darkcomet | 8717ded6b7eb527c82916520e4ddc6e730dd2e984e6f39f92a19bdaae8fd2d30

Analysis

max time kernel
147s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 00:55

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General

Target

ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Size

1006KB
MD5

ea4acbc78aca8f04f59983e83afea192
SHA1

cf851eca55ace21437550f5b003fd724a5fe21f9
SHA256

8717ded6b7eb527c82916520e4ddc6e730dd2e984e6f39f92a19bdaae8fd2d30
SHA512

1987cadc13bcc5285523be50971db210a8f3f21ed90de5780bcd074d777ae1a7cae2b28703121aeedee99d1ea6c3a9cd2e4ac7a54944d187f124ff2120fae407
SSDEEP

24576:V7nIqVGaZS+1sjmP/e+iCIy6d8B84eEKTvJmg:VbVL71AthufMJ

Score

10^/10

darkcomet chat discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Chat

bahaarat.no-ip.biz:4153

Mutex

DC_MUTEX-7ZU3TYT

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
0ERVdb5XjlW0
install
true
offline_keylogger
true
password
123lol123
persistence
true
reg_key
Windows Update

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat 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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2860	attrib.exe
2864	attrib.exe

Deletes itself 1 IoCs

pid	Process
344	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2816 set thread context of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.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	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeSecurityPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeSystemtimePrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeBackupPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeRestorePrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeShutdownPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeDebugPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeUndockPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeManageVolumePrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeImpersonatePrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: 33	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: 34	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
Token: 35	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 2816 wrote to memory of 768	2816	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	32
PID 768 wrote to memory of 1356	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	33
PID 768 wrote to memory of 1356	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	33
PID 768 wrote to memory of 1356	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	33
PID 768 wrote to memory of 1356	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	33
PID 768 wrote to memory of 1688	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	35
PID 768 wrote to memory of 1688	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	35
PID 768 wrote to memory of 1688	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	35
PID 768 wrote to memory of 1688	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	35
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 768 wrote to memory of 344	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	37
PID 1356 wrote to memory of 2860	1356	cmd.exe	38
PID 1356 wrote to memory of 2860	1356	cmd.exe	38
PID 1356 wrote to memory of 2860	1356	cmd.exe	38
PID 1356 wrote to memory of 2860	1356	cmd.exe	38
PID 1688 wrote to memory of 2864	1688	cmd.exe	39
PID 1688 wrote to memory of 2864	1688	cmd.exe	39
PID 1688 wrote to memory of 2864	1688	cmd.exe	39
PID 1688 wrote to memory of 2864	1688	cmd.exe	39
PID 768 wrote to memory of 2416	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	40
PID 768 wrote to memory of 2416	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	40
PID 768 wrote to memory of 2416	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	40
PID 768 wrote to memory of 2416	768	ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe	40

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2860	attrib.exe
2864	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:768
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1356
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\ea4acbc78aca8f04f59983e83afea192_JaffaCakes118.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2860
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1688
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2864
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:344
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    PID:2416

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
1006KB

MD5
ea4acbc78aca8f04f59983e83afea192

SHA1
cf851eca55ace21437550f5b003fd724a5fe21f9

SHA256
8717ded6b7eb527c82916520e4ddc6e730dd2e984e6f39f92a19bdaae8fd2d30

SHA512
1987cadc13bcc5285523be50971db210a8f3f21ed90de5780bcd074d777ae1a7cae2b28703121aeedee99d1ea6c3a9cd2e4ac7a54944d187f124ff2120fae407

Download Submit
memory/344-61-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/344-46-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/768-21-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-13-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/768-71-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-35-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-29-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-25-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-11-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-15-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-32-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-40-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-41-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/768-42-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/768-18-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2416-73-0x0000000000400000-0x0000000000503000-memory.dmp

Filesize
1.0MB

Download
memory/2816-0-0x0000000000400000-0x0000000000503000-memory.dmp

Filesize
1.0MB

Download
memory/2816-2-0x0000000000400000-0x0000000000503000-memory.dmp

Filesize
1.0MB

Download
memory/2816-39-0x0000000000400000-0x0000000000503000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads