darkcomet | 231026289f6c7b2e6fe9c774bfe0a67cd0dd622128d16e688c08d8f4166047af

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
20/03/2025, 10:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_8274048014fb27ec204074235de05957.exe
Size

658KB
MD5

8274048014fb27ec204074235de05957
SHA1

fad9a0d46c71023c7bb9af232c2b6d09927d3944
SHA256

231026289f6c7b2e6fe9c774bfe0a67cd0dd622128d16e688c08d8f4166047af
SHA512

d600e2e91704f381427908ad78666ca26e37ece262f029128cdd78bb837436fdf384a02abe288ff7d547d98def626bab75e224b52e3c0eff795491e0bdb04d94
SSDEEP

12288:e9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h7:qZ1xuVVjfFoynPaVBUR8f+kN10EBN

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

dragons123.no-ip.biz:1604

Mutex

DC_MUTEX-V6VLKPK

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
14U5jD34a7i4
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

rc4.plain

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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_8274048014fb27ec204074235de05957.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2556	attrib.exe
2064	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe

Adds Run key to start application 2 TTPs 2 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\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2664	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeSecurityPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeTakeOwnershipPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeLoadDriverPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeSystemProfilePrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeSystemtimePrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeProfSingleProcessPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeIncBasePriorityPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeCreatePagefilePrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeBackupPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeRestorePrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeShutdownPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeDebugPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeSystemEnvironmentPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeChangeNotifyPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeRemoteShutdownPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeUndockPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeManageVolumePrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeImpersonatePrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeCreateGlobalPrivilege	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: 33	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: 34	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: 35	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe
Token: SeIncreaseQuotaPrivilege	2664	msdcsc.exe
Token: SeSecurityPrivilege	2664	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2664	msdcsc.exe
Token: SeLoadDriverPrivilege	2664	msdcsc.exe
Token: SeSystemProfilePrivilege	2664	msdcsc.exe
Token: SeSystemtimePrivilege	2664	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2664	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2664	msdcsc.exe
Token: SeCreatePagefilePrivilege	2664	msdcsc.exe
Token: SeBackupPrivilege	2664	msdcsc.exe
Token: SeRestorePrivilege	2664	msdcsc.exe
Token: SeShutdownPrivilege	2664	msdcsc.exe
Token: SeDebugPrivilege	2664	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2664	msdcsc.exe
Token: SeChangeNotifyPrivilege	2664	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2664	msdcsc.exe
Token: SeUndockPrivilege	2664	msdcsc.exe
Token: SeManageVolumePrivilege	2664	msdcsc.exe
Token: SeImpersonatePrivilege	2664	msdcsc.exe
Token: SeCreateGlobalPrivilege	2664	msdcsc.exe
Token: 33	2664	msdcsc.exe
Token: 34	2664	msdcsc.exe
Token: 35	2664	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2664	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2756	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	30
PID 2088 wrote to memory of 2756	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	30
PID 2088 wrote to memory of 2756	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	30
PID 2088 wrote to memory of 2756	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	30
PID 2088 wrote to memory of 2776	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	31
PID 2088 wrote to memory of 2776	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	31
PID 2088 wrote to memory of 2776	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	31
PID 2088 wrote to memory of 2776	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	31
PID 2756 wrote to memory of 2064	2756	cmd.exe	35
PID 2756 wrote to memory of 2064	2756	cmd.exe	35
PID 2756 wrote to memory of 2064	2756	cmd.exe	35
PID 2756 wrote to memory of 2064	2756	cmd.exe	35
PID 2776 wrote to memory of 2556	2776	cmd.exe	34
PID 2776 wrote to memory of 2556	2776	cmd.exe	34
PID 2776 wrote to memory of 2556	2776	cmd.exe	34
PID 2776 wrote to memory of 2556	2776	cmd.exe	34
PID 2088 wrote to memory of 2664	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	36
PID 2088 wrote to memory of 2664	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	36
PID 2088 wrote to memory of 2664	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	36
PID 2088 wrote to memory of 2664	2088	JaffaCakes118_8274048014fb27ec204074235de05957.exe	36
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37
PID 2664 wrote to memory of 2728	2664	msdcsc.exe	37

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2556	attrib.exe
2064	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8274048014fb27ec204074235de05957.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8274048014fb27ec204074235de05957.exe"
1⤵
- 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:2088
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8274048014fb27ec204074235de05957.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8274048014fb27ec204074235de05957.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2556
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2728

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
658KB

MD5
8274048014fb27ec204074235de05957

SHA1
fad9a0d46c71023c7bb9af232c2b6d09927d3944

SHA256
231026289f6c7b2e6fe9c774bfe0a67cd0dd622128d16e688c08d8f4166047af

SHA512
d600e2e91704f381427908ad78666ca26e37ece262f029128cdd78bb837436fdf384a02abe288ff7d547d98def626bab75e224b52e3c0eff795491e0bdb04d94

Download Submit
memory/2088-52-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2088-0-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2664-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-53-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2664-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2728-13-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2728-51-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads