darkcomet | 4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-11-2024 23:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe
Size

520KB
MD5

d4d59021825d613808c6d07794e1e2d5
SHA1

b570d4498144c6c028b4a87a28b8a64f7b698391
SHA256

4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41
SHA512

f518190fbfda39eee2d2c7825d353d7b86c73158cbfa7bf0026760488b6bdf4dc1432a8f79882a255cda11920a19ba4fea78e070d48e4208187964686cab59f2
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbt:f9fC3hh29Ya77A90aFtDfT5IMbt

Score

10^/10

darkcomet privateeye discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes

gencode
8GG5LVVGljSF
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
1864	winupd.exe
2228	winupd.exe
5104	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4352 set thread context of 4884	4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	103
PID 1864 set thread context of 2228	1864	winupd.exe	106
PID 1864 set thread context of 5104	1864	winupd.exe	107

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5104-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5104-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3720	1068	WerFault.exe	108

System Location Discovery: System Language Discovery 1 TTPs 5 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	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1068	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5104	winupd.exe
Token: SeSecurityPrivilege	5104	winupd.exe
Token: SeTakeOwnershipPrivilege	5104	winupd.exe
Token: SeLoadDriverPrivilege	5104	winupd.exe
Token: SeSystemProfilePrivilege	5104	winupd.exe
Token: SeSystemtimePrivilege	5104	winupd.exe
Token: SeProfSingleProcessPrivilege	5104	winupd.exe
Token: SeIncBasePriorityPrivilege	5104	winupd.exe
Token: SeCreatePagefilePrivilege	5104	winupd.exe
Token: SeBackupPrivilege	5104	winupd.exe
Token: SeRestorePrivilege	5104	winupd.exe
Token: SeShutdownPrivilege	5104	winupd.exe
Token: SeDebugPrivilege	5104	winupd.exe
Token: SeSystemEnvironmentPrivilege	5104	winupd.exe
Token: SeChangeNotifyPrivilege	5104	winupd.exe
Token: SeRemoteShutdownPrivilege	5104	winupd.exe
Token: SeUndockPrivilege	5104	winupd.exe
Token: SeManageVolumePrivilege	5104	winupd.exe
Token: SeImpersonatePrivilege	5104	winupd.exe
Token: SeCreateGlobalPrivilege	5104	winupd.exe
Token: 33	5104	winupd.exe
Token: 34	5104	winupd.exe
Token: 35	5104	winupd.exe
Token: 36	5104	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe
4884	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe
1864	winupd.exe
2228	winupd.exe
5104	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 4884	4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	103
PID 4352 wrote to memory of 4884	4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	103
PID 4352 wrote to memory of 4884	4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	103
PID 4352 wrote to memory of 4884	4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	103
PID 4352 wrote to memory of 4884	4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	103
PID 4352 wrote to memory of 4884	4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	103
PID 4352 wrote to memory of 4884	4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	103
PID 4352 wrote to memory of 4884	4352	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	103
PID 4884 wrote to memory of 1864	4884	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	104
PID 4884 wrote to memory of 1864	4884	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	104
PID 4884 wrote to memory of 1864	4884	4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe	104
PID 1864 wrote to memory of 2228	1864	winupd.exe	106
PID 1864 wrote to memory of 2228	1864	winupd.exe	106
PID 1864 wrote to memory of 2228	1864	winupd.exe	106
PID 1864 wrote to memory of 2228	1864	winupd.exe	106
PID 1864 wrote to memory of 2228	1864	winupd.exe	106
PID 1864 wrote to memory of 2228	1864	winupd.exe	106
PID 1864 wrote to memory of 2228	1864	winupd.exe	106
PID 1864 wrote to memory of 2228	1864	winupd.exe	106
PID 1864 wrote to memory of 5104	1864	winupd.exe	107
PID 1864 wrote to memory of 5104	1864	winupd.exe	107
PID 1864 wrote to memory of 5104	1864	winupd.exe	107
PID 1864 wrote to memory of 5104	1864	winupd.exe	107
PID 1864 wrote to memory of 5104	1864	winupd.exe	107
PID 1864 wrote to memory of 5104	1864	winupd.exe	107
PID 1864 wrote to memory of 5104	1864	winupd.exe	107
PID 1864 wrote to memory of 5104	1864	winupd.exe	107
PID 2228 wrote to memory of 1068	2228	winupd.exe	108
PID 2228 wrote to memory of 1068	2228	winupd.exe	108
PID 2228 wrote to memory of 1068	2228	winupd.exe	108
PID 2228 wrote to memory of 1068	2228	winupd.exe	108
PID 2228 wrote to memory of 1068	2228	winupd.exe	108

C:\Users\Admin\AppData\Local\Temp\4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe
"C:\Users\Admin\AppData\Local\Temp\4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4352
- C:\Users\Admin\AppData\Local\Temp\4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe
  "C:\Users\Admin\AppData\Local\Temp\4f6c3238851f570e902be85c53d9bcb4f589cb6fc2c652fd6ac5509ff26acc41.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1864
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2228
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:1068
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 272
        6⤵
        Program crash
        
        PID:3720
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:5104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1068 -ip 1068
1⤵
PID:436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
6b25a73b685b83917de90949021a4c80

SHA1
070e9162773f1ba38717d4506da862ba29572b68

SHA256
d007c57e1d3f5a93a3fe0663b4c52937e55f7c12ecf9f19fa86106ab452a4552

SHA512
a2738fb9e4db47db89229f76a3fd73ef67562ff09e3fc1e5e6737482bb990a26aeb84344f13bb4099d7afced94713d97789a47dee97fb3855187b0ca02cf54da

Download Submit
memory/1864-35-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1864-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1864-24-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2228-45-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2228-37-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4352-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4352-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4352-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4352-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4352-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4884-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4884-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4884-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4884-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/5104-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5104-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download