darkcomet | fb29ae21d3f271f495910d64c472a441da768020c7899905a56480a0c1c5cf8d

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 02:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Size

758KB
MD5

4564fe3b9e93dfb3ba38c197125dabda
SHA1

e8f3ac2006acc773dd4d66d2cd62bbee7389ac2d
SHA256

fb29ae21d3f271f495910d64c472a441da768020c7899905a56480a0c1c5cf8d
SHA512

3681a3090f5d73268462f27d97697bd9598216d1320616f7184219a6212ae7f071765ef374bfac039bcf69019712024acec96f69ad819804ba5ca0d8cc936af3
SSDEEP

12288:+XhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Up:gnAw2WWeFcfbP9VPSPMTSPL/rWvzq4J5

Score

10^/10

darkcomet hp discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

youngmomi.servemp3.com:1604

Mutex

DC_MUTEX-9G7UWDF

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
puTVGGfMmnsa
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

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"	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.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 1 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

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
1924	attrib.exe
1232	attrib.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
992	msdcsc.exe

Windows security modification 2 TTPs 1 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

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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 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	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	msdcsc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeSecurityPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeBackupPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeRestorePrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeShutdownPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeDebugPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeUndockPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: 33	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: 34	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: 35	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: 36	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	992	msdcsc.exe
Token: SeSecurityPrivilege	992	msdcsc.exe
Token: SeTakeOwnershipPrivilege	992	msdcsc.exe
Token: SeLoadDriverPrivilege	992	msdcsc.exe
Token: SeSystemProfilePrivilege	992	msdcsc.exe
Token: SeSystemtimePrivilege	992	msdcsc.exe
Token: SeProfSingleProcessPrivilege	992	msdcsc.exe
Token: SeIncBasePriorityPrivilege	992	msdcsc.exe
Token: SeCreatePagefilePrivilege	992	msdcsc.exe
Token: SeBackupPrivilege	992	msdcsc.exe
Token: SeRestorePrivilege	992	msdcsc.exe
Token: SeShutdownPrivilege	992	msdcsc.exe
Token: SeDebugPrivilege	992	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	992	msdcsc.exe
Token: SeChangeNotifyPrivilege	992	msdcsc.exe
Token: SeRemoteShutdownPrivilege	992	msdcsc.exe
Token: SeUndockPrivilege	992	msdcsc.exe
Token: SeManageVolumePrivilege	992	msdcsc.exe
Token: SeImpersonatePrivilege	992	msdcsc.exe
Token: SeCreateGlobalPrivilege	992	msdcsc.exe
Token: 33	992	msdcsc.exe
Token: 34	992	msdcsc.exe
Token: 35	992	msdcsc.exe
Token: 36	992	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
992	msdcsc.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 212	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe	93
PID 1832 wrote to memory of 212	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe	93
PID 1832 wrote to memory of 212	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe	93
PID 1832 wrote to memory of 1892	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe	95
PID 1832 wrote to memory of 1892	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe	95
PID 1832 wrote to memory of 1892	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe	95
PID 1892 wrote to memory of 1924	1892	cmd.exe	97
PID 1892 wrote to memory of 1924	1892	cmd.exe	97
PID 1892 wrote to memory of 1924	1892	cmd.exe	97
PID 212 wrote to memory of 1232	212	cmd.exe	98
PID 212 wrote to memory of 1232	212	cmd.exe	98
PID 212 wrote to memory of 1232	212	cmd.exe	98
PID 1832 wrote to memory of 992	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe	99
PID 1832 wrote to memory of 992	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe	99
PID 1832 wrote to memory of 992	1832	4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe	99

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	msdcsc.exe

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1924	attrib.exe
1232	attrib.exe

C:\Users\Admin\AppData\Local\Temp\4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:212
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\4564fe3b9e93dfb3ba38c197125dabda_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1232
- 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:1892
- - 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:1924
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - 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 use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:992

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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\Documents\MSDCSC\msdcsc.exe

Filesize
758KB

MD5
4564fe3b9e93dfb3ba38c197125dabda

SHA1
e8f3ac2006acc773dd4d66d2cd62bbee7389ac2d

SHA256
fb29ae21d3f271f495910d64c472a441da768020c7899905a56480a0c1c5cf8d

SHA512
3681a3090f5d73268462f27d97697bd9598216d1320616f7184219a6212ae7f071765ef374bfac039bcf69019712024acec96f69ad819804ba5ca0d8cc936af3

Download Submit
memory/992-68-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-71-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-63-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/992-64-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-65-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/992-66-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-67-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-78-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-77-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-69-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-70-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-72-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-73-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-74-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-75-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/992-76-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1832-62-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1832-0-0x0000000002290000-0x0000000002291000-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