darkcomet | 2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e

General

Target

2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe
Size

1.6MB
MD5

ef90e677a1fe066069f7d0eca00f2ae3
SHA1

5075ecff900debac18b2d134580f44babac4c3ab
SHA256

2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e
SHA512

5b40b7daeb46887e93b43b11d2d5e5eea20fd34105de52ad01f41d34791475f7d5e26d249d329634831cdcaed6b910bf0a9726c81ed5202a1823b25f0a0e4876
SSDEEP

49152:5JZoQrbTFZY1iaY5r3DRpB1hJ5QpyR+pc:5trbTA1OrTRpB3J5Qpyec

Score

10^/10

darkcomet pro persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Pro

C2

huyenluv.no-ip.biz:100

Mutex

DC_MUTEX-Q3BWVNG

Attributes

gencode
6s7WlMNw108w
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

904 rundll32.exe
1076 rundll32.exe
Loads dropped DLL 2 IoCs

Processes:

2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exerundll32.exe

pid process

1844 2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe
904 rundll32.exe

pid	process
904	rundll32.exe
1076	rundll32.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Roaming\\rundll32.exe"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Roaming\\rundll32.exe"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	rundll32.exe

AutoIT Executable 5 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\rundll32.exe	autoit_exe
C:\Users\Admin\AppData\Roaming\rundll32.exe	autoit_exe
C:\Users\Admin\AppData\Roaming\rundll32.exe	autoit_exe
\Users\Admin\AppData\Roaming\rundll32.exe	autoit_exe
C:\Users\Admin\AppData\Roaming\rundll32.exe	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 904 set thread context of 1076 904 rundll32.exe rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 904 set thread context of 1076	904	rundll32.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exerundll32.exe

pid	process
1844	2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe
904	rundll32.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

rundll32.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1076	rundll32.exe
Token: SeSecurityPrivilege	1076	rundll32.exe
Token: SeTakeOwnershipPrivilege	1076	rundll32.exe
Token: SeLoadDriverPrivilege	1076	rundll32.exe
Token: SeSystemProfilePrivilege	1076	rundll32.exe
Token: SeSystemtimePrivilege	1076	rundll32.exe
Token: SeProfSingleProcessPrivilege	1076	rundll32.exe
Token: SeIncBasePriorityPrivilege	1076	rundll32.exe
Token: SeCreatePagefilePrivilege	1076	rundll32.exe
Token: SeBackupPrivilege	1076	rundll32.exe
Token: SeRestorePrivilege	1076	rundll32.exe
Token: SeShutdownPrivilege	1076	rundll32.exe
Token: SeDebugPrivilege	1076	rundll32.exe
Token: SeSystemEnvironmentPrivilege	1076	rundll32.exe
Token: SeChangeNotifyPrivilege	1076	rundll32.exe
Token: SeRemoteShutdownPrivilege	1076	rundll32.exe
Token: SeUndockPrivilege	1076	rundll32.exe
Token: SeManageVolumePrivilege	1076	rundll32.exe
Token: SeImpersonatePrivilege	1076	rundll32.exe
Token: SeCreateGlobalPrivilege	1076	rundll32.exe
Token: 33	1076	rundll32.exe
Token: 34	1076	rundll32.exe
Token: 35	1076	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

rundll32.exe

pid process

1076 rundll32.exe

pid	process
1076	rundll32.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exerundll32.exe

description	pid	process	target process
PID 1844 wrote to memory of 904	1844	2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe	rundll32.exe
PID 1844 wrote to memory of 904	1844	2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe	rundll32.exe
PID 1844 wrote to memory of 904	1844	2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe	rundll32.exe
PID 1844 wrote to memory of 904	1844	2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe	rundll32.exe
PID 1844 wrote to memory of 904	1844	2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe	rundll32.exe
PID 1844 wrote to memory of 904	1844	2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe	rundll32.exe
PID 1844 wrote to memory of 904	1844	2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe	rundll32.exe
PID 904 wrote to memory of 1076	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1076	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1076	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1076	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1076	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1076	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1076	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1076	904	rundll32.exe	rundll32.exe
PID 904 wrote to memory of 1076	904	rundll32.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe
"C:\Users\Admin\AppData\Local\Temp\2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1844

C:\Users\Admin\AppData\Roaming\rundll32.exe
C:\Users\Admin\AppData\Roaming\rundll32.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:904

C:\Users\Admin\AppData\Roaming\rundll32.exe
"C:\Users\Admin\AppData\Roaming\rundll32.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1076

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\rundll32.exe
Filesize
1.6MB

MD5
ef90e677a1fe066069f7d0eca00f2ae3

SHA1
5075ecff900debac18b2d134580f44babac4c3ab

SHA256
2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e

SHA512
5b40b7daeb46887e93b43b11d2d5e5eea20fd34105de52ad01f41d34791475f7d5e26d249d329634831cdcaed6b910bf0a9726c81ed5202a1823b25f0a0e4876

Download Submit
C:\Users\Admin\AppData\Roaming\rundll32.exe
Filesize
1.6MB

MD5
ef90e677a1fe066069f7d0eca00f2ae3

SHA1
5075ecff900debac18b2d134580f44babac4c3ab

SHA256
2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e

SHA512
5b40b7daeb46887e93b43b11d2d5e5eea20fd34105de52ad01f41d34791475f7d5e26d249d329634831cdcaed6b910bf0a9726c81ed5202a1823b25f0a0e4876

Download Submit
C:\Users\Admin\AppData\Roaming\rundll32.exe
Filesize
1.6MB

MD5
ef90e677a1fe066069f7d0eca00f2ae3

SHA1
5075ecff900debac18b2d134580f44babac4c3ab

SHA256
2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e

SHA512
5b40b7daeb46887e93b43b11d2d5e5eea20fd34105de52ad01f41d34791475f7d5e26d249d329634831cdcaed6b910bf0a9726c81ed5202a1823b25f0a0e4876

Download Submit
\Users\Admin\AppData\Roaming\rundll32.exe
Filesize
1.6MB

MD5
ef90e677a1fe066069f7d0eca00f2ae3

SHA1
5075ecff900debac18b2d134580f44babac4c3ab

SHA256
2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e

SHA512
5b40b7daeb46887e93b43b11d2d5e5eea20fd34105de52ad01f41d34791475f7d5e26d249d329634831cdcaed6b910bf0a9726c81ed5202a1823b25f0a0e4876

Download Submit
\Users\Admin\AppData\Roaming\rundll32.exe
Filesize
1.6MB

MD5
ef90e677a1fe066069f7d0eca00f2ae3

SHA1
5075ecff900debac18b2d134580f44babac4c3ab

SHA256
2ca24c1e0fb9e88ff4227cdd9e1ad4138f16ed205ccd7da2e5efde99f56db15e

SHA512
5b40b7daeb46887e93b43b11d2d5e5eea20fd34105de52ad01f41d34791475f7d5e26d249d329634831cdcaed6b910bf0a9726c81ed5202a1823b25f0a0e4876

Download Submit
memory/904-56-0x0000000000000000-mapping.dmp

Download
memory/1076-61-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1076-63-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1076-64-0x000000000015F888-mapping.dmp

Download
memory/1076-66-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1076-68-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1076-70-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1076-71-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1076-72-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1844-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads