darkcomet | fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
23/03/2025, 22:45

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General

Target

fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
Size

520KB
MD5

4d2a1ccacb5b6701eff72c44c0ad0e3a
SHA1

3f4d593feb1636a938f374319924c29b3a4fe894
SHA256

fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160
SHA512

4b37a9a11545813b8e60a97aad73c4580de3330cc953e98eeb93a103d626128a41321a930cb98b97062e1f2506c5654e6104ef9dd5b459678b288dc054f33cb6
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbQ:f9fC3hh29Ya77A90aFtDfT5IMbQ

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

rc4.plain

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
2072	winupd.exe
904	winupd.exe
3324	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2500 set thread context of 4068	2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	97
PID 2072 set thread context of 904	2072	winupd.exe	104
PID 2072 set thread context of 3324	2072	winupd.exe	105

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3324-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3324-57-0x0000000000400000-0x00000000004B7000-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
3928	2924	WerFault.exe	106

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	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.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	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.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
2924	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3324	winupd.exe
Token: SeSecurityPrivilege	3324	winupd.exe
Token: SeTakeOwnershipPrivilege	3324	winupd.exe
Token: SeLoadDriverPrivilege	3324	winupd.exe
Token: SeSystemProfilePrivilege	3324	winupd.exe
Token: SeSystemtimePrivilege	3324	winupd.exe
Token: SeProfSingleProcessPrivilege	3324	winupd.exe
Token: SeIncBasePriorityPrivilege	3324	winupd.exe
Token: SeCreatePagefilePrivilege	3324	winupd.exe
Token: SeBackupPrivilege	3324	winupd.exe
Token: SeRestorePrivilege	3324	winupd.exe
Token: SeShutdownPrivilege	3324	winupd.exe
Token: SeDebugPrivilege	3324	winupd.exe
Token: SeSystemEnvironmentPrivilege	3324	winupd.exe
Token: SeChangeNotifyPrivilege	3324	winupd.exe
Token: SeRemoteShutdownPrivilege	3324	winupd.exe
Token: SeUndockPrivilege	3324	winupd.exe
Token: SeManageVolumePrivilege	3324	winupd.exe
Token: SeImpersonatePrivilege	3324	winupd.exe
Token: SeCreateGlobalPrivilege	3324	winupd.exe
Token: 33	3324	winupd.exe
Token: 34	3324	winupd.exe
Token: 35	3324	winupd.exe
Token: 36	3324	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
4068	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
2072	winupd.exe
904	winupd.exe
3324	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 4068	2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	97
PID 2500 wrote to memory of 4068	2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	97
PID 2500 wrote to memory of 4068	2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	97
PID 2500 wrote to memory of 4068	2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	97
PID 2500 wrote to memory of 4068	2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	97
PID 2500 wrote to memory of 4068	2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	97
PID 2500 wrote to memory of 4068	2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	97
PID 2500 wrote to memory of 4068	2500	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	97
PID 4068 wrote to memory of 2072	4068	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	98
PID 4068 wrote to memory of 2072	4068	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	98
PID 4068 wrote to memory of 2072	4068	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	98
PID 2072 wrote to memory of 904	2072	winupd.exe	104
PID 2072 wrote to memory of 904	2072	winupd.exe	104
PID 2072 wrote to memory of 904	2072	winupd.exe	104
PID 2072 wrote to memory of 904	2072	winupd.exe	104
PID 2072 wrote to memory of 904	2072	winupd.exe	104
PID 2072 wrote to memory of 904	2072	winupd.exe	104
PID 2072 wrote to memory of 904	2072	winupd.exe	104
PID 2072 wrote to memory of 904	2072	winupd.exe	104
PID 2072 wrote to memory of 3324	2072	winupd.exe	105
PID 2072 wrote to memory of 3324	2072	winupd.exe	105
PID 2072 wrote to memory of 3324	2072	winupd.exe	105
PID 2072 wrote to memory of 3324	2072	winupd.exe	105
PID 2072 wrote to memory of 3324	2072	winupd.exe	105
PID 2072 wrote to memory of 3324	2072	winupd.exe	105
PID 2072 wrote to memory of 3324	2072	winupd.exe	105
PID 2072 wrote to memory of 3324	2072	winupd.exe	105
PID 904 wrote to memory of 2924	904	winupd.exe	106
PID 904 wrote to memory of 2924	904	winupd.exe	106
PID 904 wrote to memory of 2924	904	winupd.exe	106
PID 904 wrote to memory of 2924	904	winupd.exe	106
PID 904 wrote to memory of 2924	904	winupd.exe	106

C:\Users\Admin\AppData\Local\Temp\fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
"C:\Users\Admin\AppData\Local\Temp\fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
  "C:\Users\Admin\AppData\Local\Temp\fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4068
- - 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:2072
  - - 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:904
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:2924
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2924 -s 272
        6⤵
        Program crash
        
        PID:3928
  - - 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:3324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2924 -ip 2924
1⤵
PID:5952

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
b9bfaa10f901c111152064baa4f83724

SHA1
841a1a8bcc2c1fe10010b911553d2601100176e0

SHA256
338033139db45bbe9cbed3eb52d48b33e6460aebbb3a318cee80e86f0b608be2

SHA512
f396872b79cb6d130dcc55198857b71684f0ccf9bf1cb2bfe910d7d9cabc2c2730011d35131bb36536222f486cf0ff7f0f479c9e52c3f1ef11d7ff8a76eb0246

Download Submit
memory/904-43-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2072-24-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2072-26-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2072-39-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2500-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2500-12-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2500-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2500-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2500-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3324-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3324-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4068-9-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4068-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4068-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4068-22-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download