darkcomet | 89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e

General

Target

89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe
Size

664KB
MD5

8eb6a2700352d17d461213477e70ba2f
SHA1

adc7a744c8b7ca15135e47db44be6ccd2614bec7
SHA256

89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e
SHA512

71c9222131e72b80ae850e18a30466c013c2cd43f914156685b9e1da7a569b94e01682b0254e746f0cc0b5f90a7eb2b9a8947725cb723865563c53f6f23985a4
SSDEEP

12288:9IWId8kNmDiaUgb0ovPCn7xTKX6WJyqLJVln+iRoKf6YDKmg9fQINvz:GTmDias7xKX1V+imUH+mH4

Score

10^/10

darkcomet dc persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

DC

C2

WalruusHOST.NO-IP.Biz:1604

Mutex

DC_MUTEX-TLS5WDH

Attributes

gencode
x3l1XdbXHCdo
install
false
offline_keylogger
false
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1628-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1628-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1628-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1628-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1628-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1628-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1628-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1628-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1628-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

Processes:

89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\BOOT-IN = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BOOT-IN.exe"	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe

description	pid	process	target process
PID 1788 set thread context of 1628	1788	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

vbc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1628	vbc.exe
Token: SeSecurityPrivilege	1628	vbc.exe
Token: SeTakeOwnershipPrivilege	1628	vbc.exe
Token: SeLoadDriverPrivilege	1628	vbc.exe
Token: SeSystemProfilePrivilege	1628	vbc.exe
Token: SeSystemtimePrivilege	1628	vbc.exe
Token: SeProfSingleProcessPrivilege	1628	vbc.exe
Token: SeIncBasePriorityPrivilege	1628	vbc.exe
Token: SeCreatePagefilePrivilege	1628	vbc.exe
Token: SeBackupPrivilege	1628	vbc.exe
Token: SeRestorePrivilege	1628	vbc.exe
Token: SeShutdownPrivilege	1628	vbc.exe
Token: SeDebugPrivilege	1628	vbc.exe
Token: SeSystemEnvironmentPrivilege	1628	vbc.exe
Token: SeChangeNotifyPrivilege	1628	vbc.exe
Token: SeRemoteShutdownPrivilege	1628	vbc.exe
Token: SeUndockPrivilege	1628	vbc.exe
Token: SeManageVolumePrivilege	1628	vbc.exe
Token: SeImpersonatePrivilege	1628	vbc.exe
Token: SeCreateGlobalPrivilege	1628	vbc.exe
Token: 33	1628	vbc.exe
Token: 34	1628	vbc.exe
Token: 35	1628	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe

description	pid	process	target process
PID 1788 wrote to memory of 1628	1788	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe	vbc.exe
PID 1788 wrote to memory of 1628	1788	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe	vbc.exe
PID 1788 wrote to memory of 1628	1788	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe	vbc.exe
PID 1788 wrote to memory of 1628	1788	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe	vbc.exe
PID 1788 wrote to memory of 1628	1788	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe	vbc.exe
PID 1788 wrote to memory of 1628	1788	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe	vbc.exe
PID 1788 wrote to memory of 1628	1788	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe	vbc.exe
PID 1788 wrote to memory of 1628	1788	89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe
"C:\Users\Admin\AppData\Local\Temp\89da62d223755847c74cc8dd33afa6120efd33b66e087f701748659d27df5e4e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1788

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
PID:1628

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1628-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-60-0x00000000004B5650-mapping.dmp

Download
memory/1628-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-66-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1628-68-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1788-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1788-64-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads