darkcomet | 23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea

General

Target

23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe
Size

726KB
MD5

36f8a5356eaa170009cd6cc4bb7e4eeb
SHA1

fc4601d48e42cfbea7cee7891d9170d7d9de2370
SHA256

23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea
SHA512

30cab5cb33f7fd22bfe004cb794e65ad7bd1513404893107ebcb8bc12ea6d7ee4526302cd352710ed650dc3043fd16c333eb131e8313951dea48273060096660

Score

10^/10

darkcomet cybergate persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Cybergate

C2

xyk.no-ip.org:82

Mutex

DC_MUTEX-CBRCJKD

Attributes

gencode
dStG8rFqSf0i
install
false
offline_keylogger
true
password
12345678
persistence
false

Signatures

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

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/660-2-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/660-4-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/660-5-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/660-6-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuauclt = "C:\\Users\\Admin\\AppData\\Local\\WinUpdate.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe

description	pid	process	target process
PID 1056 set thread context of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.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 24 IoCs

Processes:

23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exeAppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe
Token: SeIncreaseQuotaPrivilege	660	AppLaunch.exe
Token: SeSecurityPrivilege	660	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	660	AppLaunch.exe
Token: SeLoadDriverPrivilege	660	AppLaunch.exe
Token: SeSystemProfilePrivilege	660	AppLaunch.exe
Token: SeSystemtimePrivilege	660	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	660	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	660	AppLaunch.exe
Token: SeCreatePagefilePrivilege	660	AppLaunch.exe
Token: SeBackupPrivilege	660	AppLaunch.exe
Token: SeRestorePrivilege	660	AppLaunch.exe
Token: SeShutdownPrivilege	660	AppLaunch.exe
Token: SeDebugPrivilege	660	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	660	AppLaunch.exe
Token: SeChangeNotifyPrivilege	660	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	660	AppLaunch.exe
Token: SeUndockPrivilege	660	AppLaunch.exe
Token: SeManageVolumePrivilege	660	AppLaunch.exe
Token: SeImpersonatePrivilege	660	AppLaunch.exe
Token: SeCreateGlobalPrivilege	660	AppLaunch.exe
Token: 33	660	AppLaunch.exe
Token: 34	660	AppLaunch.exe
Token: 35	660	AppLaunch.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

DllHost.exe

pid process

1644 DllHost.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AppLaunch.exe

pid process

660 AppLaunch.exe

pid	process
1644	DllHost.exe

pid	process
660	AppLaunch.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.execmd.exe

description	pid	process	target process
PID 1056 wrote to memory of 268	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	cmd.exe
PID 1056 wrote to memory of 268	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	cmd.exe
PID 1056 wrote to memory of 268	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	cmd.exe
PID 1056 wrote to memory of 268	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	cmd.exe
PID 268 wrote to memory of 756	268	cmd.exe	reg.exe
PID 268 wrote to memory of 756	268	cmd.exe	reg.exe
PID 268 wrote to memory of 756	268	cmd.exe	reg.exe
PID 268 wrote to memory of 756	268	cmd.exe	reg.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe
PID 1056 wrote to memory of 660	1056	23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe
"C:\Users\Admin\AppData\Local\Temp\23177b599c322119b7796bbfd6e8f0005ed1f3a6e51b28c19bfe85706cbc30ea.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:660

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "wuauclt" /t REG_SZ /d "C:\Users\Admin\AppData\Local\WinUpdate.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:268

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "wuauclt" /t REG_SZ /d "C:\Users\Admin\AppData\Local\WinUpdate.exe
3⤵
- Adds Run key to start application
PID:756

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:1644

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\009_1000.jpg
MD5
f872dbef1b21f5e9d6f42141b182a3ce

SHA1
5f14df484e47aaebf7b21270e6cac5ae62251607

SHA256
5f18bbf671e345f7e33bc008423454912214820be2915ac92c1886a36842c085

SHA512
bae710ce728755169b200080246eec2f7cb1c2fc4664ea4a1c7a911b76c20b7eed358a1c47d516b4ad4196769431dc8a4f362374b17fb719c60d524886b3e5cb

Download Submit
memory/268-0-0x0000000000000000-mapping.dmp

Download
memory/660-3-0x00000000004B5670-mapping.dmp

Download
memory/660-2-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/660-4-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/660-5-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/660-6-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/756-1-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads