darkcomet | b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195

Analysis

max time kernel
151s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 09:55

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General

Target

b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Size

658KB
MD5

d4acae17062a2aa79dcf112b09328839
SHA1

4f8dd7465095bb52524fe573bee46212092a9587
SHA256

b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195
SHA512

968f80d68cc42f421ee863a2a09845e9f5d846634cf117aca978b57096fc24345987e24309ad5107f8adee440fd8208a05bb218b4f23993d7478b0d4508e1b44
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hB:+Z1xuVVjfFoynPaVBUR8f+kN10EBP

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

firstonewins.zapto.org:1604

Mutex

DCMIN_MUTEX-FQRVZCZ

Attributes

InstallPath
DCSCMIN\MDCSC.exe
gencode
l39jETxfdHur
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\\MDCSC.exe"	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe

Executes dropped EXE 1 IoCs

pid	Process
2028	MDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\MDCSC.exe"	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.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	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeSecurityPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeTakeOwnershipPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeLoadDriverPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeSystemProfilePrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeSystemtimePrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeProfSingleProcessPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeIncBasePriorityPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeCreatePagefilePrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeBackupPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeRestorePrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeShutdownPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeDebugPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeSystemEnvironmentPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeChangeNotifyPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeRemoteShutdownPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeUndockPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeManageVolumePrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeImpersonatePrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeCreateGlobalPrivilege	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: 33	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: 34	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: 35	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
Token: SeIncreaseQuotaPrivilege	2028	MDCSC.exe
Token: SeSecurityPrivilege	2028	MDCSC.exe
Token: SeTakeOwnershipPrivilege	2028	MDCSC.exe
Token: SeLoadDriverPrivilege	2028	MDCSC.exe
Token: SeSystemProfilePrivilege	2028	MDCSC.exe
Token: SeSystemtimePrivilege	2028	MDCSC.exe
Token: SeProfSingleProcessPrivilege	2028	MDCSC.exe
Token: SeIncBasePriorityPrivilege	2028	MDCSC.exe
Token: SeCreatePagefilePrivilege	2028	MDCSC.exe
Token: SeBackupPrivilege	2028	MDCSC.exe
Token: SeRestorePrivilege	2028	MDCSC.exe
Token: SeShutdownPrivilege	2028	MDCSC.exe
Token: SeDebugPrivilege	2028	MDCSC.exe
Token: SeSystemEnvironmentPrivilege	2028	MDCSC.exe
Token: SeChangeNotifyPrivilege	2028	MDCSC.exe
Token: SeRemoteShutdownPrivilege	2028	MDCSC.exe
Token: SeUndockPrivilege	2028	MDCSC.exe
Token: SeManageVolumePrivilege	2028	MDCSC.exe
Token: SeImpersonatePrivilege	2028	MDCSC.exe
Token: SeCreateGlobalPrivilege	2028	MDCSC.exe
Token: 33	2028	MDCSC.exe
Token: 34	2028	MDCSC.exe
Token: 35	2028	MDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2028	MDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 2028	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe	27
PID 1408 wrote to memory of 2028	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe	27
PID 1408 wrote to memory of 2028	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe	27
PID 1408 wrote to memory of 2028	1408	b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe	27

C:\Users\Admin\AppData\Local\Temp\b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe
"C:\Users\Admin\AppData\Local\Temp\b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Users\Admin\Documents\DCSCMIN\MDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\MDCSC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2028

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\MDCSC.exe

Filesize
658KB

MD5
d4acae17062a2aa79dcf112b09328839

SHA1
4f8dd7465095bb52524fe573bee46212092a9587

SHA256
b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195

SHA512
968f80d68cc42f421ee863a2a09845e9f5d846634cf117aca978b57096fc24345987e24309ad5107f8adee440fd8208a05bb218b4f23993d7478b0d4508e1b44

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

Filesize
658KB

MD5
d4acae17062a2aa79dcf112b09328839

SHA1
4f8dd7465095bb52524fe573bee46212092a9587

SHA256
b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195

SHA512
968f80d68cc42f421ee863a2a09845e9f5d846634cf117aca978b57096fc24345987e24309ad5107f8adee440fd8208a05bb218b4f23993d7478b0d4508e1b44

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

Filesize
658KB

MD5
d4acae17062a2aa79dcf112b09328839

SHA1
4f8dd7465095bb52524fe573bee46212092a9587

SHA256
b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195

SHA512
968f80d68cc42f421ee863a2a09845e9f5d846634cf117aca978b57096fc24345987e24309ad5107f8adee440fd8208a05bb218b4f23993d7478b0d4508e1b44

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

Filesize
658KB

MD5
d4acae17062a2aa79dcf112b09328839

SHA1
4f8dd7465095bb52524fe573bee46212092a9587

SHA256
b096d840ad64fc4e9b08a21e7598c81d04235f0287d3fc87e4d31929509af195

SHA512
968f80d68cc42f421ee863a2a09845e9f5d846634cf117aca978b57096fc24345987e24309ad5107f8adee440fd8208a05bb218b4f23993d7478b0d4508e1b44

Download Submit
memory/1408-54-0x0000000074B51000-0x0000000074B53000-memory.dmp

Filesize
8KB

Download
memory/2028-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads