darkcomet | 2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede

Analysis

max time kernel
134s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/11/2022, 16:14

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General

Target
2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe
Size 1.1MB
Sample221119-tpzy2aad22
SHA256 2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede
MD5 42033d1b9362047a5ef50afd77587130
SHA1 2f1a8ef92763269a1cb1ddc65dbd5b0222ccb714
SHA512 44681a652de31836c99edae887517df48a8340ddca5f9493eff6116e5c4614accacb67e67ca2d2e28bceebcdc7336b6c5e29347e5396c684a879e5fd6bd40982
SSDEEP 12288:hPltN8ovWEKfwDgn/4xaCN7XwWGkvNdJYiZG1U724XzABViDE0hb4BE8KIQZsXPu:/55N7LOCAOzlEDujmmThBbg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet minecraft account hacker persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Minecraft Account Hacker

92.29.59.21:1604

Mutex

DC_MUTEX-2F8SNEG

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
UBJ72RzVNNs9
install
true
offline_keylogger
true
persistence
true
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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	vbc.exe

Executes dropped EXE 2 IoCs

pid	Process
4704	vbc.exe
4456	msdcsc.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	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80

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 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4704	vbc.exe
Token: SeSecurityPrivilege	4704	vbc.exe
Token: SeTakeOwnershipPrivilege	4704	vbc.exe
Token: SeLoadDriverPrivilege	4704	vbc.exe
Token: SeSystemProfilePrivilege	4704	vbc.exe
Token: SeSystemtimePrivilege	4704	vbc.exe
Token: SeProfSingleProcessPrivilege	4704	vbc.exe
Token: SeIncBasePriorityPrivilege	4704	vbc.exe
Token: SeCreatePagefilePrivilege	4704	vbc.exe
Token: SeBackupPrivilege	4704	vbc.exe
Token: SeRestorePrivilege	4704	vbc.exe
Token: SeShutdownPrivilege	4704	vbc.exe
Token: SeDebugPrivilege	4704	vbc.exe
Token: SeSystemEnvironmentPrivilege	4704	vbc.exe
Token: SeChangeNotifyPrivilege	4704	vbc.exe
Token: SeRemoteShutdownPrivilege	4704	vbc.exe
Token: SeUndockPrivilege	4704	vbc.exe
Token: SeManageVolumePrivilege	4704	vbc.exe
Token: SeImpersonatePrivilege	4704	vbc.exe
Token: SeCreateGlobalPrivilege	4704	vbc.exe
Token: 33	4704	vbc.exe
Token: 34	4704	vbc.exe
Token: 35	4704	vbc.exe
Token: 36	4704	vbc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 2116 wrote to memory of 4704	2116	2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe	80
PID 4704 wrote to memory of 4456	4704	vbc.exe	81
PID 4704 wrote to memory of 4456	4704	vbc.exe	81
PID 4704 wrote to memory of 4456	4704	vbc.exe	81

C:\Users\Admin\AppData\Local\Temp\2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe
"C:\Users\Admin\AppData\Local\Temp\2284671102a632c45da8bf9e2305120b91d698b681795ad08f2d5e50e095fede.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4704
- - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    PID:4456

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

msdcsc.exe

Path C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

Submit Download

msdcsc.exe

Path C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

Submit Download

vbc.exe

Path C:\Users\Admin\AppData\Local\Temp\vbc.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

Submit Download

vbc.exe

Path C:\Users\Admin\AppData\Local\Temp\vbc.exe
Size 1.1MB
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34
SSDEEP 24576:jp2silPBMIXGWClfuRcUGIJYK15Qs/QZM:jp2sMO7VzUTJH15QFZM
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2116-141-0x0000000074C60000-0x0000000075211000-memory.dmp

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memory/2116-132-0x0000000074C60000-0x0000000075211000-memory.dmp

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memory/4704-138-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4704-140-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4704-142-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4704-137-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4704-134-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/4704-146-0x0000000000400000-0x00000000004B2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads