darkcomet | f906013f06983cb53b50c8fc99057d88a2ba18e89b601224a738a059ed508f36

Analysis

max time kernel
150s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 19:23

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General

Target

873de7055a13ff974becb96df17c794d_JaffaCakes118.exe
Size

1.2MB
MD5

873de7055a13ff974becb96df17c794d
SHA1

33510f7c3b5b46a7728318f70bedb8ac38c4f41e
SHA256

f906013f06983cb53b50c8fc99057d88a2ba18e89b601224a738a059ed508f36
SHA512

824b29502c978b24a867d92a43aa030c4f773c1a0ff36f6ee6c9ec2f7d8d8bc7ffb4dc1a4ae31e7438177aeed0f1f958e0c36713d09a20722dc8fa578b8b0214
SSDEEP

12288:cRU5FD7S4NmkTSZ7GPFV/jtaFnAF5hl4DVGNNO4xJUVhfBncZPRhQdpueonditqD:LuyUsxj0nE4hAMfe+pOndinet

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
Darkcomet family
darkcomet

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

Crypted.exeexplorer.exe

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

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:

Crypted.exeexplorer.exe

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

873de7055a13ff974becb96df17c794d_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	873de7055a13ff974becb96df17c794d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

Crypted.exe

pid	Process
1992	Crypted.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

Crypted.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Crypted.exe

description	pid	Process	procid_target
PID 1992 set thread context of 1400	1992	Crypted.exe	88

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 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:

Crypted.exeexplorer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Crypted.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:

Crypted.exeexplorer.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Crypted.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	Crypted.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	Crypted.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Crypted.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

Crypted.exeexplorer.exe

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

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

Crypted.exeexplorer.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1992	Crypted.exe
Token: SeSecurityPrivilege	1992	Crypted.exe
Token: SeTakeOwnershipPrivilege	1992	Crypted.exe
Token: SeLoadDriverPrivilege	1992	Crypted.exe
Token: SeSystemProfilePrivilege	1992	Crypted.exe
Token: SeSystemtimePrivilege	1992	Crypted.exe
Token: SeProfSingleProcessPrivilege	1992	Crypted.exe
Token: SeIncBasePriorityPrivilege	1992	Crypted.exe
Token: SeCreatePagefilePrivilege	1992	Crypted.exe
Token: SeBackupPrivilege	1992	Crypted.exe
Token: SeRestorePrivilege	1992	Crypted.exe
Token: SeShutdownPrivilege	1992	Crypted.exe
Token: SeDebugPrivilege	1992	Crypted.exe
Token: SeSystemEnvironmentPrivilege	1992	Crypted.exe
Token: SeChangeNotifyPrivilege	1992	Crypted.exe
Token: SeRemoteShutdownPrivilege	1992	Crypted.exe
Token: SeUndockPrivilege	1992	Crypted.exe
Token: SeManageVolumePrivilege	1992	Crypted.exe
Token: SeImpersonatePrivilege	1992	Crypted.exe
Token: SeCreateGlobalPrivilege	1992	Crypted.exe
Token: 33	1992	Crypted.exe
Token: 34	1992	Crypted.exe
Token: 35	1992	Crypted.exe
Token: 36	1992	Crypted.exe
Token: SeIncreaseQuotaPrivilege	1400	explorer.exe
Token: SeSecurityPrivilege	1400	explorer.exe
Token: SeTakeOwnershipPrivilege	1400	explorer.exe
Token: SeLoadDriverPrivilege	1400	explorer.exe
Token: SeSystemProfilePrivilege	1400	explorer.exe
Token: SeSystemtimePrivilege	1400	explorer.exe
Token: SeProfSingleProcessPrivilege	1400	explorer.exe
Token: SeIncBasePriorityPrivilege	1400	explorer.exe
Token: SeCreatePagefilePrivilege	1400	explorer.exe
Token: SeBackupPrivilege	1400	explorer.exe
Token: SeRestorePrivilege	1400	explorer.exe
Token: SeShutdownPrivilege	1400	explorer.exe
Token: SeDebugPrivilege	1400	explorer.exe
Token: SeSystemEnvironmentPrivilege	1400	explorer.exe
Token: SeChangeNotifyPrivilege	1400	explorer.exe
Token: SeRemoteShutdownPrivilege	1400	explorer.exe
Token: SeUndockPrivilege	1400	explorer.exe
Token: SeManageVolumePrivilege	1400	explorer.exe
Token: SeImpersonatePrivilege	1400	explorer.exe
Token: SeCreateGlobalPrivilege	1400	explorer.exe
Token: 33	1400	explorer.exe
Token: 34	1400	explorer.exe
Token: 35	1400	explorer.exe
Token: 36	1400	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid	Process
1400	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

873de7055a13ff974becb96df17c794d_JaffaCakes118.exeCrypted.exe

description	pid	Process	procid_target
PID 4892 wrote to memory of 1992	4892	873de7055a13ff974becb96df17c794d_JaffaCakes118.exe	87
PID 4892 wrote to memory of 1992	4892	873de7055a13ff974becb96df17c794d_JaffaCakes118.exe	87
PID 4892 wrote to memory of 1992	4892	873de7055a13ff974becb96df17c794d_JaffaCakes118.exe	87
PID 1992 wrote to memory of 1400	1992	Crypted.exe	88
PID 1992 wrote to memory of 1400	1992	Crypted.exe	88
PID 1992 wrote to memory of 1400	1992	Crypted.exe	88
PID 1992 wrote to memory of 1400	1992	Crypted.exe	88
PID 1992 wrote to memory of 1400	1992	Crypted.exe	88

C:\Users\Admin\AppData\Local\Temp\873de7055a13ff974becb96df17c794d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\873de7055a13ff974becb96df17c794d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Users\Admin\AppData\Local\Temp\Crypted.exe
  "C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
  2⤵
  - Windows security bypass
  - Checks BIOS information in registry
  - Executes dropped EXE
  - 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
  PID:1992
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - Windows security bypass
    - Checks BIOS information in registry
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1400

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Crypted.exe

Filesize
658KB

MD5
18dd6347998c2bd8983db9e35999eb2e

SHA1
65e2041ec3e8f16b4ed6265804cd0d9696c32753

SHA256
7771becc80becdbcfdc697f8744f39b55a32862cc44b5fb5786b593323113060

SHA512
2dec23783af0a1b03aa1e04b406cf34fb29f8f381a3e967d1067f08ccd7928f92a014f989c85fbdb8abd165fab81aaaf1bb6a7dbefc62a8feda48a55d29d0b02

Download Submit
memory/1400-28-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1400-25-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1400-26-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1400-27-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1400-21-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1400-24-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1400-22-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1400-20-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/1992-19-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1992-23-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/4892-5-0x0000000000EB0000-0x0000000000EB8000-memory.dmp

Filesize
32KB

Download
memory/4892-18-0x00007FFBFB1A0000-0x00007FFBFBB41000-memory.dmp

Filesize
9.6MB

Download
memory/4892-8-0x00007FFBFB1A0000-0x00007FFBFBB41000-memory.dmp

Filesize
9.6MB

Download
memory/4892-7-0x00007FFBFB1A0000-0x00007FFBFBB41000-memory.dmp

Filesize
9.6MB

Download
memory/4892-6-0x000000001C150000-0x000000001C19C000-memory.dmp

Filesize
304KB

Download
memory/4892-0-0x00007FFBFB455000-0x00007FFBFB456000-memory.dmp

Filesize
4KB

Download
memory/4892-4-0x000000001BFF0000-0x000000001C08C000-memory.dmp

Filesize
624KB

Download
memory/4892-3-0x000000001BA10000-0x000000001BEDE000-memory.dmp

Filesize
4.8MB

Download
memory/4892-2-0x00007FFBFB1A0000-0x00007FFBFBB41000-memory.dmp

Filesize
9.6MB

Download
memory/4892-1-0x000000001B490000-0x000000001B536000-memory.dmp

Filesize
664KB

Download