darkcomet | 02b091375fc3fca4256e6623631f72d23bf1de0f5257ed46d245660625bf500e

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 13:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Size

658KB
MD5

5695f7f13ff79b8abe4b4c31c9769c11
SHA1

ca3d7c38bdc360e8d11f297d89174afdeca8a07b
SHA256

02b091375fc3fca4256e6623631f72d23bf1de0f5257ed46d245660625bf500e
SHA512

b995bef8aa87a2f21a0a9eadbc73c43ab9f201ac20228564eb03a107b77daec8282ef5bef0ee832cf12be1ce5e472eeccea679618839033ec27154e69020576b
SSDEEP

12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h8:KZ1xuVVjfFoynPaVBUR8f+kN10EB6

Score

10^/10

darkcomet hf discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

xmmoonbaby123.no-ip.org:1604

Mutex

DC_MUTEX-RAM62JL

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
kEj4w6JVBamh
install
true
offline_keylogger
true
persistence
true
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:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

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

Windows security bypass 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"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Deletes itself 1 IoCs

pid	Process
2124	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.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"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\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 4 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_5695f7f13ff79b8abe4b4c31c9769c11.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	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2756	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeSecurityPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeTakeOwnershipPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeLoadDriverPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeSystemProfilePrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeSystemtimePrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeProfSingleProcessPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeIncBasePriorityPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeCreatePagefilePrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeBackupPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeRestorePrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeShutdownPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeDebugPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeSystemEnvironmentPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeChangeNotifyPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeRemoteShutdownPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeUndockPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeManageVolumePrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeImpersonatePrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeCreateGlobalPrivilege	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: 33	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: 34	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: 35	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
Token: SeIncreaseQuotaPrivilege	2756	msdcsc.exe
Token: SeSecurityPrivilege	2756	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2756	msdcsc.exe
Token: SeLoadDriverPrivilege	2756	msdcsc.exe
Token: SeSystemProfilePrivilege	2756	msdcsc.exe
Token: SeSystemtimePrivilege	2756	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2756	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2756	msdcsc.exe
Token: SeCreatePagefilePrivilege	2756	msdcsc.exe
Token: SeBackupPrivilege	2756	msdcsc.exe
Token: SeRestorePrivilege	2756	msdcsc.exe
Token: SeShutdownPrivilege	2756	msdcsc.exe
Token: SeDebugPrivilege	2756	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2756	msdcsc.exe
Token: SeChangeNotifyPrivilege	2756	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2756	msdcsc.exe
Token: SeUndockPrivilege	2756	msdcsc.exe
Token: SeManageVolumePrivilege	2756	msdcsc.exe
Token: SeImpersonatePrivilege	2756	msdcsc.exe
Token: SeCreateGlobalPrivilege	2756	msdcsc.exe
Token: 33	2756	msdcsc.exe
Token: 34	2756	msdcsc.exe
Token: 35	2756	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	msdcsc.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	30
PID 1800 wrote to memory of 2756	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	31
PID 1800 wrote to memory of 2756	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	31
PID 1800 wrote to memory of 2756	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	31
PID 1800 wrote to memory of 2756	1800	JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe	31
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32
PID 2756 wrote to memory of 2832	2756	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5695f7f13ff79b8abe4b4c31c9769c11.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:1800
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2124
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - 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:2756
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2832

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 System Firewall

T1562.004

Disable or Modify Tools

T1562.001

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

\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

Filesize
658KB

MD5
5695f7f13ff79b8abe4b4c31c9769c11

SHA1
ca3d7c38bdc360e8d11f297d89174afdeca8a07b

SHA256
02b091375fc3fca4256e6623631f72d23bf1de0f5257ed46d245660625bf500e

SHA512
b995bef8aa87a2f21a0a9eadbc73c43ab9f201ac20228564eb03a107b77daec8282ef5bef0ee832cf12be1ce5e472eeccea679618839033ec27154e69020576b

Download Submit
memory/1800-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1800-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2124-18-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2124-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2756-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2832-66-0x0000000000200000-0x0000000000201000-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