darkcomet | 89b49b220b567c00e81845006355a73d03724e12aeb998e0b287702d46caf8f5

Analysis

max time kernel
93s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 09:05

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe
Size

1.6MB
MD5

6b8eb016996bec20cb8c37da4bc6aa55
SHA1

6257b93b0e97c1813fb728a9209c188a22de7dc3
SHA256

89b49b220b567c00e81845006355a73d03724e12aeb998e0b287702d46caf8f5
SHA512

4ba0a05bc3849e7ff2a0b583f04f558de42a74717d87b3b98268eeb41e0f55f19212a5d7ba907f97184fe341588522bde385ff296cb0df91f3d15296003051df
SSDEEP

49152:3pQ1B+QV1YMr8bY0rOQxBgdr8PFmiKaNgcJUbvM:kBtUMr8bZKrwoi5NgcJEv

Score

10^/10

darkcomet koritsia discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

koritsia

pamekala.no-ip.org:2520

Mutex

DC_MUTEX-DJDQH0Q

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
TCQx7ZeDpEBz
install
true
offline_keylogger
true
password
1234
persistence
false
reg_key
MicroUpdate

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:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	svchost.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	svchost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 4 IoCs

pid	Process
3868	svchost.exe
2944	DOCFIX2.EXE
5048	svchost.exe
3592	msdcsc.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FBUpdate = "C:\\Users\\Admin\\AppData\\Local\\FBaplication\\FBUpdate.exe"	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DocfixSetUp = "C:\\Users\\Admin\\AppData\\Local\\DocFix2\\DocfixSetUp.exe"	DOCFIX2.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3932 set thread context of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 2944 set thread context of 5048	2944	DOCFIX2.EXE	85

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 6 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DOCFIX2.EXE

Modifies registry class 1 IoCs

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

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5048	svchost.exe
Token: SeSecurityPrivilege	5048	svchost.exe
Token: SeTakeOwnershipPrivilege	5048	svchost.exe
Token: SeLoadDriverPrivilege	5048	svchost.exe
Token: SeSystemProfilePrivilege	5048	svchost.exe
Token: SeSystemtimePrivilege	5048	svchost.exe
Token: SeProfSingleProcessPrivilege	5048	svchost.exe
Token: SeIncBasePriorityPrivilege	5048	svchost.exe
Token: SeCreatePagefilePrivilege	5048	svchost.exe
Token: SeBackupPrivilege	5048	svchost.exe
Token: SeRestorePrivilege	5048	svchost.exe
Token: SeShutdownPrivilege	5048	svchost.exe
Token: SeDebugPrivilege	5048	svchost.exe
Token: SeSystemEnvironmentPrivilege	5048	svchost.exe
Token: SeChangeNotifyPrivilege	5048	svchost.exe
Token: SeRemoteShutdownPrivilege	5048	svchost.exe
Token: SeUndockPrivilege	5048	svchost.exe
Token: SeManageVolumePrivilege	5048	svchost.exe
Token: SeImpersonatePrivilege	5048	svchost.exe
Token: SeCreateGlobalPrivilege	5048	svchost.exe
Token: 33	5048	svchost.exe
Token: 34	5048	svchost.exe
Token: 35	5048	svchost.exe
Token: 36	5048	svchost.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3932 wrote to memory of 3868	3932	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	83
PID 3868 wrote to memory of 2944	3868	svchost.exe	84
PID 3868 wrote to memory of 2944	3868	svchost.exe	84
PID 3868 wrote to memory of 2944	3868	svchost.exe	84
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 2944 wrote to memory of 5048	2944	DOCFIX2.EXE	85
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 2876	5048	svchost.exe	86
PID 5048 wrote to memory of 3592	5048	svchost.exe	87
PID 5048 wrote to memory of 3592	5048	svchost.exe	87
PID 5048 wrote to memory of 3592	5048	svchost.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3868
- - C:\Users\Admin\AppData\Local\Temp\DOCFIX2.EXE
    "C:\Users\Admin\AppData\Local\Temp\DOCFIX2.EXE"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2944
  - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Checks computer location settings
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:5048
    - - C:\Windows\SysWOW64\notepad.exe
        
        notepad
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2876
    - - C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
        
        "C:\Windows\system32\MSDCSC\msdcsc.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:3592

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DOCFIX2.EXE

Filesize
504KB

MD5
c9d8a1e1f8f7df455a1c09acd42fdf96

SHA1
b64fcc2e94d9a74505295f27cb9fe5f116cbc9fb

SHA256
497615a7e322a8ae3a0b08614259f27b4940c1bd1af3d903299676776f75f568

SHA512
5cebb1ceb310d2beacd8862990e059ddfb9dbf4ca09e583f0d61d99e5fac9fc8599eba7f0ba24c5c673c40be88fe124de51e33e332921e4dd3886bbf85ae9e6a

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/2876-42-0x0000000000EE0000-0x0000000000EE1000-memory.dmp

Filesize
4KB

Download
memory/2944-26-0x0000000000A50000-0x0000000000A60000-memory.dmp

Filesize
64KB

Download
memory/2944-109-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/2944-108-0x0000000074802000-0x0000000074804000-memory.dmp

Filesize
8KB

Download
memory/2944-107-0x0000000000A50000-0x0000000000A60000-memory.dmp

Filesize
64KB

Download
memory/2944-29-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/2944-27-0x0000000074802000-0x0000000074804000-memory.dmp

Filesize
8KB

Download
memory/3868-10-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3868-25-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3868-31-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3868-6-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3868-11-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/3932-105-0x0000000074802000-0x0000000074803000-memory.dmp

Filesize
4KB

Download
memory/3932-0-0x0000000074802000-0x0000000074803000-memory.dmp

Filesize
4KB

Download
memory/3932-24-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3932-1-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3932-2-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/3932-106-0x0000000074800000-0x0000000074DB1000-memory.dmp

Filesize
5.7MB

Download
memory/5048-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5048-103-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5048-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5048-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/5048-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads