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

748 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

2032 attrib.exe
Loads dropped DLL 1 IoCs

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

pid process

1752 5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

pid	process
748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

pid	process
2032	attrib.exe

pid	process
1752	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-1-5-21-335065374-4263250628-1829373619-1000\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 1752 set thread context of 748	1752	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 23 IoCs

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeSecurityPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeTakeOwnershipPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeLoadDriverPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeSystemProfilePrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeSystemtimePrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeProfSingleProcessPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeIncBasePriorityPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeCreatePagefilePrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeBackupPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeRestorePrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeShutdownPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeDebugPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeSystemEnvironmentPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeChangeNotifyPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeRemoteShutdownPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeUndockPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeManageVolumePrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeImpersonatePrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: SeCreateGlobalPrivilege	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: 33	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: 34	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
Token: 35	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

pid process

748 5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

pid	process
748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.execmd.exe

description	pid	process	target process
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 1752 wrote to memory of 748	1752	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
PID 748 wrote to memory of 1940	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	cmd.exe
PID 748 wrote to memory of 1940	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	cmd.exe
PID 748 wrote to memory of 1940	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	cmd.exe
PID 748 wrote to memory of 1940	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	cmd.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 748 wrote to memory of 880	748	5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe	notepad.exe
PID 1940 wrote to memory of 2032	1940	cmd.exe	attrib.exe
PID 1940 wrote to memory of 2032	1940	cmd.exe	attrib.exe
PID 1940 wrote to memory of 2032	1940	cmd.exe	attrib.exe
PID 1940 wrote to memory of 2032	1940	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

2032 attrib.exe

pid	process
2032	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
"C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
C:\Users\Admin\AppData\Local\Temp\5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef.exe
2⤵
- Modifies firewall policy service
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:748

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:1940

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:2032

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:880

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

System Information Discovery

1

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

MD5
051f250fd72cdbdc953e3c4d836cb514

SHA1
44d427d84c48cc3fd86d887150f0bbe732cae430

SHA256
5fa2570e3641c4048abd79604c149951ca69077787ce3e86d9a4798efe2fc4ef

SHA512
6c6901b0c34a0aac6f2a9022545385bfd235c1337f01758dc7a084da2305f805383334544b18cdba1c2bc7a732cddc4a1cfcf58cb9f2d4549e7a4e6b1ec0134a

Download Submit
memory/748-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-79-0x000000000048F000-0x0000000000491000-memory.dmp

Filesize
8KB

Download
memory/748-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-80-0x0000000000401000-0x000000000048F000-memory.dmp

Filesize
568KB

Download
memory/748-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-73-0x000000000048F888-mapping.dmp

Download
memory/748-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/748-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/880-82-0x0000000000000000-mapping.dmp

Download
memory/1752-77-0x0000000074E30000-0x00000000753DB000-memory.dmp

Filesize
5.7MB

Download
memory/1752-55-0x0000000074E30000-0x00000000753DB000-memory.dmp

Filesize
5.7MB

Download
memory/1752-56-0x0000000074E30000-0x00000000753DB000-memory.dmp

Filesize
5.7MB

Download
memory/1752-54-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1940-81-0x0000000000000000-mapping.dmp

Download
memory/2032-83-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads