darkcomet | 7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

Analysis

max time kernel
143s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2023, 15:12

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General

Target

easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Size

658KB
MD5

1878bc4d675f08aa10ffcd1a4e1026da
SHA1

00e8481171e260dd7993cd3e78c7d2540b4b62b7
SHA256

7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c
SHA512

b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24
SSDEEP

12288:O9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFh:aiBIGkbxqEcjsWiDxguehC2SG

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

192.168.0.2:1604

Mutex

DCMIN_MUTEX-G5WFLF3

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
mWmDvgFKEV9i
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	IMDCSC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeSecurityPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeTakeOwnershipPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeLoadDriverPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeSystemProfilePrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeSystemtimePrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeProfSingleProcessPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeIncBasePriorityPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeCreatePagefilePrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeBackupPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeRestorePrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeShutdownPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeDebugPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeSystemEnvironmentPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeChangeNotifyPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeRemoteShutdownPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeUndockPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeManageVolumePrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeImpersonatePrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeCreateGlobalPrivilege	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: 33	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: 34	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: 35	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: 36	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
Token: SeIncreaseQuotaPrivilege	1800	IMDCSC.exe
Token: SeSecurityPrivilege	1800	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1800	IMDCSC.exe
Token: SeLoadDriverPrivilege	1800	IMDCSC.exe
Token: SeSystemProfilePrivilege	1800	IMDCSC.exe
Token: SeSystemtimePrivilege	1800	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1800	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1800	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1800	IMDCSC.exe
Token: SeBackupPrivilege	1800	IMDCSC.exe
Token: SeRestorePrivilege	1800	IMDCSC.exe
Token: SeShutdownPrivilege	1800	IMDCSC.exe
Token: SeDebugPrivilege	1800	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1800	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1800	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1800	IMDCSC.exe
Token: SeUndockPrivilege	1800	IMDCSC.exe
Token: SeManageVolumePrivilege	1800	IMDCSC.exe
Token: SeImpersonatePrivilege	1800	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1800	IMDCSC.exe
Token: 33	1800	IMDCSC.exe
Token: 34	1800	IMDCSC.exe
Token: 35	1800	IMDCSC.exe
Token: 36	1800	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1800	IMDCSC.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 1800	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe	84
PID 4404 wrote to memory of 1800	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe	84
PID 4404 wrote to memory of 1800	4404	easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe	84

C:\Users\Admin\AppData\Local\Temp\easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe
"C:\Users\Admin\AppData\Local\Temp\easy_Malicious_1ba4cc6d802de1c1a179117e03f1524a7579653d53de88a7dc527e47fd9adf3c.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4404
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1800

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
1878bc4d675f08aa10ffcd1a4e1026da

SHA1
00e8481171e260dd7993cd3e78c7d2540b4b62b7

SHA256
7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

SHA512
b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
1878bc4d675f08aa10ffcd1a4e1026da

SHA1
00e8481171e260dd7993cd3e78c7d2540b4b62b7

SHA256
7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

SHA512
b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
658KB

MD5
1878bc4d675f08aa10ffcd1a4e1026da

SHA1
00e8481171e260dd7993cd3e78c7d2540b4b62b7

SHA256
7c991d5219b23477c29613b3885640c1ba5a3c10c18965eb81f52f560339855c

SHA512
b27123cb226fec538a5e344017a3229398006f5ff09f30588ddc64c826678e9a4f43b1631cbb935c5f88bbf127a77a86c3f776f31d4cb92ffa7c35432bcc2b24

Download Submit
memory/1800-145-0x0000000002130000-0x0000000002131000-memory.dmp

Filesize
4KB

Download
memory/1800-147-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1800-149-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4404-133-0x00000000024C0000-0x00000000024C1000-memory.dmp

Filesize
4KB

Download
memory/4404-146-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads