darkcomet | 0af4011a44190633ea33f4c71699b3489bb27881556fa24b763f862a4be31b82

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 07:36

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General

Target

faa69311111e5a69146a3fece991b866_JaffaCakes118.exe
Size

399KB
MD5

faa69311111e5a69146a3fece991b866
SHA1

e3f68b8ca75ca8dd9fca728fb0d49666855c0ef5
SHA256

0af4011a44190633ea33f4c71699b3489bb27881556fa24b763f862a4be31b82
SHA512

01dd5fcac65bc194dd40757a30eaf9db314b633a23ba95d6a42aae9edef25651bd7a0afafeb3e0a9bdfb7bdde770580759141002fd3e73db61d6c0f31f75c710
SSDEEP

6144:NSncRlxFRaI2EqBP/WsZL1PgLl4w0AidVym0EnarUBYVsuD:k4FR72EqluswR45JTnaEY2

Score

10^/10

darkcomet discovery evasion persistence rat trojan upx

Malware Config

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"	GROSS GORE GF NUDE.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
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe
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

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

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion

Checks computer location settings 2 TTPs 2 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	GROSS GORE GF NUDE.EXE
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	faa69311111e5a69146a3fece991b866_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4344	GROSS GORE GF NUDE.EXE
1300	msdcsc.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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	GROSS GORE GF NUDE.EXE

UPX packed file 19 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000c000000023b27-4.dat	upx
behavioral2/memory/4344-11-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-27-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/4344-26-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-29-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-30-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-32-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-33-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-34-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-35-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-36-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-37-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-38-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-39-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-40-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-41-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-42-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-43-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1300-44-0x0000000000400000-0x00000000004E5000-memory.dmp	upx

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 3 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	GROSS GORE GF NUDE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	faa69311111e5a69146a3fece991b866_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeSecurityPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeTakeOwnershipPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeLoadDriverPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeSystemProfilePrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeSystemtimePrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeProfSingleProcessPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeIncBasePriorityPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeCreatePagefilePrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeBackupPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeRestorePrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeShutdownPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeDebugPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeSystemEnvironmentPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeChangeNotifyPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeRemoteShutdownPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeUndockPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeManageVolumePrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeImpersonatePrivilege	4344	GROSS GORE GF NUDE.EXE
Token: SeCreateGlobalPrivilege	4344	GROSS GORE GF NUDE.EXE
Token: 33	4344	GROSS GORE GF NUDE.EXE
Token: 34	4344	GROSS GORE GF NUDE.EXE
Token: 35	4344	GROSS GORE GF NUDE.EXE
Token: 36	4344	GROSS GORE GF NUDE.EXE
Token: SeIncreaseQuotaPrivilege	1300	msdcsc.exe
Token: SeSecurityPrivilege	1300	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1300	msdcsc.exe
Token: SeLoadDriverPrivilege	1300	msdcsc.exe
Token: SeSystemProfilePrivilege	1300	msdcsc.exe
Token: SeSystemtimePrivilege	1300	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1300	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1300	msdcsc.exe
Token: SeCreatePagefilePrivilege	1300	msdcsc.exe
Token: SeBackupPrivilege	1300	msdcsc.exe
Token: SeRestorePrivilege	1300	msdcsc.exe
Token: SeShutdownPrivilege	1300	msdcsc.exe
Token: SeDebugPrivilege	1300	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1300	msdcsc.exe
Token: SeChangeNotifyPrivilege	1300	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1300	msdcsc.exe
Token: SeUndockPrivilege	1300	msdcsc.exe
Token: SeManageVolumePrivilege	1300	msdcsc.exe
Token: SeImpersonatePrivilege	1300	msdcsc.exe
Token: SeCreateGlobalPrivilege	1300	msdcsc.exe
Token: 33	1300	msdcsc.exe
Token: 34	1300	msdcsc.exe
Token: 35	1300	msdcsc.exe
Token: 36	1300	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1300	msdcsc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 4344	4876	faa69311111e5a69146a3fece991b866_JaffaCakes118.exe	82
PID 4876 wrote to memory of 4344	4876	faa69311111e5a69146a3fece991b866_JaffaCakes118.exe	82
PID 4876 wrote to memory of 4344	4876	faa69311111e5a69146a3fece991b866_JaffaCakes118.exe	82
PID 4344 wrote to memory of 1300	4344	GROSS GORE GF NUDE.EXE	83
PID 4344 wrote to memory of 1300	4344	GROSS GORE GF NUDE.EXE	83
PID 4344 wrote to memory of 1300	4344	GROSS GORE GF NUDE.EXE	83
PID 1300 wrote to memory of 968	1300	msdcsc.exe	84
PID 1300 wrote to memory of 968	1300	msdcsc.exe	84
PID 1300 wrote to memory of 968	1300	msdcsc.exe	84
PID 1300 wrote to memory of 4992	1300	msdcsc.exe	85
PID 1300 wrote to memory of 4992	1300	msdcsc.exe	85

C:\Users\Admin\AppData\Local\Temp\faa69311111e5a69146a3fece991b866_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\faa69311111e5a69146a3fece991b866_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Users\Admin\AppData\Local\Temp\GROSS GORE GF NUDE.EXE
  "C:\Users\Admin\AppData\Local\Temp\GROSS GORE GF NUDE.EXE"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4344
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Modifies firewall policy service
    - Windows security bypass
    - Disables RegEdit via registry modification
    - Executes dropped EXE
    - Windows security modification
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1300
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      4⤵
      PID:968
  - - C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      4⤵
      PID:4992

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

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\GROSS GORE GF NUDE.EXE

Filesize
346KB

MD5
7d5ae7cd31a4921c81df696227a5187c

SHA1
70376692070db9b40323ed3c8340c14319482da3

SHA256
7ad1c6c3a1b474800799dbdb3240c7d9ec7c2a8ab174f1bd50a2bbfe161a4d70

SHA512
704a934a1dd226ecf70cbc69d3acb2170d95c343a262e897514af89882e6faa92dd56d1f410c55f937a6c86c533313c7d95e7abac0f5e84734aac3c5c07d9f33

Download Submit
memory/1300-33-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-28-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/1300-34-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-36-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-35-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-29-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-31-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/1300-30-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-32-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-44-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-27-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-43-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-42-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-37-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-38-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-39-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-40-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1300-41-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/4344-26-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/4344-12-0x00000000023F0000-0x00000000023F1000-memory.dmp

Filesize
4KB

Download
memory/4344-11-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads