darkcomet | 9f5cfb760359c3757d97b9115563fc05179b96f360a982f7a6232bf7135054b7

Analysis

max time kernel
149s
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
20-10-2024 03:17

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General

Target

6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe
Size

1.7MB
MD5

6018c72c19e69bf8a1594ebae3bbb291
SHA1

13b3a15ce9da31cc09563dd17fd912ef1b9f52a4
SHA256

9f5cfb760359c3757d97b9115563fc05179b96f360a982f7a6232bf7135054b7
SHA512

21c81d83c6983a2ce8ce8ae6d532597cf4eae418f357f75e6214c42687a617dd86b2e50d90e9f34bbe88adcb35d31e204a4a26f025c98f819cee8881494da967
SSDEEP

12288:9fvXLnXB7VYZUoIYbb4Y8sQs1fQnemNnKFlCPRHMMCDJBp5CfmcGD1r2OxctacJp:1lkMsDWmcGDNEyABo3ad867ILOo3

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

Processes:

QNYpE.exe.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe"	QNYpE.exe.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:

QNYpE.exe.exeexplorer.exe

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

6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

QNYpE.exe.exe

pid	Process
3504	QNYpE.exe.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

QNYpE.exe.exenotepad.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	QNYpE.exe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

QNYpE.exe.exe

description	pid	Process	procid_target
PID 3504 set thread context of 3948	3504	QNYpE.exe.exe	86

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

Processes:

QNYpE.exe.exenotepad.exeexplorer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QNYpE.exe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.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:

explorer.exeQNYpE.exe.exe

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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

QNYpE.exe.exeexplorer.exe

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

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

QNYpE.exe.exeexplorer.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3504	QNYpE.exe.exe
Token: SeSecurityPrivilege	3504	QNYpE.exe.exe
Token: SeTakeOwnershipPrivilege	3504	QNYpE.exe.exe
Token: SeLoadDriverPrivilege	3504	QNYpE.exe.exe
Token: SeSystemProfilePrivilege	3504	QNYpE.exe.exe
Token: SeSystemtimePrivilege	3504	QNYpE.exe.exe
Token: SeProfSingleProcessPrivilege	3504	QNYpE.exe.exe
Token: SeIncBasePriorityPrivilege	3504	QNYpE.exe.exe
Token: SeCreatePagefilePrivilege	3504	QNYpE.exe.exe
Token: SeBackupPrivilege	3504	QNYpE.exe.exe
Token: SeRestorePrivilege	3504	QNYpE.exe.exe
Token: SeShutdownPrivilege	3504	QNYpE.exe.exe
Token: SeDebugPrivilege	3504	QNYpE.exe.exe
Token: SeSystemEnvironmentPrivilege	3504	QNYpE.exe.exe
Token: SeChangeNotifyPrivilege	3504	QNYpE.exe.exe
Token: SeRemoteShutdownPrivilege	3504	QNYpE.exe.exe
Token: SeUndockPrivilege	3504	QNYpE.exe.exe
Token: SeManageVolumePrivilege	3504	QNYpE.exe.exe
Token: SeImpersonatePrivilege	3504	QNYpE.exe.exe
Token: SeCreateGlobalPrivilege	3504	QNYpE.exe.exe
Token: 33	3504	QNYpE.exe.exe
Token: 34	3504	QNYpE.exe.exe
Token: 35	3504	QNYpE.exe.exe
Token: 36	3504	QNYpE.exe.exe
Token: SeIncreaseQuotaPrivilege	3948	explorer.exe
Token: SeSecurityPrivilege	3948	explorer.exe
Token: SeTakeOwnershipPrivilege	3948	explorer.exe
Token: SeLoadDriverPrivilege	3948	explorer.exe
Token: SeSystemProfilePrivilege	3948	explorer.exe
Token: SeSystemtimePrivilege	3948	explorer.exe
Token: SeProfSingleProcessPrivilege	3948	explorer.exe
Token: SeIncBasePriorityPrivilege	3948	explorer.exe
Token: SeCreatePagefilePrivilege	3948	explorer.exe
Token: SeBackupPrivilege	3948	explorer.exe
Token: SeRestorePrivilege	3948	explorer.exe
Token: SeShutdownPrivilege	3948	explorer.exe
Token: SeDebugPrivilege	3948	explorer.exe
Token: SeSystemEnvironmentPrivilege	3948	explorer.exe
Token: SeChangeNotifyPrivilege	3948	explorer.exe
Token: SeRemoteShutdownPrivilege	3948	explorer.exe
Token: SeUndockPrivilege	3948	explorer.exe
Token: SeManageVolumePrivilege	3948	explorer.exe
Token: SeImpersonatePrivilege	3948	explorer.exe
Token: SeCreateGlobalPrivilege	3948	explorer.exe
Token: 33	3948	explorer.exe
Token: 34	3948	explorer.exe
Token: 35	3948	explorer.exe
Token: 36	3948	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid	Process
3948	explorer.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exeQNYpE.exe.exe

description	pid	Process	procid_target
PID 3904 wrote to memory of 3504	3904	6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe	84
PID 3904 wrote to memory of 3504	3904	6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe	84
PID 3904 wrote to memory of 3504	3904	6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe	84
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 552	3504	QNYpE.exe.exe	85
PID 3504 wrote to memory of 3948	3504	QNYpE.exe.exe	86
PID 3504 wrote to memory of 3948	3504	QNYpE.exe.exe	86
PID 3504 wrote to memory of 3948	3504	QNYpE.exe.exe	86
PID 3504 wrote to memory of 3948	3504	QNYpE.exe.exe	86
PID 3504 wrote to memory of 3948	3504	QNYpE.exe.exe	86

C:\Users\Admin\AppData\Local\Temp\6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\QNYpE.exe.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\QNYpE.exe.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Adds Run key to start application
  - 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:3504
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:552
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - 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:3948

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

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\Roaming\Microsoft\Windows\Templates\QNYpE.exe.exe

Filesize
659KB

MD5
877cf5daefc21905bd5f9770a53a1dab

SHA1
7583ad48ce57b8ee52367d5a187c0449ccb71329

SHA256
0d3964500fa3d0a43d1ade38345ffb9760a78769e5942d687e8767b82cfacf16

SHA512
36f83447670b0a6ba2a7d29ea205fe12388d8475dff545bc02ae33f36d7a39914277680b4cafa893957da745df26b156d964fe8624bcab3bc7baeddb31650304

Download Submit
memory/552-15-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/3504-28-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3504-13-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/3904-1-0x00007FF8DF890000-0x00007FF8E0231000-memory.dmp

Filesize
9.6MB

Download
memory/3904-2-0x000000001BEC0000-0x000000001BF66000-memory.dmp

Filesize
664KB

Download
memory/3904-8-0x00007FF8DF890000-0x00007FF8E0231000-memory.dmp

Filesize
9.6MB

Download
memory/3904-17-0x00007FF8DF890000-0x00007FF8E0231000-memory.dmp

Filesize
9.6MB

Download
memory/3904-0-0x00007FF8DFB45000-0x00007FF8DFB46000-memory.dmp

Filesize
4KB

Download
memory/3948-22-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3948-23-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3948-27-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3948-26-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3948-25-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3948-24-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3948-21-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3948-29-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download