darkcomet | 562249cccb775a9dcb17b91ebfac9543e852c081cd2cdf9e0b8d9e47660230cf

Analysis

max time kernel
18s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/02/2025, 21:08

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General

Target

JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe
Size

921KB
MD5

a3bd8ec59125f50068c895de7005f915
SHA1

bb4ac8c5dfca4777509babf4a00ea5548c9281f1
SHA256

562249cccb775a9dcb17b91ebfac9543e852c081cd2cdf9e0b8d9e47660230cf
SHA512

ebcb2e16c0af8d004a07a1db0980f9a2c3399120ca6f4b253740332f45e1fd666cd2eb26ade1eb020d4d2255111d4d1421aa1881ed8490ca13109def767facb4
SSDEEP

12288:sEDxfJJmFVTIIIo2PYJrmfkDY0TB1vdLACxLEIMsBkqeV/70G:sWf+Hv1JrmfkBTB1D1ET5

Score

10^/10

darkcomet defense_evasion discovery persistence rat trojan

Malware Config

Signatures

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

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

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

Windows security bypass 2 TTPs 2 IoCs

defense_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"	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	vbc.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2600	attrib.exe
2168	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2160	vbc.exe

Loads dropped DLL 1 IoCs

pid	Process
2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Windows security modification 2 TTPs 2 IoCs

defense_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"	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	vbc.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe"	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31

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	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.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

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2160	vbc.exe
Token: SeSecurityPrivilege	2160	vbc.exe
Token: SeTakeOwnershipPrivilege	2160	vbc.exe
Token: SeLoadDriverPrivilege	2160	vbc.exe
Token: SeSystemProfilePrivilege	2160	vbc.exe
Token: SeSystemtimePrivilege	2160	vbc.exe
Token: SeProfSingleProcessPrivilege	2160	vbc.exe
Token: SeIncBasePriorityPrivilege	2160	vbc.exe
Token: SeCreatePagefilePrivilege	2160	vbc.exe
Token: SeBackupPrivilege	2160	vbc.exe
Token: SeRestorePrivilege	2160	vbc.exe
Token: SeShutdownPrivilege	2160	vbc.exe
Token: SeDebugPrivilege	2160	vbc.exe
Token: SeSystemEnvironmentPrivilege	2160	vbc.exe
Token: SeChangeNotifyPrivilege	2160	vbc.exe
Token: SeRemoteShutdownPrivilege	2160	vbc.exe
Token: SeUndockPrivilege	2160	vbc.exe
Token: SeManageVolumePrivilege	2160	vbc.exe
Token: SeImpersonatePrivilege	2160	vbc.exe
Token: SeCreateGlobalPrivilege	2160	vbc.exe
Token: 33	2160	vbc.exe
Token: 34	2160	vbc.exe
Token: 35	2160	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2160	vbc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2780 wrote to memory of 2160	2780	JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe	31
PID 2160 wrote to memory of 2820	2160	vbc.exe	32
PID 2160 wrote to memory of 2820	2160	vbc.exe	32
PID 2160 wrote to memory of 2820	2160	vbc.exe	32
PID 2160 wrote to memory of 2820	2160	vbc.exe	32
PID 2160 wrote to memory of 2536	2160	vbc.exe	34
PID 2160 wrote to memory of 2536	2160	vbc.exe	34
PID 2160 wrote to memory of 2536	2160	vbc.exe	34
PID 2160 wrote to memory of 2536	2160	vbc.exe	34
PID 2536 wrote to memory of 2168	2536	cmd.exe	37
PID 2536 wrote to memory of 2168	2536	cmd.exe	37
PID 2536 wrote to memory of 2168	2536	cmd.exe	37
PID 2536 wrote to memory of 2168	2536	cmd.exe	37
PID 2820 wrote to memory of 2600	2820	cmd.exe	36
PID 2820 wrote to memory of 2600	2820	cmd.exe	36
PID 2820 wrote to memory of 2600	2820	cmd.exe	36
PID 2820 wrote to memory of 2600	2820	cmd.exe	36

System policy modification 1 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

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

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2600	attrib.exe
2168	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3bd8ec59125f50068c895de7005f915.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2160
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\vbc.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2820
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\vbc.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2600
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2536
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

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

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\vbc.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2160-32-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-38-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-11-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-9-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-41-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-39-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-28-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-26-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2160-22-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-20-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-18-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-40-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-16-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-33-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-13-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-31-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-14-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-30-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-36-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-35-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2160-34-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2780-0-0x0000000074981000-0x0000000074982000-memory.dmp

Filesize
4KB

Download
memory/2780-2-0x0000000074980000-0x0000000074F2B000-memory.dmp

Filesize
5.7MB

Download
memory/2780-29-0x0000000074980000-0x0000000074F2B000-memory.dmp

Filesize
5.7MB

Download
memory/2780-1-0x0000000074980000-0x0000000074F2B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads