darkcomet | 5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe

General

Target

5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Size

1.6MB
MD5

2e241fbbbea811d82309f826a9485152
SHA1

8a2609de8f2257ae1cd5e37e2a9eda159a91e68c
SHA256

5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe
SHA512

2039e8eb49c2bb9f0887f499c13a189169bfe940a64c689befbb8d8e1e9cd5541fa1a2940a1af917d461c6d221f163120df0aa7222519126957db2ac91afb740
SSDEEP

24576:tZ1xuVVjfFoynPaVBUR8f+kN10EBpCf250pIqO2Kl5nldl:3QDgok30LhRO2Kljdl

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

easypeasy123.ddns.net :1604

Mutex

DC_MUTEX-HNQBNRG

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
eFXJN2rajLLJ
install
true
offline_keylogger
true
password
gomas123
persistence
false
reg_key
MicroUpdate

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

Processes:

5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe

Executes dropped EXE 3 IoCs

Processes:

CHROME.EXEmsdcsc.exeCHROME.EXE

pid process

3144 CHROME.EXE
3292 msdcsc.exe
3756 CHROME.EXE

pid	process
3144	CHROME.EXE
3292	msdcsc.exe
3756	CHROME.EXE

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exemsdcsc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.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

Processes:

5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeSecurityPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeTakeOwnershipPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeLoadDriverPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeSystemProfilePrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeSystemtimePrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeProfSingleProcessPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeIncBasePriorityPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeCreatePagefilePrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeBackupPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeRestorePrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeShutdownPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeDebugPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeSystemEnvironmentPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeChangeNotifyPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeRemoteShutdownPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeUndockPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeManageVolumePrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeImpersonatePrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeCreateGlobalPrivilege	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: 33	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: 34	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: 35	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: 36	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
Token: SeIncreaseQuotaPrivilege	3292	msdcsc.exe
Token: SeSecurityPrivilege	3292	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3292	msdcsc.exe
Token: SeLoadDriverPrivilege	3292	msdcsc.exe
Token: SeSystemProfilePrivilege	3292	msdcsc.exe
Token: SeSystemtimePrivilege	3292	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3292	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3292	msdcsc.exe
Token: SeCreatePagefilePrivilege	3292	msdcsc.exe
Token: SeBackupPrivilege	3292	msdcsc.exe
Token: SeRestorePrivilege	3292	msdcsc.exe
Token: SeShutdownPrivilege	3292	msdcsc.exe
Token: SeDebugPrivilege	3292	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3292	msdcsc.exe
Token: SeChangeNotifyPrivilege	3292	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3292	msdcsc.exe
Token: SeUndockPrivilege	3292	msdcsc.exe
Token: SeManageVolumePrivilege	3292	msdcsc.exe
Token: SeImpersonatePrivilege	3292	msdcsc.exe
Token: SeCreateGlobalPrivilege	3292	msdcsc.exe
Token: 33	3292	msdcsc.exe
Token: 34	3292	msdcsc.exe
Token: 35	3292	msdcsc.exe
Token: 36	3292	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

3292 msdcsc.exe

pid	process
3292	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe

description	pid	process	target process
PID 4212 wrote to memory of 3292	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe	msdcsc.exe
PID 4212 wrote to memory of 3292	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe	msdcsc.exe
PID 4212 wrote to memory of 3292	4212	5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.exe
"C:\Users\Admin\AppData\Local\Temp\5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe.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:4212

C:\Users\Admin\AppData\Local\Temp\CHROME.EXE
"C:\Users\Admin\AppData\Local\Temp\CHROME.EXE"
2⤵
- Executes dropped EXE
PID:3144

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3292

C:\Users\Admin\AppData\Local\Temp\CHROME.EXE
"C:\Users\Admin\AppData\Local\Temp\CHROME.EXE"
3⤵
- Executes dropped EXE
PID:3756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CHROME.EXE

Filesize
832KB

MD5
ac08a03d7e579e2903925736e7ab48f2

SHA1
572c2c0d0e2343617cd6faa9f97b8a12acffa3f1

SHA256
b4350dfb5bf153d60c38835fd0d4a13a993b5fcede04f98750396edf0070b3fe

SHA512
9be294f8a80acfd40db3575f958358e6c5adbcdd6bafed75cb9c5f57c4c516c61ce812e7cd11c71f350bcfa4f60441e0f0fba3cb1cca1736b541967df28fede7

Download Submit
C:\Users\Admin\AppData\Local\Temp\CHROME.EXE

Filesize
832KB

MD5
ac08a03d7e579e2903925736e7ab48f2

SHA1
572c2c0d0e2343617cd6faa9f97b8a12acffa3f1

SHA256
b4350dfb5bf153d60c38835fd0d4a13a993b5fcede04f98750396edf0070b3fe

SHA512
9be294f8a80acfd40db3575f958358e6c5adbcdd6bafed75cb9c5f57c4c516c61ce812e7cd11c71f350bcfa4f60441e0f0fba3cb1cca1736b541967df28fede7

Download Submit
C:\Users\Admin\AppData\Local\Temp\CHROME.EXE

Filesize
832KB

MD5
ac08a03d7e579e2903925736e7ab48f2

SHA1
572c2c0d0e2343617cd6faa9f97b8a12acffa3f1

SHA256
b4350dfb5bf153d60c38835fd0d4a13a993b5fcede04f98750396edf0070b3fe

SHA512
9be294f8a80acfd40db3575f958358e6c5adbcdd6bafed75cb9c5f57c4c516c61ce812e7cd11c71f350bcfa4f60441e0f0fba3cb1cca1736b541967df28fede7

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
1.6MB

MD5
2e241fbbbea811d82309f826a9485152

SHA1
8a2609de8f2257ae1cd5e37e2a9eda159a91e68c

SHA256
5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe

SHA512
2039e8eb49c2bb9f0887f499c13a189169bfe940a64c689befbb8d8e1e9cd5541fa1a2940a1af917d461c6d221f163120df0aa7222519126957db2ac91afb740

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
1.6MB

MD5
2e241fbbbea811d82309f826a9485152

SHA1
8a2609de8f2257ae1cd5e37e2a9eda159a91e68c

SHA256
5e8965f5293e0d9a106e9fb26f5eca274fb02f8981050ac1945813d0f31fedbe

SHA512
2039e8eb49c2bb9f0887f499c13a189169bfe940a64c689befbb8d8e1e9cd5541fa1a2940a1af917d461c6d221f163120df0aa7222519126957db2ac91afb740

Download Submit
memory/3292-133-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads