darkcomet | 3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 10:32

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General

Target

3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
Size

520KB
MD5

01996f17848d79b3f8c43d67dd4f5b50
SHA1

25b5c0c0083c79db3844ec50ee1566d7801d1a42
SHA256

3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e
SHA512

916b4c777cf1ae0988c7e8dad50dbf0f6daf509bbba4c7aad3af29a2c186a1fb4ccf54a3dd5fbb4b6961067c210db231e5ef2a5dffc6afe98da518e957dd54f3
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb4:f9fC3hh29Ya77A90aFtDfT5IMb4

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
2280	winupd.exe
2840	winupd.exe
2928	winupd.exe

Loads dropped DLL 2 IoCs

pid	Process
2376	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
2376	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.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-1-5-21-2703099537-420551529-3771253338-1000\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 1744 set thread context of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 2280 set thread context of 2840	2280	winupd.exe	31
PID 2280 set thread context of 2928	2280	winupd.exe	32

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2928-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-57-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-80-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-92-0x0000000000400000-0x00000000004B7000-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	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.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
2636	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2628	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2928	winupd.exe
Token: SeSecurityPrivilege	2928	winupd.exe
Token: SeTakeOwnershipPrivilege	2928	winupd.exe
Token: SeLoadDriverPrivilege	2928	winupd.exe
Token: SeSystemProfilePrivilege	2928	winupd.exe
Token: SeSystemtimePrivilege	2928	winupd.exe
Token: SeProfSingleProcessPrivilege	2928	winupd.exe
Token: SeIncBasePriorityPrivilege	2928	winupd.exe
Token: SeCreatePagefilePrivilege	2928	winupd.exe
Token: SeBackupPrivilege	2928	winupd.exe
Token: SeRestorePrivilege	2928	winupd.exe
Token: SeShutdownPrivilege	2928	winupd.exe
Token: SeDebugPrivilege	2928	winupd.exe
Token: SeSystemEnvironmentPrivilege	2928	winupd.exe
Token: SeChangeNotifyPrivilege	2928	winupd.exe
Token: SeRemoteShutdownPrivilege	2928	winupd.exe
Token: SeUndockPrivilege	2928	winupd.exe
Token: SeManageVolumePrivilege	2928	winupd.exe
Token: SeImpersonatePrivilege	2928	winupd.exe
Token: SeCreateGlobalPrivilege	2928	winupd.exe
Token: 33	2928	winupd.exe
Token: 34	2928	winupd.exe
Token: 35	2928	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
2376	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
2280	winupd.exe
2840	winupd.exe
2928	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 1744 wrote to memory of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 1744 wrote to memory of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 1744 wrote to memory of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 1744 wrote to memory of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 1744 wrote to memory of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 1744 wrote to memory of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 1744 wrote to memory of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 1744 wrote to memory of 2376	1744	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	29
PID 2376 wrote to memory of 2280	2376	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	30
PID 2376 wrote to memory of 2280	2376	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	30
PID 2376 wrote to memory of 2280	2376	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	30
PID 2376 wrote to memory of 2280	2376	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	30
PID 2280 wrote to memory of 2840	2280	winupd.exe	31
PID 2280 wrote to memory of 2840	2280	winupd.exe	31
PID 2280 wrote to memory of 2840	2280	winupd.exe	31
PID 2280 wrote to memory of 2840	2280	winupd.exe	31
PID 2280 wrote to memory of 2840	2280	winupd.exe	31
PID 2280 wrote to memory of 2840	2280	winupd.exe	31
PID 2280 wrote to memory of 2840	2280	winupd.exe	31
PID 2280 wrote to memory of 2840	2280	winupd.exe	31
PID 2280 wrote to memory of 2840	2280	winupd.exe	31
PID 2280 wrote to memory of 2928	2280	winupd.exe	32
PID 2280 wrote to memory of 2928	2280	winupd.exe	32
PID 2280 wrote to memory of 2928	2280	winupd.exe	32
PID 2280 wrote to memory of 2928	2280	winupd.exe	32
PID 2280 wrote to memory of 2928	2280	winupd.exe	32
PID 2280 wrote to memory of 2928	2280	winupd.exe	32
PID 2280 wrote to memory of 2928	2280	winupd.exe	32
PID 2280 wrote to memory of 2928	2280	winupd.exe	32
PID 2840 wrote to memory of 2636	2840	winupd.exe	33
PID 2840 wrote to memory of 2636	2840	winupd.exe	33
PID 2840 wrote to memory of 2636	2840	winupd.exe	33
PID 2840 wrote to memory of 2636	2840	winupd.exe	33
PID 2840 wrote to memory of 2636	2840	winupd.exe	33
PID 2840 wrote to memory of 2636	2840	winupd.exe	33
PID 2636 wrote to memory of 2144	2636	ipconfig.exe	35
PID 2636 wrote to memory of 2144	2636	ipconfig.exe	35
PID 2636 wrote to memory of 2144	2636	ipconfig.exe	35
PID 2636 wrote to memory of 2144	2636	ipconfig.exe	35
PID 2144 wrote to memory of 2628	2144	cmd.exe	37
PID 2144 wrote to memory of 2628	2144	cmd.exe	37
PID 2144 wrote to memory of 2628	2144	cmd.exe	37
PID 2144 wrote to memory of 2628	2144	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
"C:\Users\Admin\AppData\Local\Temp\3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Users\Admin\AppData\Local\Temp\3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
  "C:\Users\Admin\AppData\Local\Temp\3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2376
- - 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:2280
  - - 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:2840
    - - 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:2636
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\GUQTWVXJ.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2144
        
        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:2628
  - - 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:2928

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

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Downloads

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

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
fec2fe0f4199b289d3475ce7cf91264d

SHA1
72176d3c770745d444a9a307621e6d839c819fb8

SHA256
258c7b5b99adc9940072ed3e9a312110e718e0b17c4bc58fc14ade8f6cdcaa26

SHA512
05d2fefb77b17c9276cec91dbb7ed4ba0ae40c923e564b481d600546855765e65ac807305b4b854e97fcb748ee614ef5a0dbb3decc3e8dc234849fc9a7e4d378

Download Submit
memory/1744-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1744-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1744-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1744-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1744-16-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2280-60-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2280-54-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2280-61-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2280-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2376-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2376-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2376-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2376-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2376-66-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2376-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-74-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2840-79-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2928-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-80-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads