darkcomet | 5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef

General

Target

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Size

1.1MB
MD5

051f250fd72cdbdc953e3c4d836cb514
SHA1

44d427d84c48cc3fd86d887150f0bbe732cae430
SHA256

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef
SHA512

6c6901b0c34a0aac6f2a9022545385bfd235c1337f01758dc7a084da2305f805383334544b18cdba1c2bc7a732cddc4a1cfcf58cb9f2d4549e7a4e6b1ec0134a

Score

10^/10

darkcomet n19 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

n19

C2

e44.no-ip.biz:1337

Mutex

DC_MUTEX-BTMHVCZ

Attributes

gencode
b79tyFR0J2jW
install
false
offline_keylogger
true
persistence
false

Signatures

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

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

Executes dropped EXE 1 IoCs

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

pid process

840 5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

800 attrib.exe

pid	process
840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

pid	process
800	attrib.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

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\V5FC58ZRWSGT43M3\\Gemon\\Product Version\\WindowsUpdate.exe\""	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

description	pid	process	target process
PID 2528 set thread context of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.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:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeSecurityPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeTakeOwnershipPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeLoadDriverPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeSystemProfilePrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeSystemtimePrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeProfSingleProcessPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeIncBasePriorityPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeCreatePagefilePrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeBackupPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeRestorePrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeShutdownPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeDebugPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeSystemEnvironmentPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeChangeNotifyPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeRemoteShutdownPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeUndockPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeManageVolumePrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeImpersonatePrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeCreateGlobalPrivilege	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: 33	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: 34	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: 35	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: 36	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

pid process

840 5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

pid	process
840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.execmd.exe

description	pid	process	target process
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 2528 wrote to memory of 840	2528	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 840 wrote to memory of 1404	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	cmd.exe
PID 840 wrote to memory of 1404	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	cmd.exe
PID 840 wrote to memory of 1404	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	cmd.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 840 wrote to memory of 2264	840	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 1404 wrote to memory of 800	1404	cmd.exe	attrib.exe
PID 1404 wrote to memory of 800	1404	cmd.exe	attrib.exe
PID 1404 wrote to memory of 800	1404	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

800 attrib.exe

pid	process
800	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
"C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2528

C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
2⤵
- Modifies firewall policy service
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:840

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe" +s +h
4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:800

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:2264

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Hidden Files and Directories

2

T1158

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Filesize
1.1MB

MD5
051f250fd72cdbdc953e3c4d836cb514

SHA1
44d427d84c48cc3fd86d887150f0bbe732cae430

SHA256
5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef

SHA512
6c6901b0c34a0aac6f2a9022545385bfd235c1337f01758dc7a084da2305f805383334544b18cdba1c2bc7a732cddc4a1cfcf58cb9f2d4549e7a4e6b1ec0134a

Download Submit
memory/800-139-0x0000000000000000-mapping.dmp

Download
memory/840-131-0x0000000000000000-mapping.dmp

Download
memory/840-132-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/840-134-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/840-135-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1404-137-0x0000000000000000-mapping.dmp

Download
memory/2264-138-0x0000000000000000-mapping.dmp

Download
memory/2528-130-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download
memory/2528-136-0x0000000074FC0000-0x0000000075571000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads