darkcomet | 524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 16:42

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General

Target

524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
Size

520KB
MD5

b5f9d5be9ef81d9df4c75d1cd858935d
SHA1

f9d069a7caf694868e72d3a966df3d6dd0c1d344
SHA256

524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5
SHA512

513b7eddde98d0ce24ed7916a894d0ed204705658f0b6906427b41ab04158f0d7cd6f3c3ae267e11b677462b655567d938aaa254d4647f216c33b92e4331a9b0
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb2:f9fC3hh29Ya77A90aFtDfT5IMb2

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
1908	winupd.exe
2168	winupd.exe
2864	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
3016	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
3016	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
1908	winupd.exe
1908	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-1-5-21-4177215427-74451935-3209572229-1000\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 2504 set thread context of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 1908 set thread context of 2168	1908	winupd.exe	32
PID 1908 set thread context of 2864	1908	winupd.exe	33

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2864-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-97-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-98-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2864-99-0x0000000000400000-0x00000000004B7000-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	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.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
2632	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2332	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2864	winupd.exe
Token: SeSecurityPrivilege	2864	winupd.exe
Token: SeTakeOwnershipPrivilege	2864	winupd.exe
Token: SeLoadDriverPrivilege	2864	winupd.exe
Token: SeSystemProfilePrivilege	2864	winupd.exe
Token: SeSystemtimePrivilege	2864	winupd.exe
Token: SeProfSingleProcessPrivilege	2864	winupd.exe
Token: SeIncBasePriorityPrivilege	2864	winupd.exe
Token: SeCreatePagefilePrivilege	2864	winupd.exe
Token: SeBackupPrivilege	2864	winupd.exe
Token: SeRestorePrivilege	2864	winupd.exe
Token: SeShutdownPrivilege	2864	winupd.exe
Token: SeDebugPrivilege	2864	winupd.exe
Token: SeSystemEnvironmentPrivilege	2864	winupd.exe
Token: SeChangeNotifyPrivilege	2864	winupd.exe
Token: SeRemoteShutdownPrivilege	2864	winupd.exe
Token: SeUndockPrivilege	2864	winupd.exe
Token: SeManageVolumePrivilege	2864	winupd.exe
Token: SeImpersonatePrivilege	2864	winupd.exe
Token: SeCreateGlobalPrivilege	2864	winupd.exe
Token: 33	2864	winupd.exe
Token: 34	2864	winupd.exe
Token: 35	2864	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
3016	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
1908	winupd.exe
2168	winupd.exe
2864	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2504 wrote to memory of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2504 wrote to memory of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2504 wrote to memory of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2504 wrote to memory of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2504 wrote to memory of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2504 wrote to memory of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2504 wrote to memory of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2504 wrote to memory of 3016	2504	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 3016 wrote to memory of 1908	3016	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	31
PID 3016 wrote to memory of 1908	3016	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	31
PID 3016 wrote to memory of 1908	3016	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	31
PID 3016 wrote to memory of 1908	3016	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	31
PID 1908 wrote to memory of 2168	1908	winupd.exe	32
PID 1908 wrote to memory of 2168	1908	winupd.exe	32
PID 1908 wrote to memory of 2168	1908	winupd.exe	32
PID 1908 wrote to memory of 2168	1908	winupd.exe	32
PID 1908 wrote to memory of 2168	1908	winupd.exe	32
PID 1908 wrote to memory of 2168	1908	winupd.exe	32
PID 1908 wrote to memory of 2168	1908	winupd.exe	32
PID 1908 wrote to memory of 2168	1908	winupd.exe	32
PID 1908 wrote to memory of 2168	1908	winupd.exe	32
PID 1908 wrote to memory of 2864	1908	winupd.exe	33
PID 1908 wrote to memory of 2864	1908	winupd.exe	33
PID 1908 wrote to memory of 2864	1908	winupd.exe	33
PID 1908 wrote to memory of 2864	1908	winupd.exe	33
PID 1908 wrote to memory of 2864	1908	winupd.exe	33
PID 1908 wrote to memory of 2864	1908	winupd.exe	33
PID 1908 wrote to memory of 2864	1908	winupd.exe	33
PID 1908 wrote to memory of 2864	1908	winupd.exe	33
PID 2168 wrote to memory of 2632	2168	winupd.exe	34
PID 2168 wrote to memory of 2632	2168	winupd.exe	34
PID 2168 wrote to memory of 2632	2168	winupd.exe	34
PID 2168 wrote to memory of 2632	2168	winupd.exe	34
PID 2168 wrote to memory of 2632	2168	winupd.exe	34
PID 2168 wrote to memory of 2632	2168	winupd.exe	34
PID 2632 wrote to memory of 2616	2632	ipconfig.exe	36
PID 2632 wrote to memory of 2616	2632	ipconfig.exe	36
PID 2632 wrote to memory of 2616	2632	ipconfig.exe	36
PID 2632 wrote to memory of 2616	2632	ipconfig.exe	36
PID 2616 wrote to memory of 2332	2616	cmd.exe	38
PID 2616 wrote to memory of 2332	2616	cmd.exe	38
PID 2616 wrote to memory of 2332	2616	cmd.exe	38
PID 2616 wrote to memory of 2332	2616	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
"C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
  "C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3016
- - 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:1908
  - - 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:2168
    - - 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:2632
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\LHVTKUNM.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2616
        
        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:2332
  - - 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:2864

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\LHVTKUNM.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
8b33fd9d7d44915d3e166af159b1af4f

SHA1
66e1755522898f425a976f17e63ef47dcc7c1cf3

SHA256
88aed17d6fabda0449c846ed454ce5adfeba1c1556e57898226b5741da6eed19

SHA512
1ea83db3a4107cd5d4c705bcba8b15d44664fcc48c1990f1be5f37ca6331e5c90a17a03bdd5138900111e77af6096f9cda4675c93e967fd97736a3ea9bd49012

Download Submit
memory/1908-64-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1908-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1908-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2168-83-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2504-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2504-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2504-22-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2504-21-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2504-16-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2504-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2632-73-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2864-68-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-99-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-98-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3016-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3016-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3016-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3016-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3016-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3016-72-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads