darkcomet | 0f8453795d064dcfed957738605d6535e6d7aed3903663f2a39c24190aeb55f0

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2024 23:44

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General

Target

1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Size

691KB
MD5

1502da8208dab511b9a20b8bd5ca0683
SHA1

b221b40878da9d5a846bdcb8b773517c2c1c9f8d
SHA256

0f8453795d064dcfed957738605d6535e6d7aed3903663f2a39c24190aeb55f0
SHA512

9016fb4ff3374e04fd6b99bcc82266e0d8b8e81348306b0538f23132c24b1178730c84ff55c485a49cbf3740df6cdb6ad52bc3a2ac49b01142e7ba965666a7b6
SSDEEP

12288:q9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyF+u:miBIGkbxqEcjsWiDxguehC2Sy

Score

10^/10

darkcomet guest16 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

kop2090a.ddns.net:1604

Mutex

DC_MUTEX-LWJ5CU9

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Vn1ccigfUluv
install
true
offline_keylogger
true
persistence
false
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

Processes:

1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

msdcsc.exe

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

Processes:

msdcsc.exe

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

Processes:

msdcsc.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.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

Processes:

1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid	Process
4840	msdcsc.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeSecurityPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeBackupPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeRestorePrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeShutdownPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeDebugPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeUndockPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: 33	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: 34	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: 35	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: 36	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4840	msdcsc.exe
Token: SeSecurityPrivilege	4840	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4840	msdcsc.exe
Token: SeLoadDriverPrivilege	4840	msdcsc.exe
Token: SeSystemProfilePrivilege	4840	msdcsc.exe
Token: SeSystemtimePrivilege	4840	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4840	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4840	msdcsc.exe
Token: SeCreatePagefilePrivilege	4840	msdcsc.exe
Token: SeBackupPrivilege	4840	msdcsc.exe
Token: SeRestorePrivilege	4840	msdcsc.exe
Token: SeShutdownPrivilege	4840	msdcsc.exe
Token: SeDebugPrivilege	4840	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4840	msdcsc.exe
Token: SeChangeNotifyPrivilege	4840	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4840	msdcsc.exe
Token: SeUndockPrivilege	4840	msdcsc.exe
Token: SeManageVolumePrivilege	4840	msdcsc.exe
Token: SeImpersonatePrivilege	4840	msdcsc.exe
Token: SeCreateGlobalPrivilege	4840	msdcsc.exe
Token: 33	4840	msdcsc.exe
Token: 34	4840	msdcsc.exe
Token: 35	4840	msdcsc.exe
Token: 36	4840	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid	Process
4840	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3104 wrote to memory of 4840	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe	94
PID 3104 wrote to memory of 4840	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe	94
PID 3104 wrote to memory of 4840	3104	1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe	94

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	Process
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1502da8208dab511b9a20b8bd5ca0683_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3104
- C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:4840

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 Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe

Filesize
691KB

MD5
1502da8208dab511b9a20b8bd5ca0683

SHA1
b221b40878da9d5a846bdcb8b773517c2c1c9f8d

SHA256
0f8453795d064dcfed957738605d6535e6d7aed3903663f2a39c24190aeb55f0

SHA512
9016fb4ff3374e04fd6b99bcc82266e0d8b8e81348306b0538f23132c24b1178730c84ff55c485a49cbf3740df6cdb6ad52bc3a2ac49b01142e7ba965666a7b6

Download Submit
memory/3104-62-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3104-0-0x0000000002140000-0x0000000002141000-memory.dmp

Filesize
4KB

Download
memory/4840-67-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-69-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-64-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-65-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-66-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-61-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/4840-68-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-63-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-70-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-71-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-72-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-73-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-74-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-75-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4840-76-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download