darkcomet | aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 19:14

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General

Target

aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe
Size

1.1MB
MD5

49fc97af2d9c6cae7e412ae548e7edd8
SHA1

f6c969bcab3ae6ab2116708ab002828e7482c5f7
SHA256

aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1
SHA512

a7f151c9adae93329d14ccff453b13de250f5978cc28e8a1f78ad74469a0d12951c837604d11f24ff9268d1548fc63ae3e69b6eadf2ac9870ad6bad0ea2ee49a
SSDEEP

24576:RBkVdlYACfZQ+aS2HnJV54K0q6tHXsk+vZmE:/svCfj/wV5GtHBcx

Score

10^/10

darkcomet guest16 rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

5.tcp.eu.ngrok.io:13559

Mutex

DC_MUTEX-RYGWV09

Attributes

gencode
iM649R849fl9
install
false
offline_keylogger
true
persistence
false

Signatures

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

Processes:

aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe

Executes dropped EXE 1 IoCs

Processes:

егорыч.exe

pid	Process
3716	егорыч.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

Processes:

flow	ioc
32	5.tcp.eu.ngrok.io

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

егорыч.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3716	егорыч.exe
Token: SeSecurityPrivilege	3716	егорыч.exe
Token: SeTakeOwnershipPrivilege	3716	егорыч.exe
Token: SeLoadDriverPrivilege	3716	егорыч.exe
Token: SeSystemProfilePrivilege	3716	егорыч.exe
Token: SeSystemtimePrivilege	3716	егорыч.exe
Token: SeProfSingleProcessPrivilege	3716	егорыч.exe
Token: SeIncBasePriorityPrivilege	3716	егорыч.exe
Token: SeCreatePagefilePrivilege	3716	егорыч.exe
Token: SeBackupPrivilege	3716	егорыч.exe
Token: SeRestorePrivilege	3716	егорыч.exe
Token: SeShutdownPrivilege	3716	егорыч.exe
Token: SeDebugPrivilege	3716	егорыч.exe
Token: SeSystemEnvironmentPrivilege	3716	егорыч.exe
Token: SeChangeNotifyPrivilege	3716	егорыч.exe
Token: SeRemoteShutdownPrivilege	3716	егорыч.exe
Token: SeUndockPrivilege	3716	егорыч.exe
Token: SeManageVolumePrivilege	3716	егорыч.exe
Token: SeImpersonatePrivilege	3716	егорыч.exe
Token: SeCreateGlobalPrivilege	3716	егорыч.exe
Token: 33	3716	егорыч.exe
Token: 34	3716	егорыч.exe
Token: 35	3716	егорыч.exe
Token: 36	3716	егорыч.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

егорыч.exe

pid	Process
3716	егорыч.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe

description	pid	Process	procid_target
PID 2756 wrote to memory of 3716	2756	aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe	93
PID 2756 wrote to memory of 3716	2756	aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe	93
PID 2756 wrote to memory of 3716	2756	aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe	93

C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe
"C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe

Filesize
658KB

MD5
c4f0b78a6fae84edab5e00f55a5e74e9

SHA1
0b9608a0db03faa4b219c0ccb3f89c094d5a736d

SHA256
b2401024feb120662c7b58d8fab4e5879cfa11f3c2ca55528a101ab1a52afcf8

SHA512
7bce618f0fd6b03f1b1072f5171ba1fd94d7b373836a5c7faa8eb6b0ba735c91a7c209c59d3e581a01a245bda1645575f3a19e9c7fe0491602a807138084b2c2

Download Submit
memory/3716-14-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/3716-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download