darkcomet | f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 05:33

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General

Target

f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe
Size

520KB
MD5

607ffce854561505f0c289268b600c7f
SHA1

8fd0e58e50ac18e3669066a49dee474add33cf9b
SHA256

f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad
SHA512

f5debd7dcd5d43852acf1a00b1e7633eb312e8e6c096c8b6cc225b16e18084aae6adcd42e1c5a052c28b826e7a1d9b8d3bad8ed9c77e2a7c8c5444bb6dc8224a
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbm:f9fC3hh29Ya77A90aFtDfT5IMbm

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
4644	winupd.exe
2612	winupd.exe
3164	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 4280	2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	97
PID 4644 set thread context of 2612	4644	winupd.exe	102
PID 4644 set thread context of 3164	4644	winupd.exe	103

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3164-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3164-55-0x0000000000400000-0x00000000004B7000-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
3024	2624	WerFault.exe

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	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.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
2624	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3164	winupd.exe
Token: SeSecurityPrivilege	3164	winupd.exe
Token: SeTakeOwnershipPrivilege	3164	winupd.exe
Token: SeLoadDriverPrivilege	3164	winupd.exe
Token: SeSystemProfilePrivilege	3164	winupd.exe
Token: SeSystemtimePrivilege	3164	winupd.exe
Token: SeProfSingleProcessPrivilege	3164	winupd.exe
Token: SeIncBasePriorityPrivilege	3164	winupd.exe
Token: SeCreatePagefilePrivilege	3164	winupd.exe
Token: SeBackupPrivilege	3164	winupd.exe
Token: SeRestorePrivilege	3164	winupd.exe
Token: SeShutdownPrivilege	3164	winupd.exe
Token: SeDebugPrivilege	3164	winupd.exe
Token: SeSystemEnvironmentPrivilege	3164	winupd.exe
Token: SeChangeNotifyPrivilege	3164	winupd.exe
Token: SeRemoteShutdownPrivilege	3164	winupd.exe
Token: SeUndockPrivilege	3164	winupd.exe
Token: SeManageVolumePrivilege	3164	winupd.exe
Token: SeImpersonatePrivilege	3164	winupd.exe
Token: SeCreateGlobalPrivilege	3164	winupd.exe
Token: 33	3164	winupd.exe
Token: 34	3164	winupd.exe
Token: 35	3164	winupd.exe
Token: 36	3164	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe
4280	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe
4644	winupd.exe
2612	winupd.exe
3164	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 4280	2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	97
PID 2512 wrote to memory of 4280	2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	97
PID 2512 wrote to memory of 4280	2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	97
PID 2512 wrote to memory of 4280	2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	97
PID 2512 wrote to memory of 4280	2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	97
PID 2512 wrote to memory of 4280	2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	97
PID 2512 wrote to memory of 4280	2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	97
PID 2512 wrote to memory of 4280	2512	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	97
PID 4280 wrote to memory of 4644	4280	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	98
PID 4280 wrote to memory of 4644	4280	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	98
PID 4280 wrote to memory of 4644	4280	f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe	98
PID 4644 wrote to memory of 2612	4644	winupd.exe	102
PID 4644 wrote to memory of 2612	4644	winupd.exe	102
PID 4644 wrote to memory of 2612	4644	winupd.exe	102
PID 4644 wrote to memory of 2612	4644	winupd.exe	102
PID 4644 wrote to memory of 2612	4644	winupd.exe	102
PID 4644 wrote to memory of 2612	4644	winupd.exe	102
PID 4644 wrote to memory of 2612	4644	winupd.exe	102
PID 4644 wrote to memory of 2612	4644	winupd.exe	102
PID 4644 wrote to memory of 3164	4644	winupd.exe	103
PID 4644 wrote to memory of 3164	4644	winupd.exe	103
PID 4644 wrote to memory of 3164	4644	winupd.exe	103
PID 4644 wrote to memory of 3164	4644	winupd.exe	103
PID 4644 wrote to memory of 3164	4644	winupd.exe	103
PID 4644 wrote to memory of 3164	4644	winupd.exe	103
PID 4644 wrote to memory of 3164	4644	winupd.exe	103
PID 4644 wrote to memory of 3164	4644	winupd.exe	103
PID 2612 wrote to memory of 2624	2612	winupd.exe	104
PID 2612 wrote to memory of 2624	2612	winupd.exe	104
PID 2612 wrote to memory of 2624	2612	winupd.exe	104
PID 2612 wrote to memory of 2624	2612	winupd.exe	104
PID 2612 wrote to memory of 2624	2612	winupd.exe	104

C:\Users\Admin\AppData\Local\Temp\f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe
"C:\Users\Admin\AppData\Local\Temp\f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe
  "C:\Users\Admin\AppData\Local\Temp\f9c87be6b800302e392ee1644db933638cc0728038f8731de02d4e6177965dad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4280
- - 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:4644
  - - 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:2612
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:2624
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 272
        6⤵
        Program crash
        
        PID:3024
  - - 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:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2624 -ip 2624
1⤵
PID:408

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

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Downloads

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

Filesize
520KB

MD5
9919136c73f172f52cf96701db638ee6

SHA1
37cd30886eb44dc67c1408752477aff46f4b58f7

SHA256
5c6182f17b8cb251b2a759fcd6153c42d33962439b8e7ad83342653dd558cbfd

SHA512
a8153a6760ce07740c3b074764252b476de0b53b20ac80910be28c52f0778d075358d6807e6e39878a87ae1706ae3ce037f22da8b6a599c4121b251d354e8a81

Download Submit
memory/2512-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2512-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2512-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2512-9-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2512-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2612-44-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3164-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3164-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4280-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4280-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4280-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4280-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4644-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4644-24-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4644-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download