darkcomet | 2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 21:04

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General

Target

2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
Size

520KB
MD5

5e0b2bc839de9893f2c78ecd5d53ab88
SHA1

588785a0d25f6a34e9fc1499364e10f9e0b83338
SHA256

2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492
SHA512

5b8556aaeaa8fb0c9626e546dc5f7a0b4f39a4e92b0973b4a896e0a595cf424a46d37024ccefed641c582d31ee448df95c77d07b2a2f52441d507f8ba3124a3d
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbq:f9fC3hh29Ya77A90aFtDfT5IMbq

Score

10^/10

darkcomet privateeye discovery persistence 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
2632	winupd.exe
2708	winupd.exe
2616	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2804	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
2804	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
2632	winupd.exe
2632	winupd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2632 set thread context of 2708	2632	winupd.exe	33
PID 2632 set thread context of 2616	2632	winupd.exe	34

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2616-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-97-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2616-98-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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 8 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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.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

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
2904	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
700	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2616	winupd.exe
Token: SeSecurityPrivilege	2616	winupd.exe
Token: SeTakeOwnershipPrivilege	2616	winupd.exe
Token: SeLoadDriverPrivilege	2616	winupd.exe
Token: SeSystemProfilePrivilege	2616	winupd.exe
Token: SeSystemtimePrivilege	2616	winupd.exe
Token: SeProfSingleProcessPrivilege	2616	winupd.exe
Token: SeIncBasePriorityPrivilege	2616	winupd.exe
Token: SeCreatePagefilePrivilege	2616	winupd.exe
Token: SeBackupPrivilege	2616	winupd.exe
Token: SeRestorePrivilege	2616	winupd.exe
Token: SeShutdownPrivilege	2616	winupd.exe
Token: SeDebugPrivilege	2616	winupd.exe
Token: SeSystemEnvironmentPrivilege	2616	winupd.exe
Token: SeChangeNotifyPrivilege	2616	winupd.exe
Token: SeRemoteShutdownPrivilege	2616	winupd.exe
Token: SeUndockPrivilege	2616	winupd.exe
Token: SeManageVolumePrivilege	2616	winupd.exe
Token: SeImpersonatePrivilege	2616	winupd.exe
Token: SeCreateGlobalPrivilege	2616	winupd.exe
Token: 33	2616	winupd.exe
Token: 34	2616	winupd.exe
Token: 35	2616	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
2804	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
2632	winupd.exe
2708	winupd.exe
2616	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2744 wrote to memory of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2744 wrote to memory of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2744 wrote to memory of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2744 wrote to memory of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2744 wrote to memory of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2744 wrote to memory of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2744 wrote to memory of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2744 wrote to memory of 2804	2744	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	31
PID 2804 wrote to memory of 2632	2804	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	32
PID 2804 wrote to memory of 2632	2804	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	32
PID 2804 wrote to memory of 2632	2804	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	32
PID 2804 wrote to memory of 2632	2804	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	32
PID 2632 wrote to memory of 2708	2632	winupd.exe	33
PID 2632 wrote to memory of 2708	2632	winupd.exe	33
PID 2632 wrote to memory of 2708	2632	winupd.exe	33
PID 2632 wrote to memory of 2708	2632	winupd.exe	33
PID 2632 wrote to memory of 2708	2632	winupd.exe	33
PID 2632 wrote to memory of 2708	2632	winupd.exe	33
PID 2632 wrote to memory of 2708	2632	winupd.exe	33
PID 2632 wrote to memory of 2708	2632	winupd.exe	33
PID 2632 wrote to memory of 2708	2632	winupd.exe	33
PID 2632 wrote to memory of 2616	2632	winupd.exe	34
PID 2632 wrote to memory of 2616	2632	winupd.exe	34
PID 2632 wrote to memory of 2616	2632	winupd.exe	34
PID 2632 wrote to memory of 2616	2632	winupd.exe	34
PID 2632 wrote to memory of 2616	2632	winupd.exe	34
PID 2632 wrote to memory of 2616	2632	winupd.exe	34
PID 2632 wrote to memory of 2616	2632	winupd.exe	34
PID 2632 wrote to memory of 2616	2632	winupd.exe	34
PID 2708 wrote to memory of 2904	2708	winupd.exe	35
PID 2708 wrote to memory of 2904	2708	winupd.exe	35
PID 2708 wrote to memory of 2904	2708	winupd.exe	35
PID 2708 wrote to memory of 2904	2708	winupd.exe	35
PID 2708 wrote to memory of 2904	2708	winupd.exe	35
PID 2708 wrote to memory of 2904	2708	winupd.exe	35
PID 2904 wrote to memory of 2640	2904	ipconfig.exe	37
PID 2904 wrote to memory of 2640	2904	ipconfig.exe	37
PID 2904 wrote to memory of 2640	2904	ipconfig.exe	37
PID 2904 wrote to memory of 2640	2904	ipconfig.exe	37
PID 2640 wrote to memory of 700	2640	cmd.exe	39
PID 2640 wrote to memory of 700	2640	cmd.exe	39
PID 2640 wrote to memory of 700	2640	cmd.exe	39
PID 2640 wrote to memory of 700	2640	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
"C:\Users\Admin\AppData\Local\Temp\2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
  "C:\Users\Admin\AppData\Local\Temp\2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2632
  - - 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:2708
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:2904
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\EAWOUNDN.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2640
        
        C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f
        7⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:700
  - - 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:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\EAWOUNDN.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
663525d835a1becb97308b35806c0ddf

SHA1
9f4b0ed9501dbeb925b12064f43f9678c0b80f7a

SHA256
bd2daefbd4717aba3bfbfa306cc0dad15d2f6a3e02c2ea909384d0fa517b73f3

SHA512
ff329d9848117733321b8ad1bfffafc21c67d9d8d5f6cfa2b6dc5fa01409040f030cd66a50034642a2bac8126230376b940136fb98709a06e22d1738de490354

Download Submit
memory/2616-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-98-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2616-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2632-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2632-63-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2632-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2708-82-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2744-17-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2744-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2744-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2744-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2744-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2804-75-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2804-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2804-9-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2804-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2804-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2804-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2904-69-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads