darkcomet | a4bdc360927c533b38e388c2dbce77dda3f03793557408fdf06f1935dc9cca80

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 13:54

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General

Target

40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Size

741KB
MD5

40399abf2fd406ffe2b6243026cb79a1
SHA1

64388c49d752237ec715a319691864113d5faa34
SHA256

a4bdc360927c533b38e388c2dbce77dda3f03793557408fdf06f1935dc9cca80
SHA512

184915fbc8f44bf714bcd270e3c61b9e9778bec3877bea216f0858a72ca2aadb4cf9ef5ddf973e1b0d678e1a3dd4fe4fa8e5d2dc25bc7d0333017eba447355bd
SSDEEP

12288:UQkPrGW1QBtr6wk8KNv0l/sd6QJdi39MujlaXIU7I0UxjjEILY:UZD03RwvS/K62i39Mujos0gE

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

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

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\\Windupdt\\svchost.exe"	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	svchost.exe

Deletes itself 1 IoCs

pid	Process
2704	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1424	svchost.exe
2288	svchost.exe

Loads dropped DLL 3 IoCs

pid	Process
2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
1424	svchost.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nvidia = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\svchost.exe"	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2400 set thread context of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 1424 set thread context of 2288	1424	svchost.exe	33

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2652	PING.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	svchost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2652	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2288	svchost.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeSecurityPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeBackupPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeRestorePrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeShutdownPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeDebugPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeUndockPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: 33	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: 34	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: 35	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2288	svchost.exe
Token: SeSecurityPrivilege	2288	svchost.exe
Token: SeTakeOwnershipPrivilege	2288	svchost.exe
Token: SeLoadDriverPrivilege	2288	svchost.exe
Token: SeSystemProfilePrivilege	2288	svchost.exe
Token: SeSystemtimePrivilege	2288	svchost.exe
Token: SeProfSingleProcessPrivilege	2288	svchost.exe
Token: SeIncBasePriorityPrivilege	2288	svchost.exe
Token: SeCreatePagefilePrivilege	2288	svchost.exe
Token: SeBackupPrivilege	2288	svchost.exe
Token: SeRestorePrivilege	2288	svchost.exe
Token: SeShutdownPrivilege	2288	svchost.exe
Token: SeDebugPrivilege	2288	svchost.exe
Token: SeSystemEnvironmentPrivilege	2288	svchost.exe
Token: SeChangeNotifyPrivilege	2288	svchost.exe
Token: SeRemoteShutdownPrivilege	2288	svchost.exe
Token: SeUndockPrivilege	2288	svchost.exe
Token: SeManageVolumePrivilege	2288	svchost.exe
Token: SeImpersonatePrivilege	2288	svchost.exe
Token: SeCreateGlobalPrivilege	2288	svchost.exe
Token: 33	2288	svchost.exe
Token: 34	2288	svchost.exe
Token: 35	2288	svchost.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
1424	svchost.exe
1424	svchost.exe
2288	svchost.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2400 wrote to memory of 2108	2400	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	30
PID 2108 wrote to memory of 1424	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	31
PID 2108 wrote to memory of 1424	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	31
PID 2108 wrote to memory of 1424	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	31
PID 2108 wrote to memory of 1424	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	31
PID 2108 wrote to memory of 2704	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	32
PID 2108 wrote to memory of 2704	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	32
PID 2108 wrote to memory of 2704	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	32
PID 2108 wrote to memory of 2704	2108	40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe	32
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 1424 wrote to memory of 2288	1424	svchost.exe	33
PID 2704 wrote to memory of 2652	2704	cmd.exe	35
PID 2704 wrote to memory of 2652	2704	cmd.exe	35
PID 2704 wrote to memory of 2652	2704	cmd.exe	35
PID 2704 wrote to memory of 2652	2704	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\40399abf2fd406ffe2b6243026cb79a1_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Loads dropped DLL
  - Adds Run key to start application
  - 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:2108
- - C:\Users\Admin\AppData\Roaming\Windupdt\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Windupdt\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1424
  - - C:\Users\Admin\AppData\Roaming\Windupdt\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Windupdt\svchost.exe"
      4⤵
      Checks BIOS information in registry
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2288
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2652

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat

Filesize
119B

MD5
b654e16c7c38509588c39f9d4afd31e7

SHA1
b890cd102295bf2412f835271c601198a5b3c2aa

SHA256
28ac9f8c539a7bf2cd9529e6ef0751796b7375221a5730f8ed15c30e3d97dfa0

SHA512
41cfba836784a4a9a94f4e77fc54a8927c75fd64677a1d115be1a0c484712910ac2fed0098f6888c969aa5fb4dd8aa0a46bc5518ad18e9c39970142515d5c93a

Download Submit
C:\Users\Admin\AppData\Roaming\Windupdt\svchost.exe

Filesize
741KB

MD5
40399abf2fd406ffe2b6243026cb79a1

SHA1
64388c49d752237ec715a319691864113d5faa34

SHA256
a4bdc360927c533b38e388c2dbce77dda3f03793557408fdf06f1935dc9cca80

SHA512
184915fbc8f44bf714bcd270e3c61b9e9778bec3877bea216f0858a72ca2aadb4cf9ef5ddf973e1b0d678e1a3dd4fe4fa8e5d2dc25bc7d0333017eba447355bd

Download Submit
memory/2108-34-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2108-3-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2108-4-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2108-5-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2108-7-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2108-6-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2108-2-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-41-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-49-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-38-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-43-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-42-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-39-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-40-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-45-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-46-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-47-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-48-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-37-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-50-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-51-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-52-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-53-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-54-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-55-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-56-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-57-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2288-58-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads