darkcomet | 5d8645c97b39a3b7a72fdcb62bd41ff69d557c5e062e75bc820b36cdef0cfee2

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 09:01

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General

Target

JaffaCakes118_97459200fc5a8c6e604a88b6fcf13993.exe
Size

1.5MB
MD5

97459200fc5a8c6e604a88b6fcf13993
SHA1

dc9a30a961ad5cf99aabea8be1b078971c1d668d
SHA256

5d8645c97b39a3b7a72fdcb62bd41ff69d557c5e062e75bc820b36cdef0cfee2
SHA512

712677d401179eeb66d5219007e6c817f2eee504ebbd81536ba36ba9510f5ca860fe455cd2fec4047f7484925e84c988f3fe88d771e5cf76ab23fe781448674b
SSDEEP

49152:i3lA4UeRKIh4AqciO8teg3vMo457q8hJGx3xwjl:i0qKg4Aq3Oweg3vx07rG/w5

Score

10^/10

darkcomet svchost.exe discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

svchost.exe

minecraft7788.sytes.net:1604

Mutex

svchost.exe

Attributes

InstallPath
svchost.exe
gencode
UUwV6fpdYG0j
install
true
offline_keylogger
true
persistence
true
reg_key
svchost.exe

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\svchost.exe"	temp.exe

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	iexplore.exe

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	iexplore.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_97459200fc5a8c6e604a88b6fcf13993.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	encrypted.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	temp.exe

Executes dropped EXE 3 IoCs

pid	Process
2464	encrypted.exe
4336	temp.exe
2956	svchost.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svchost.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\svchost.exe"	temp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\svchost.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2956 set thread context of 728	2956	svchost.exe	88

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 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	JaffaCakes118_97459200fc5a8c6e604a88b6fcf13993.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	temp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	temp.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4336	temp.exe
Token: SeSecurityPrivilege	4336	temp.exe
Token: SeTakeOwnershipPrivilege	4336	temp.exe
Token: SeLoadDriverPrivilege	4336	temp.exe
Token: SeSystemProfilePrivilege	4336	temp.exe
Token: SeSystemtimePrivilege	4336	temp.exe
Token: SeProfSingleProcessPrivilege	4336	temp.exe
Token: SeIncBasePriorityPrivilege	4336	temp.exe
Token: SeCreatePagefilePrivilege	4336	temp.exe
Token: SeBackupPrivilege	4336	temp.exe
Token: SeRestorePrivilege	4336	temp.exe
Token: SeShutdownPrivilege	4336	temp.exe
Token: SeDebugPrivilege	4336	temp.exe
Token: SeSystemEnvironmentPrivilege	4336	temp.exe
Token: SeChangeNotifyPrivilege	4336	temp.exe
Token: SeRemoteShutdownPrivilege	4336	temp.exe
Token: SeUndockPrivilege	4336	temp.exe
Token: SeManageVolumePrivilege	4336	temp.exe
Token: SeImpersonatePrivilege	4336	temp.exe
Token: SeCreateGlobalPrivilege	4336	temp.exe
Token: 33	4336	temp.exe
Token: 34	4336	temp.exe
Token: 35	4336	temp.exe
Token: 36	4336	temp.exe
Token: SeIncreaseQuotaPrivilege	2956	svchost.exe
Token: SeSecurityPrivilege	2956	svchost.exe
Token: SeTakeOwnershipPrivilege	2956	svchost.exe
Token: SeLoadDriverPrivilege	2956	svchost.exe
Token: SeSystemProfilePrivilege	2956	svchost.exe
Token: SeSystemtimePrivilege	2956	svchost.exe
Token: SeProfSingleProcessPrivilege	2956	svchost.exe
Token: SeIncBasePriorityPrivilege	2956	svchost.exe
Token: SeCreatePagefilePrivilege	2956	svchost.exe
Token: SeBackupPrivilege	2956	svchost.exe
Token: SeRestorePrivilege	2956	svchost.exe
Token: SeShutdownPrivilege	2956	svchost.exe
Token: SeDebugPrivilege	2956	svchost.exe
Token: SeSystemEnvironmentPrivilege	2956	svchost.exe
Token: SeChangeNotifyPrivilege	2956	svchost.exe
Token: SeRemoteShutdownPrivilege	2956	svchost.exe
Token: SeUndockPrivilege	2956	svchost.exe
Token: SeManageVolumePrivilege	2956	svchost.exe
Token: SeImpersonatePrivilege	2956	svchost.exe
Token: SeCreateGlobalPrivilege	2956	svchost.exe
Token: 33	2956	svchost.exe
Token: 34	2956	svchost.exe
Token: 35	2956	svchost.exe
Token: 36	2956	svchost.exe
Token: SeIncreaseQuotaPrivilege	728	iexplore.exe
Token: SeSecurityPrivilege	728	iexplore.exe
Token: SeTakeOwnershipPrivilege	728	iexplore.exe
Token: SeLoadDriverPrivilege	728	iexplore.exe
Token: SeSystemProfilePrivilege	728	iexplore.exe
Token: SeSystemtimePrivilege	728	iexplore.exe
Token: SeProfSingleProcessPrivilege	728	iexplore.exe
Token: SeIncBasePriorityPrivilege	728	iexplore.exe
Token: SeCreatePagefilePrivilege	728	iexplore.exe
Token: SeBackupPrivilege	728	iexplore.exe
Token: SeRestorePrivilege	728	iexplore.exe
Token: SeShutdownPrivilege	728	iexplore.exe
Token: SeDebugPrivilege	728	iexplore.exe
Token: SeSystemEnvironmentPrivilege	728	iexplore.exe
Token: SeChangeNotifyPrivilege	728	iexplore.exe
Token: SeRemoteShutdownPrivilege	728	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
728	iexplore.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2464	2448	JaffaCakes118_97459200fc5a8c6e604a88b6fcf13993.exe	82
PID 2448 wrote to memory of 2464	2448	JaffaCakes118_97459200fc5a8c6e604a88b6fcf13993.exe	82
PID 2464 wrote to memory of 4336	2464	encrypted.exe	85
PID 2464 wrote to memory of 4336	2464	encrypted.exe	85
PID 2464 wrote to memory of 4336	2464	encrypted.exe	85
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 3000	4336	temp.exe	86
PID 4336 wrote to memory of 2956	4336	temp.exe	87
PID 4336 wrote to memory of 2956	4336	temp.exe	87
PID 4336 wrote to memory of 2956	4336	temp.exe	87
PID 2956 wrote to memory of 728	2956	svchost.exe	88
PID 2956 wrote to memory of 728	2956	svchost.exe	88
PID 2956 wrote to memory of 728	2956	svchost.exe	88
PID 2956 wrote to memory of 728	2956	svchost.exe	88
PID 2956 wrote to memory of 728	2956	svchost.exe	88

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97459200fc5a8c6e604a88b6fcf13993.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97459200fc5a8c6e604a88b6fcf13993.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\encrypted.exe
  "C:\Users\Admin\AppData\Local\Temp\encrypted.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Users\Admin\AppData\Local\Temp\temp.exe
    "C:\Users\Admin\AppData\Local\Temp\temp.exe"
    3⤵
    - Modifies WinLogon for persistence
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4336
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:3000
  - - C:\ProgramData\Microsoft\Windows\Start Menu\svchost.exe
      "C:\ProgramData\Microsoft\Windows\Start Menu\svchost.exe"
      4⤵
      Modifies security service
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      Adds Run key to start application
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2956
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Modifies security service
        Windows security bypass
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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\Local\Temp\encrypted.exe

Filesize
1.5MB

MD5
b9bd396ef7bb3be1513dfac7e22f96d6

SHA1
6573491d94258f1e1c001fc2e3e27be251963bca

SHA256
07d4352839fb0b16528e8ad0243544dbe368b27baadabccee4c1d2ef689bc197

SHA512
8a4334dff39bf7d68c3dbac01af77b04746996f5b1dc471cad539e7412eaa6f7c2a46437bcd8cd6461cf744a3574a1e6465dda457ffd0756b68e7a7b674d82d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\temp.exe

Filesize
658KB

MD5
c8f1f0558f2fc033a67922187309f048

SHA1
f010eef7a6231b38909f80caeb611b55743f3af0

SHA256
e0873babae99d7a69079c46a7aa24a5f5901d678eac4fc8751ccdf41aa14bfea

SHA512
79fe069256fd2dee1609907fc48a7ce7d859fc567fe08504aa4f959d7ae19e7fbe37485ce74739c8c938c10a90ab5718d3e2100202c6002e9208909bbec77c51

Download Submit
memory/728-95-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2464-18-0x000000001C0F0000-0x000000001C348000-memory.dmp

Filesize
2.3MB

Download
memory/2464-17-0x00007FFB412E0000-0x00007FFB41C81000-memory.dmp

Filesize
9.6MB

Download
memory/2464-19-0x000000001B640000-0x000000001B6E6000-memory.dmp

Filesize
664KB

Download
memory/2464-16-0x00007FFB412E0000-0x00007FFB41C81000-memory.dmp

Filesize
9.6MB

Download
memory/2464-15-0x000000001BC20000-0x000000001C0EE000-memory.dmp

Filesize
4.8MB

Download
memory/2464-32-0x00007FFB412E0000-0x00007FFB41C81000-memory.dmp

Filesize
9.6MB

Download
memory/2464-14-0x00007FFB41595000-0x00007FFB41596000-memory.dmp

Filesize
4KB

Download
memory/2956-96-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3000-36-0x00000000012D0000-0x00000000012D1000-memory.dmp

Filesize
4KB

Download
memory/4336-97-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads