darkcomet | 071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b

General

Target

071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe
Size

956KB
MD5

2a4e14eb3b0c1d04ecd67caa1696a6d0
SHA1

c7eacf73384cda71c8b0000fadfba37601c71046
SHA256

071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b
SHA512

26c0bdc3e9b0043ba9a266e18b0030c303619b65a9dad1fee06c017f6828a2361206c78dade5b7ef7f7f3c4810a029f496c2a1a48e6c929156384a88edcb84e0

Score

10^/10

darkcomet update persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Update

C2

sosomelaine.ddns.net:1604

Mutex

DC_MUTEX-8YW07F7

Attributes

gencode
yNpsss59r5Df
install
false
offline_keylogger
true
password
amiga1200
persistence
false

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:

071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\BzyWNcURKHOoucxa\\SIZ3zTTEutH5.exe\",explorer.exe"	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 3 IoCs

Processes:

071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe

description	pid	process	target process
PID 1992 set thread context of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 set thread context of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 set thread context of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe

pid process

1992 071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe

pid	process
1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exevbc.exe

description	pid	process
Token: SeDebugPrivilege	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe
Token: SeDebugPrivilege	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe
Token: SeIncreaseQuotaPrivilege	1496	vbc.exe
Token: SeSecurityPrivilege	1496	vbc.exe
Token: SeTakeOwnershipPrivilege	1496	vbc.exe
Token: SeLoadDriverPrivilege	1496	vbc.exe
Token: SeSystemProfilePrivilege	1496	vbc.exe
Token: SeSystemtimePrivilege	1496	vbc.exe
Token: SeProfSingleProcessPrivilege	1496	vbc.exe
Token: SeIncBasePriorityPrivilege	1496	vbc.exe
Token: SeCreatePagefilePrivilege	1496	vbc.exe
Token: SeBackupPrivilege	1496	vbc.exe
Token: SeRestorePrivilege	1496	vbc.exe
Token: SeShutdownPrivilege	1496	vbc.exe
Token: SeDebugPrivilege	1496	vbc.exe
Token: SeSystemEnvironmentPrivilege	1496	vbc.exe
Token: SeChangeNotifyPrivilege	1496	vbc.exe
Token: SeRemoteShutdownPrivilege	1496	vbc.exe
Token: SeUndockPrivilege	1496	vbc.exe
Token: SeManageVolumePrivilege	1496	vbc.exe
Token: SeImpersonatePrivilege	1496	vbc.exe
Token: SeCreateGlobalPrivilege	1496	vbc.exe
Token: 33	1496	vbc.exe
Token: 34	1496	vbc.exe
Token: 35	1496	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

1496 vbc.exe

pid	process
1496	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe

description	pid	process	target process
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe
PID 1992 wrote to memory of 1496	1992	071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe
"C:\Users\Admin\AppData\Local\Temp\071e5d531e107b62f71a8854fb446230a73d0ce115be2912cbf505b0e450428b.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1496

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1496-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-83-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-79-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

Filesize
4KB

Download
memory/1496-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1496-72-0x000000000048F888-mapping.dmp

Download
memory/1496-77-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

Filesize
4KB

Download
memory/1496-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1992-55-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/1992-56-0x0000000000100000-0x0000000000140000-memory.dmp

Filesize
256KB

Download
memory/1992-54-0x00000000768D1000-0x00000000768D3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads