darkcomet | 917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c

Analysis

max time kernel
150s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17/12/2024, 00:50

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General

Target

917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
Size

520KB
MD5

3bdc5ddad06f63a72016d133ba2f118d
SHA1

b9b180f3f9e7fcb5f37063b1761673cbce27ca2a
SHA256

917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c
SHA512

581d37cde0df25c0f463e5cae287f688c52e5e0542a1a9f3e4df14076f8067889797888623ca9eeba712f27d2ce48e40770768a97dd52c2257d63a982876f0d5
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbA:f9fC3hh29Ya77A90aFtDfT5IMbA

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
2964	winupd.exe
2144	winupd.exe
2732	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2328	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
2328	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
2964	winupd.exe
2964	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-1-5-21-2703099537-420551529-3771253338-1000\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 1760 set thread context of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 2964 set thread context of 2144	2964	winupd.exe	32
PID 2964 set thread context of 2732	2964	winupd.exe	33

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2732-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-97-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-98-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2732-99-0x0000000000400000-0x00000000004B7000-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	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	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.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
1420	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2732	winupd.exe
Token: SeSecurityPrivilege	2732	winupd.exe
Token: SeTakeOwnershipPrivilege	2732	winupd.exe
Token: SeLoadDriverPrivilege	2732	winupd.exe
Token: SeSystemProfilePrivilege	2732	winupd.exe
Token: SeSystemtimePrivilege	2732	winupd.exe
Token: SeProfSingleProcessPrivilege	2732	winupd.exe
Token: SeIncBasePriorityPrivilege	2732	winupd.exe
Token: SeCreatePagefilePrivilege	2732	winupd.exe
Token: SeBackupPrivilege	2732	winupd.exe
Token: SeRestorePrivilege	2732	winupd.exe
Token: SeShutdownPrivilege	2732	winupd.exe
Token: SeDebugPrivilege	2732	winupd.exe
Token: SeSystemEnvironmentPrivilege	2732	winupd.exe
Token: SeChangeNotifyPrivilege	2732	winupd.exe
Token: SeRemoteShutdownPrivilege	2732	winupd.exe
Token: SeUndockPrivilege	2732	winupd.exe
Token: SeManageVolumePrivilege	2732	winupd.exe
Token: SeImpersonatePrivilege	2732	winupd.exe
Token: SeCreateGlobalPrivilege	2732	winupd.exe
Token: 33	2732	winupd.exe
Token: 34	2732	winupd.exe
Token: 35	2732	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
2328	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
2964	winupd.exe
2144	winupd.exe
2732	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 1760 wrote to memory of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 1760 wrote to memory of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 1760 wrote to memory of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 1760 wrote to memory of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 1760 wrote to memory of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 1760 wrote to memory of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 1760 wrote to memory of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 1760 wrote to memory of 2328	1760	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	30
PID 2328 wrote to memory of 2964	2328	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	31
PID 2328 wrote to memory of 2964	2328	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	31
PID 2328 wrote to memory of 2964	2328	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	31
PID 2328 wrote to memory of 2964	2328	917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe	31
PID 2964 wrote to memory of 2144	2964	winupd.exe	32
PID 2964 wrote to memory of 2144	2964	winupd.exe	32
PID 2964 wrote to memory of 2144	2964	winupd.exe	32
PID 2964 wrote to memory of 2144	2964	winupd.exe	32
PID 2964 wrote to memory of 2144	2964	winupd.exe	32
PID 2964 wrote to memory of 2144	2964	winupd.exe	32
PID 2964 wrote to memory of 2144	2964	winupd.exe	32
PID 2964 wrote to memory of 2144	2964	winupd.exe	32
PID 2964 wrote to memory of 2144	2964	winupd.exe	32
PID 2964 wrote to memory of 2732	2964	winupd.exe	33
PID 2964 wrote to memory of 2732	2964	winupd.exe	33
PID 2964 wrote to memory of 2732	2964	winupd.exe	33
PID 2964 wrote to memory of 2732	2964	winupd.exe	33
PID 2964 wrote to memory of 2732	2964	winupd.exe	33
PID 2964 wrote to memory of 2732	2964	winupd.exe	33
PID 2964 wrote to memory of 2732	2964	winupd.exe	33
PID 2964 wrote to memory of 2732	2964	winupd.exe	33
PID 2144 wrote to memory of 2716	2144	winupd.exe	34
PID 2144 wrote to memory of 2716	2144	winupd.exe	34
PID 2144 wrote to memory of 2716	2144	winupd.exe	34
PID 2144 wrote to memory of 2716	2144	winupd.exe	34
PID 2144 wrote to memory of 2716	2144	winupd.exe	34
PID 2144 wrote to memory of 2716	2144	winupd.exe	34
PID 2716 wrote to memory of 1896	2716	ipconfig.exe	36
PID 2716 wrote to memory of 1896	2716	ipconfig.exe	36
PID 2716 wrote to memory of 1896	2716	ipconfig.exe	36
PID 2716 wrote to memory of 1896	2716	ipconfig.exe	36
PID 1896 wrote to memory of 1420	1896	cmd.exe	38
PID 1896 wrote to memory of 1420	1896	cmd.exe	38
PID 1896 wrote to memory of 1420	1896	cmd.exe	38
PID 1896 wrote to memory of 1420	1896	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
"C:\Users\Admin\AppData\Local\Temp\917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Admin\AppData\Local\Temp\917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe
  "C:\Users\Admin\AppData\Local\Temp\917879ec8d86c7262fc758d8f3fb1153dd3d04f003812e4748b13ee3f6d5da1c.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2328
- - 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:2964
  - - 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:2144
    - - 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\WOIBHOXA.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1896
        
        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:1420
  - - 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:2732

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\WOIBHOXA.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
73b61ff318d7f80def4104251fcf8849

SHA1
3d37b45f1b9b9d230e525504f6d4e8f295100484

SHA256
beb0af3d4153a3f5bdec2898bfd0bf2e3a2c255e8385058128a8dd975568f137

SHA512
331ec54f546098d28b4ba52d9e8c5460da7f6ea5b2ba6a147b06848fcd9035e3f9b7540ed5561e5e954d510c07e408a8237118ff56ee01fb4c21e14e240a750f

Download Submit
memory/1760-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1760-20-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1760-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1760-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1760-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2144-83-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2144-68-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2328-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2328-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2328-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2328-19-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2328-71-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2328-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2716-72-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2732-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-99-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-98-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2964-63-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2964-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2964-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads