darkcomet | 43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659f

General

Target

43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659fN.exe
Size

729KB
MD5

6f2fcf21ba49874ed0681d510d5152d0
SHA1

3dea609de221de549e093017609f09968a8a5413
SHA256

43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659f
SHA512

2710bae37f5f290dd931555b680731af2ce440402f590f9fd4d8e2bca716798a43645d0cc75b7882f19cda96cf6ffab589b5eb28f2ba0bb5af304802c7a13326
SSDEEP

12288:uLU768X1JnK+62pn/XTBeB5vpAPN5DFY+4zSsva0beWTr+YzZNQPUFhpd4oSYxlh:z68PK+BNg9GY+4pbaYNNQIpdZSgh

Score

10^/10

darkcomet discovery rat trojan

Malware Config

Signatures

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659fN.exe

Executes dropped EXE 1 IoCs

pid	Process
4068	Crypted.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Crypted.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4068	Crypted.exe
Token: SeSecurityPrivilege	4068	Crypted.exe
Token: SeTakeOwnershipPrivilege	4068	Crypted.exe
Token: SeLoadDriverPrivilege	4068	Crypted.exe
Token: SeSystemProfilePrivilege	4068	Crypted.exe
Token: SeSystemtimePrivilege	4068	Crypted.exe
Token: SeProfSingleProcessPrivilege	4068	Crypted.exe
Token: SeIncBasePriorityPrivilege	4068	Crypted.exe
Token: SeCreatePagefilePrivilege	4068	Crypted.exe
Token: SeBackupPrivilege	4068	Crypted.exe
Token: SeRestorePrivilege	4068	Crypted.exe
Token: SeShutdownPrivilege	4068	Crypted.exe
Token: SeDebugPrivilege	4068	Crypted.exe
Token: SeSystemEnvironmentPrivilege	4068	Crypted.exe
Token: SeChangeNotifyPrivilege	4068	Crypted.exe
Token: SeRemoteShutdownPrivilege	4068	Crypted.exe
Token: SeUndockPrivilege	4068	Crypted.exe
Token: SeManageVolumePrivilege	4068	Crypted.exe
Token: SeImpersonatePrivilege	4068	Crypted.exe
Token: SeCreateGlobalPrivilege	4068	Crypted.exe
Token: 33	4068	Crypted.exe
Token: 34	4068	Crypted.exe
Token: 35	4068	Crypted.exe
Token: 36	4068	Crypted.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 4068	808	43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659fN.exe	82
PID 808 wrote to memory of 4068	808	43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659fN.exe	82
PID 808 wrote to memory of 4068	808	43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659fN.exe	82

C:\Users\Admin\AppData\Local\Temp\43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659fN.exe
"C:\Users\Admin\AppData\Local\Temp\43cb66688bfb750b12dbc3fe205e36f35c1bc4aaf863b6a93af0f71b241e659fN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:808
- C:\Users\Admin\AppData\Local\Temp\Crypted.exe
  "C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Crypted.exe

Filesize
707KB

MD5
1f61b9b8977809cab81778f41dd13d82

SHA1
9b8f94791ed4d4d5afa6d634f8d333345c0c7b71

SHA256
ca117f8ce78ddd1391c8481c1a936b8a375b0f402161915aa02dce0361084536

SHA512
24e504c44cef1f66d8417169349b00c0357cc477ac4a90ade189ae890a4d9968ca75918830b3c5a4c09d16374070f26fd87293ed4e52f57cca649819635445f9

Download Submit
memory/808-6-0x00000000058B0000-0x0000000005906000-memory.dmp

Filesize
344KB

Download
memory/808-1-0x0000000000B60000-0x0000000000B6E000-memory.dmp

Filesize
56KB

Download
memory/808-3-0x0000000005A70000-0x0000000006014000-memory.dmp

Filesize
5.6MB

Download
memory/808-4-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/808-5-0x0000000005510000-0x000000000551A000-memory.dmp

Filesize
40KB

Download
memory/808-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

Filesize
4KB

Download
memory/808-7-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/808-2-0x0000000005420000-0x00000000054BC000-memory.dmp

Filesize
624KB

Download
memory/808-18-0x0000000074CF0000-0x00000000754A0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-16-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/4068-19-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4068-20-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4068-23-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download
memory/4068-24-0x0000000000400000-0x00000000004C2000-memory.dmp

Filesize
776KB

Download

Analysis

Sharing