darkcomet | fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-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 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

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
2984	winupd.exe
2228	winupd.exe
2932	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2456	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
2456	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
2984	winupd.exe
2984	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-1-5-21-1163522206-1469769407-485553996-1000\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 684 set thread context of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 2984 set thread context of 2228	2984	winupd.exe	32
PID 2984 set thread context of 2932	2984	winupd.exe	33

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2932-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2932-97-0x0000000000400000-0x00000000004B7000-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	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
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	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	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
2716	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2100	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2932	winupd.exe
Token: SeSecurityPrivilege	2932	winupd.exe
Token: SeTakeOwnershipPrivilege	2932	winupd.exe
Token: SeLoadDriverPrivilege	2932	winupd.exe
Token: SeSystemProfilePrivilege	2932	winupd.exe
Token: SeSystemtimePrivilege	2932	winupd.exe
Token: SeProfSingleProcessPrivilege	2932	winupd.exe
Token: SeIncBasePriorityPrivilege	2932	winupd.exe
Token: SeCreatePagefilePrivilege	2932	winupd.exe
Token: SeBackupPrivilege	2932	winupd.exe
Token: SeRestorePrivilege	2932	winupd.exe
Token: SeShutdownPrivilege	2932	winupd.exe
Token: SeDebugPrivilege	2932	winupd.exe
Token: SeSystemEnvironmentPrivilege	2932	winupd.exe
Token: SeChangeNotifyPrivilege	2932	winupd.exe
Token: SeRemoteShutdownPrivilege	2932	winupd.exe
Token: SeUndockPrivilege	2932	winupd.exe
Token: SeManageVolumePrivilege	2932	winupd.exe
Token: SeImpersonatePrivilege	2932	winupd.exe
Token: SeCreateGlobalPrivilege	2932	winupd.exe
Token: 33	2932	winupd.exe
Token: 34	2932	winupd.exe
Token: 35	2932	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
2456	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
2984	winupd.exe
2228	winupd.exe
2932	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 684 wrote to memory of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 684 wrote to memory of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 684 wrote to memory of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 684 wrote to memory of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 684 wrote to memory of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 684 wrote to memory of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 684 wrote to memory of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 684 wrote to memory of 2456	684	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	30
PID 2456 wrote to memory of 2984	2456	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	31
PID 2456 wrote to memory of 2984	2456	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	31
PID 2456 wrote to memory of 2984	2456	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	31
PID 2456 wrote to memory of 2984	2456	fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe	31
PID 2984 wrote to memory of 2228	2984	winupd.exe	32
PID 2984 wrote to memory of 2228	2984	winupd.exe	32
PID 2984 wrote to memory of 2228	2984	winupd.exe	32
PID 2984 wrote to memory of 2228	2984	winupd.exe	32
PID 2984 wrote to memory of 2228	2984	winupd.exe	32
PID 2984 wrote to memory of 2228	2984	winupd.exe	32
PID 2984 wrote to memory of 2228	2984	winupd.exe	32
PID 2984 wrote to memory of 2228	2984	winupd.exe	32
PID 2984 wrote to memory of 2228	2984	winupd.exe	32
PID 2984 wrote to memory of 2932	2984	winupd.exe	33
PID 2984 wrote to memory of 2932	2984	winupd.exe	33
PID 2984 wrote to memory of 2932	2984	winupd.exe	33
PID 2984 wrote to memory of 2932	2984	winupd.exe	33
PID 2984 wrote to memory of 2932	2984	winupd.exe	33
PID 2984 wrote to memory of 2932	2984	winupd.exe	33
PID 2984 wrote to memory of 2932	2984	winupd.exe	33
PID 2984 wrote to memory of 2932	2984	winupd.exe	33
PID 2228 wrote to memory of 2716	2228	winupd.exe	34
PID 2228 wrote to memory of 2716	2228	winupd.exe	34
PID 2228 wrote to memory of 2716	2228	winupd.exe	34
PID 2228 wrote to memory of 2716	2228	winupd.exe	34
PID 2228 wrote to memory of 2716	2228	winupd.exe	34
PID 2228 wrote to memory of 2716	2228	winupd.exe	34
PID 2716 wrote to memory of 2700	2716	ipconfig.exe	36
PID 2716 wrote to memory of 2700	2716	ipconfig.exe	36
PID 2716 wrote to memory of 2700	2716	ipconfig.exe	36
PID 2716 wrote to memory of 2700	2716	ipconfig.exe	36
PID 2700 wrote to memory of 2100	2700	cmd.exe	38
PID 2700 wrote to memory of 2100	2700	cmd.exe	38
PID 2700 wrote to memory of 2100	2700	cmd.exe	38
PID 2700 wrote to memory of 2100	2700	cmd.exe	38

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:684
- C:\Users\Admin\AppData\Local\Temp\fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe
  "C:\Users\Admin\AppData\Local\Temp\fdcc1125280d4a5de64bb9d9aa4b035ab67ed5b823c2f206f3469593d8317160.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2456
- - 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:2984
  - - 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:2228
    - - 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:2716
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\NGWFNBBC.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2700
        
        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:2100
  - - 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:2932

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\NGWFNBBC.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
f296a28d3c10110ff77440caa9ba9433

SHA1
7972e45a5fab978aeb420d834321525371a20e4b

SHA256
6f32269d4cd6329d0788a1e5bdf565f978dcd95a14b2ab8621b026999602c491

SHA512
e478c48451331465710d090d9907490911662da2418e312d40d25c32ecab92b641fa4ca2be3c9379b0c75939268991b1332a1dad24469fb285d3dada74baf5fa

Download Submit
memory/684-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/684-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/684-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/684-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/684-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2228-81-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2456-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2456-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2456-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2456-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2456-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2456-68-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2716-70-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2932-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2932-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2984-35-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2984-62-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2984-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads