darkcomet | 3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 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
2400	winupd.exe
3856	winupd.exe
1708	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3452 set thread context of 1676	3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	96
PID 2400 set thread context of 3856	2400	winupd.exe	99
PID 2400 set thread context of 1708	2400	winupd.exe	100

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1708-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1708-50-0x0000000000400000-0x00000000004B7000-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
4528	636	WerFault.exe	101

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	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.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
636	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1708	winupd.exe
Token: SeSecurityPrivilege	1708	winupd.exe
Token: SeTakeOwnershipPrivilege	1708	winupd.exe
Token: SeLoadDriverPrivilege	1708	winupd.exe
Token: SeSystemProfilePrivilege	1708	winupd.exe
Token: SeSystemtimePrivilege	1708	winupd.exe
Token: SeProfSingleProcessPrivilege	1708	winupd.exe
Token: SeIncBasePriorityPrivilege	1708	winupd.exe
Token: SeCreatePagefilePrivilege	1708	winupd.exe
Token: SeBackupPrivilege	1708	winupd.exe
Token: SeRestorePrivilege	1708	winupd.exe
Token: SeShutdownPrivilege	1708	winupd.exe
Token: SeDebugPrivilege	1708	winupd.exe
Token: SeSystemEnvironmentPrivilege	1708	winupd.exe
Token: SeChangeNotifyPrivilege	1708	winupd.exe
Token: SeRemoteShutdownPrivilege	1708	winupd.exe
Token: SeUndockPrivilege	1708	winupd.exe
Token: SeManageVolumePrivilege	1708	winupd.exe
Token: SeImpersonatePrivilege	1708	winupd.exe
Token: SeCreateGlobalPrivilege	1708	winupd.exe
Token: 33	1708	winupd.exe
Token: 34	1708	winupd.exe
Token: 35	1708	winupd.exe
Token: 36	1708	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
1676	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
2400	winupd.exe
3856	winupd.exe
1708	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3452 wrote to memory of 1676	3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	96
PID 3452 wrote to memory of 1676	3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	96
PID 3452 wrote to memory of 1676	3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	96
PID 3452 wrote to memory of 1676	3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	96
PID 3452 wrote to memory of 1676	3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	96
PID 3452 wrote to memory of 1676	3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	96
PID 3452 wrote to memory of 1676	3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	96
PID 3452 wrote to memory of 1676	3452	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	96
PID 1676 wrote to memory of 2400	1676	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	97
PID 1676 wrote to memory of 2400	1676	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	97
PID 1676 wrote to memory of 2400	1676	3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe	97
PID 2400 wrote to memory of 3856	2400	winupd.exe	99
PID 2400 wrote to memory of 3856	2400	winupd.exe	99
PID 2400 wrote to memory of 3856	2400	winupd.exe	99
PID 2400 wrote to memory of 3856	2400	winupd.exe	99
PID 2400 wrote to memory of 3856	2400	winupd.exe	99
PID 2400 wrote to memory of 3856	2400	winupd.exe	99
PID 2400 wrote to memory of 3856	2400	winupd.exe	99
PID 2400 wrote to memory of 3856	2400	winupd.exe	99
PID 2400 wrote to memory of 1708	2400	winupd.exe	100
PID 2400 wrote to memory of 1708	2400	winupd.exe	100
PID 2400 wrote to memory of 1708	2400	winupd.exe	100
PID 2400 wrote to memory of 1708	2400	winupd.exe	100
PID 2400 wrote to memory of 1708	2400	winupd.exe	100
PID 2400 wrote to memory of 1708	2400	winupd.exe	100
PID 2400 wrote to memory of 1708	2400	winupd.exe	100
PID 2400 wrote to memory of 1708	2400	winupd.exe	100
PID 3856 wrote to memory of 636	3856	winupd.exe	101
PID 3856 wrote to memory of 636	3856	winupd.exe	101
PID 3856 wrote to memory of 636	3856	winupd.exe	101
PID 3856 wrote to memory of 636	3856	winupd.exe	101
PID 3856 wrote to memory of 636	3856	winupd.exe	101

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:3452
- C:\Users\Admin\AppData\Local\Temp\3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe
  "C:\Users\Admin\AppData\Local\Temp\3625d3f330c6e1a09237d12f061498c29f45d8084e50b603cb314d0017066d8e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1676
- - 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:2400
  - - 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:3856
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:636
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 272
        6⤵
        Program crash
        
        PID:4528
  - - 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:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 636 -ip 636
1⤵
PID:2508

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
d8272a1f8014081a7f7bdb6e7dc9f75f

SHA1
737e6a7e351958e48c62bd8709c147195e7a454c

SHA256
9a8db8e791f36fee3ec16dbf0b00528d5e86233c1259ee63cf0cee980ca078f6

SHA512
021918ec54e72ce1b467fa3990a20ca37dbaea2281c1948110145a9c64d2e3d35c9512a5e52ecd6483aebb68010faac0f1169f8c655929676b1038cd6bdb2f51

Download Submit
memory/1676-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1676-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1676-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1676-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1708-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1708-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2400-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2400-26-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2400-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3452-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3452-10-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3452-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3452-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3452-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3856-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download