darkcomet | c25b863bb69d711b485b4b040281a766e3558fe79636862f86fc36ab7b194c8b

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 23:38

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General

Target

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Size

756KB
MD5

64a807e296d5d2cf86ad93d7279e6b1d
SHA1

d0f8f5c82e64567ed5fbcfae16c5c9b1ad85c712
SHA256

c25b863bb69d711b485b4b040281a766e3558fe79636862f86fc36ab7b194c8b
SHA512

7869d9e157fadbed03b8aa8384941f78939753f2980e239ca23830646344f8e70b9ddb8666c576e16b6f8378481f4413f5ba47fcb0dae46b73c1c5da9f108137
SSDEEP

12288:K9AFlAd0Z+89cxTGzO4ADTD8iP2lmSSrVs9YqnI3Md0QZh9u:oAQ6Zx9cxTmOrDTI+SSpORI00QZh9u

Score

10^/10

darkcomet discovery evasion rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies firewall policy service 3 TTPs 6 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	explorer.exe

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	explorer.exe

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	explorer.exe

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	explorer.exe

Disables Task Manager via registry modification
evasion

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2476 set thread context of 2064	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

explorer.exe

pid	Process
2064	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exeexplorer.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeSecurityPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeBackupPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeRestorePrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeShutdownPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeDebugPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeUndockPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: 33	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: 34	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: 35	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2064	explorer.exe
Token: SeSecurityPrivilege	2064	explorer.exe
Token: SeTakeOwnershipPrivilege	2064	explorer.exe
Token: SeLoadDriverPrivilege	2064	explorer.exe
Token: SeSystemProfilePrivilege	2064	explorer.exe
Token: SeSystemtimePrivilege	2064	explorer.exe
Token: SeProfSingleProcessPrivilege	2064	explorer.exe
Token: SeIncBasePriorityPrivilege	2064	explorer.exe
Token: SeCreatePagefilePrivilege	2064	explorer.exe
Token: SeBackupPrivilege	2064	explorer.exe
Token: SeRestorePrivilege	2064	explorer.exe
Token: SeShutdownPrivilege	2064	explorer.exe
Token: SeDebugPrivilege	2064	explorer.exe
Token: SeSystemEnvironmentPrivilege	2064	explorer.exe
Token: SeChangeNotifyPrivilege	2064	explorer.exe
Token: SeRemoteShutdownPrivilege	2064	explorer.exe
Token: SeUndockPrivilege	2064	explorer.exe
Token: SeManageVolumePrivilege	2064	explorer.exe
Token: SeImpersonatePrivilege	2064	explorer.exe
Token: SeCreateGlobalPrivilege	2064	explorer.exe
Token: 33	2064	explorer.exe
Token: 34	2064	explorer.exe
Token: 35	2064	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2476 wrote to memory of 2064	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe	30
PID 2476 wrote to memory of 2064	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe	30
PID 2476 wrote to memory of 2064	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe	30
PID 2476 wrote to memory of 2064	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe	30
PID 2476 wrote to memory of 2064	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe	30
PID 2476 wrote to memory of 2064	2476	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe	30

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\64a807e296d5d2cf86ad93d7279e6b1d_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Windows security modification
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2476
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

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

Replay Monitor

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Downloads

memory/2064-2-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2064-7-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2064-6-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2064-8-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2064-5-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2064-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2064-9-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2064-11-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2064-12-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2064-10-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2064-13-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2476-0-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download