exe
Token: SeImpersonatePrivilege	2020	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2020	IMDCSC.exe
Token: 33	2020	IMDCSC.exe
Token: 34	2020	IMDCSC.exe
Token: 35	2020	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2020	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 364 wrote to memory of 2020	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe	26
PID 364 wrote to memory of 2020	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe	26
PID 364 wrote to memory of 2020	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe	26
PID 364 wrote to memory of 2020	364	9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe	26

C:\Users\Admin\AppData\Local\Temp\9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe
"C:\Users\Admin\AppData\Local\Temp\9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:364
- 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:2020

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

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
660KB

MD5
9a18872af04f4363a3f4ee0defa11f7a

SHA1
db898c1154c003f04b1a6016a60fbc1fe3a3b598

SHA256
9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346

SHA512
2564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e

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

Filesize
660KB

MD5
9a18872af04f4363a3f4ee0defa11f7a

SHA1
db898c1154c003f04b1a6016a60fbc1fe3a3b598

SHA256
9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346

SHA512
2564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e

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

Filesize
660KB

MD5
9a18872af04f4363a3f4ee0defa11f7a

SHA1
db898c1154c003f04b1a6016a60fbc1fe3a3b598

SHA256
9105e1f225cd922a680e606f874ee5421b113db59fcbcf698de8b00f0bf75346

SHA512
2564c14475e5922d30cbd5e0dd825ff0e11d5f466dd7d841d463ad92edea631b42c881980c0e54dfa706fe49de1823c29ae9e682aca264e8f9e801485a09909e

Download Submit
memory/364-54-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads