darkcomet | f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 06:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
Size

520KB
MD5

17705720e760c663115260a1693becc3
SHA1

444d41ab035b90b971cbc7df34a9c0fac6069c04
SHA256

f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc
SHA512

c1b582123b9e99a6c301652ed9103d43eefeb0ff831069e399d23bf4ee33c581799224bedae6a1dd639a936d22414722f08b6768c5855c410da084cd418c8e6c
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbm:f9fC3hh29Ya77A90aFtDfT5IMbm

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
2648	winupd.exe
2784	winupd.exe
2636	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2072	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
2072	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
2648	winupd.exe
2648	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 2712 set thread context of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2648 set thread context of 2784	2648	winupd.exe	30
PID 2648 set thread context of 2636	2648	winupd.exe	31

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2636-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2636-97-0x0000000000400000-0x00000000004B7000-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	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	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.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
2552	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2832	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2636	winupd.exe
Token: SeSecurityPrivilege	2636	winupd.exe
Token: SeTakeOwnershipPrivilege	2636	winupd.exe
Token: SeLoadDriverPrivilege	2636	winupd.exe
Token: SeSystemProfilePrivilege	2636	winupd.exe
Token: SeSystemtimePrivilege	2636	winupd.exe
Token: SeProfSingleProcessPrivilege	2636	winupd.exe
Token: SeIncBasePriorityPrivilege	2636	winupd.exe
Token: SeCreatePagefilePrivilege	2636	winupd.exe
Token: SeBackupPrivilege	2636	winupd.exe
Token: SeRestorePrivilege	2636	winupd.exe
Token: SeShutdownPrivilege	2636	winupd.exe
Token: SeDebugPrivilege	2636	winupd.exe
Token: SeSystemEnvironmentPrivilege	2636	winupd.exe
Token: SeChangeNotifyPrivilege	2636	winupd.exe
Token: SeRemoteShutdownPrivilege	2636	winupd.exe
Token: SeUndockPrivilege	2636	winupd.exe
Token: SeManageVolumePrivilege	2636	winupd.exe
Token: SeImpersonatePrivilege	2636	winupd.exe
Token: SeCreateGlobalPrivilege	2636	winupd.exe
Token: 33	2636	winupd.exe
Token: 34	2636	winupd.exe
Token: 35	2636	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
2072	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
2648	winupd.exe
2784	winupd.exe
2636	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2712 wrote to memory of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2712 wrote to memory of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2712 wrote to memory of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2712 wrote to memory of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2712 wrote to memory of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2712 wrote to memory of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2712 wrote to memory of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2712 wrote to memory of 2072	2712	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	28
PID 2072 wrote to memory of 2648	2072	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	29
PID 2072 wrote to memory of 2648	2072	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	29
PID 2072 wrote to memory of 2648	2072	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	29
PID 2072 wrote to memory of 2648	2072	f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe	29
PID 2648 wrote to memory of 2784	2648	winupd.exe	30
PID 2648 wrote to memory of 2784	2648	winupd.exe	30
PID 2648 wrote to memory of 2784	2648	winupd.exe	30
PID 2648 wrote to memory of 2784	2648	winupd.exe	30
PID 2648 wrote to memory of 2784	2648	winupd.exe	30
PID 2648 wrote to memory of 2784	2648	winupd.exe	30
PID 2648 wrote to memory of 2784	2648	winupd.exe	30
PID 2648 wrote to memory of 2784	2648	winupd.exe	30
PID 2648 wrote to memory of 2784	2648	winupd.exe	30
PID 2648 wrote to memory of 2636	2648	winupd.exe	31
PID 2648 wrote to memory of 2636	2648	winupd.exe	31
PID 2648 wrote to memory of 2636	2648	winupd.exe	31
PID 2648 wrote to memory of 2636	2648	winupd.exe	31
PID 2648 wrote to memory of 2636	2648	winupd.exe	31
PID 2648 wrote to memory of 2636	2648	winupd.exe	31
PID 2784 wrote to memory of 2552	2784	winupd.exe	32
PID 2784 wrote to memory of 2552	2784	winupd.exe	32
PID 2784 wrote to memory of 2552	2784	winupd.exe	32
PID 2784 wrote to memory of 2552	2784	winupd.exe	32
PID 2784 wrote to memory of 2552	2784	winupd.exe	32
PID 2784 wrote to memory of 2552	2784	winupd.exe	32
PID 2648 wrote to memory of 2636	2648	winupd.exe	31
PID 2648 wrote to memory of 2636	2648	winupd.exe	31
PID 2552 wrote to memory of 1384	2552	ipconfig.exe	34
PID 2552 wrote to memory of 1384	2552	ipconfig.exe	34
PID 2552 wrote to memory of 1384	2552	ipconfig.exe	34
PID 2552 wrote to memory of 1384	2552	ipconfig.exe	34
PID 1384 wrote to memory of 2832	1384	cmd.exe	36
PID 1384 wrote to memory of 2832	1384	cmd.exe	36
PID 1384 wrote to memory of 2832	1384	cmd.exe	36
PID 1384 wrote to memory of 2832	1384	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
"C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe
  "C:\Users\Admin\AppData\Local\Temp\f1178b4f455c0e7eaed0a745e73daba143ae288e442de0de7a2f55a3ab1978bc.exe"
  2⤵
  - Loads dropped DLL
  - 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 -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:2648
  - - 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:2784
    - - 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:2552
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\MPEXVEXN.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1384
        
        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:2832
  - - 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:2636

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

Loading Replay Monitor...

Downloads

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

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
fc440934dbc299706903f69f95cd5c59

SHA1
0f742052749c129a88cba18125d0b2ea6f26818d

SHA256
c1a678e6a1803732eb1433a02827a5d5b1ba9e020185e06ef497f2831f6f2d42

SHA512
0e67c4dfafd08bfe9ca5db3afc6f74443cf4e733f711ba6affc4cc3472132c09817e25e9166fef6aabea6c88b99017a331fec578369178eb08717940ec08543c

Download Submit
memory/2072-77-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2072-15-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2072-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2072-9-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2072-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2072-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2552-60-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2636-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-66-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-68-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-70-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2636-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2648-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2648-72-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2648-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2712-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2712-21-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2712-19-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2712-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2712-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2784-81-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads