darkcomet | 89b49b220b567c00e81845006355a73d03724e12aeb998e0b287702d46caf8f5

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 09:05

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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

Executes dropped EXE 4 IoCs

pid	Process
2544	svchost.exe
2720	DOCFIX2.EXE
2736	svchost.exe
1064	msdcsc.exe

Loads dropped DLL 5 IoCs

pid	Process
1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe
2544	svchost.exe
2544	svchost.exe
2720	DOCFIX2.EXE
2736	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\FBUpdate = "C:\\Users\\Admin\\AppData\\Local\\FBaplication\\FBUpdate.exe"	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\DocfixSetUp = "C:\\Users\\Admin\\AppData\\Local\\DocFix2\\DocfixSetUp.exe"	DOCFIX2.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\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 1692 set thread context of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 2720 set thread context of 2736	2720	DOCFIX2.EXE	32

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 7 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	DllHost.exe
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

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2736	svchost.exe
Token: SeSecurityPrivilege	2736	svchost.exe
Token: SeTakeOwnershipPrivilege	2736	svchost.exe
Token: SeLoadDriverPrivilege	2736	svchost.exe
Token: SeSystemProfilePrivilege	2736	svchost.exe
Token: SeSystemtimePrivilege	2736	svchost.exe
Token: SeProfSingleProcessPrivilege	2736	svchost.exe
Token: SeIncBasePriorityPrivilege	2736	svchost.exe
Token: SeCreatePagefilePrivilege	2736	svchost.exe
Token: SeBackupPrivilege	2736	svchost.exe
Token: SeRestorePrivilege	2736	svchost.exe
Token: SeShutdownPrivilege	2736	svchost.exe
Token: SeDebugPrivilege	2736	svchost.exe
Token: SeSystemEnvironmentPrivilege	2736	svchost.exe
Token: SeChangeNotifyPrivilege	2736	svchost.exe
Token: SeRemoteShutdownPrivilege	2736	svchost.exe
Token: SeUndockPrivilege	2736	svchost.exe
Token: SeManageVolumePrivilege	2736	svchost.exe
Token: SeImpersonatePrivilege	2736	svchost.exe
Token: SeCreateGlobalPrivilege	2736	svchost.exe
Token: 33	2736	svchost.exe
Token: 34	2736	svchost.exe
Token: 35	2736	svchost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2772	DllHost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2772	DllHost.exe
2772	DllHost.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe	30
PID 2544 wrote to memory of 2720	2544	svchost.exe	31
PID 2544 wrote to memory of 2720	2544	svchost.exe	31
PID 2544 wrote to memory of 2720	2544	svchost.exe	31
PID 2544 wrote to memory of 2720	2544	svchost.exe	31
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2720 wrote to memory of 2736	2720	DOCFIX2.EXE	32
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 2432	2736	svchost.exe	34
PID 2736 wrote to memory of 1064	2736	svchost.exe	35
PID 2736 wrote to memory of 1064	2736	svchost.exe	35
PID 2736 wrote to memory of 1064	2736	svchost.exe	35
PID 2736 wrote to memory of 1064	2736	svchost.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b8eb016996bec20cb8c37da4bc6aa55.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Users\Admin\AppData\Local\Temp\DOCFIX2.EXE
    "C:\Users\Admin\AppData\Local\Temp\DOCFIX2.EXE"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2720
  - - C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Loads dropped DLL
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2736
    - - C:\Windows\SysWOW64\notepad.exe
        
        notepad
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2432
    - - C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
        
        "C:\Windows\system32\MSDCSC\msdcsc.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1064

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2772

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

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\IMG_1131.JPG

Filesize
594KB

MD5
f89e5135e3ae949ba3190d850137502c

SHA1
30a74b954e2bd07dddfd7d49ba90af4e8caae0af

SHA256
9aa87cef50117d226f1c1a046fbc97595409d51dee8dab84d53ab55e6418d862

SHA512
243dd0537395ccd1e44def07799432828a394f58a6370b6b7c07bc0dc6849f347c682e8b7fcd736eac9ebba58271e5110d9b185a51a304d898b5351aba964c0a

Download Submit
\Users\Admin\AppData\Local\Temp\DOCFIX2.EXE

Filesize
504KB

MD5
c9d8a1e1f8f7df455a1c09acd42fdf96

SHA1
b64fcc2e94d9a74505295f27cb9fe5f116cbc9fb

SHA256
497615a7e322a8ae3a0b08614259f27b4940c1bd1af3d903299676776f75f568

SHA512
5cebb1ceb310d2beacd8862990e059ddfb9dbf4ca09e583f0d61d99e5fac9fc8599eba7f0ba24c5c673c40be88fe124de51e33e332921e4dd3886bbf85ae9e6a

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1692-1-0x00000000741A0000-0x000000007474B000-memory.dmp

Filesize
5.7MB

Download
memory/1692-2-0x00000000741A0000-0x000000007474B000-memory.dmp

Filesize
5.7MB

Download
memory/1692-113-0x00000000741A0000-0x000000007474B000-memory.dmp

Filesize
5.7MB

Download
memory/1692-0-0x00000000741A1000-0x00000000741A2000-memory.dmp

Filesize
4KB

Download
memory/1692-28-0x00000000741A0000-0x000000007474B000-memory.dmp

Filesize
5.7MB

Download
memory/2432-71-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2544-22-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-18-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-16-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-14-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-12-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-10-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-29-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-26-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-8-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-102-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2544-66-0x0000000002690000-0x0000000002692000-memory.dmp

Filesize
8KB

Download
memory/2720-41-0x00000000741A0000-0x000000007474B000-memory.dmp

Filesize
5.7MB

Download
memory/2720-40-0x00000000741A1000-0x00000000741A2000-memory.dmp

Filesize
4KB

Download
memory/2720-114-0x00000000741A0000-0x000000007474B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2736-49-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2736-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2736-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2736-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2736-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2736-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2736-51-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2736-53-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2736-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2772-67-0x0000000000170000-0x0000000000172000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads