darkcomet | 9f5cfb760359c3757d97b9115563fc05179b96f360a982f7a6232bf7135054b7

Analysis

max time kernel
149s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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

Executes dropped EXE 1 IoCs

Processes:

QNYpE.exe.exe

pid	Process
572	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	QNYpE.exe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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 572 set thread context of 3024	572	QNYpE.exe.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 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 46 IoCs

Processes:

QNYpE.exe.exeexplorer.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	572	QNYpE.exe.exe
Token: SeSecurityPrivilege	572	QNYpE.exe.exe
Token: SeTakeOwnershipPrivilege	572	QNYpE.exe.exe
Token: SeLoadDriverPrivilege	572	QNYpE.exe.exe
Token: SeSystemProfilePrivilege	572	QNYpE.exe.exe
Token: SeSystemtimePrivilege	572	QNYpE.exe.exe
Token: SeProfSingleProcessPrivilege	572	QNYpE.exe.exe
Token: SeIncBasePriorityPrivilege	572	QNYpE.exe.exe
Token: SeCreatePagefilePrivilege	572	QNYpE.exe.exe
Token: SeBackupPrivilege	572	QNYpE.exe.exe
Token: SeRestorePrivilege	572	QNYpE.exe.exe
Token: SeShutdownPrivilege	572	QNYpE.exe.exe
Token: SeDebugPrivilege	572	QNYpE.exe.exe
Token: SeSystemEnvironmentPrivilege	572	QNYpE.exe.exe
Token: SeChangeNotifyPrivilege	572	QNYpE.exe.exe
Token: SeRemoteShutdownPrivilege	572	QNYpE.exe.exe
Token: SeUndockPrivilege	572	QNYpE.exe.exe
Token: SeManageVolumePrivilege	572	QNYpE.exe.exe
Token: SeImpersonatePrivilege	572	QNYpE.exe.exe
Token: SeCreateGlobalPrivilege	572	QNYpE.exe.exe
Token: 33	572	QNYpE.exe.exe
Token: 34	572	QNYpE.exe.exe
Token: 35	572	QNYpE.exe.exe
Token: SeIncreaseQuotaPrivilege	3024	explorer.exe
Token: SeSecurityPrivilege	3024	explorer.exe
Token: SeTakeOwnershipPrivilege	3024	explorer.exe
Token: SeLoadDriverPrivilege	3024	explorer.exe
Token: SeSystemProfilePrivilege	3024	explorer.exe
Token: SeSystemtimePrivilege	3024	explorer.exe
Token: SeProfSingleProcessPrivilege	3024	explorer.exe
Token: SeIncBasePriorityPrivilege	3024	explorer.exe
Token: SeCreatePagefilePrivilege	3024	explorer.exe
Token: SeBackupPrivilege	3024	explorer.exe
Token: SeRestorePrivilege	3024	explorer.exe
Token: SeShutdownPrivilege	3024	explorer.exe
Token: SeDebugPrivilege	3024	explorer.exe
Token: SeSystemEnvironmentPrivilege	3024	explorer.exe
Token: SeChangeNotifyPrivilege	3024	explorer.exe
Token: SeRemoteShutdownPrivilege	3024	explorer.exe
Token: SeUndockPrivilege	3024	explorer.exe
Token: SeManageVolumePrivilege	3024	explorer.exe
Token: SeImpersonatePrivilege	3024	explorer.exe
Token: SeCreateGlobalPrivilege	3024	explorer.exe
Token: 33	3024	explorer.exe
Token: 34	3024	explorer.exe
Token: 35	3024	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid	Process
3024	explorer.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exeQNYpE.exe.exe

description	pid	Process	procid_target
PID 2384 wrote to memory of 572	2384	6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe	29
PID 2384 wrote to memory of 572	2384	6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe	29
PID 2384 wrote to memory of 572	2384	6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe	29
PID 2384 wrote to memory of 572	2384	6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe	29
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 2948	572	QNYpE.exe.exe	30
PID 572 wrote to memory of 3024	572	QNYpE.exe.exe	31
PID 572 wrote to memory of 3024	572	QNYpE.exe.exe	31
PID 572 wrote to memory of 3024	572	QNYpE.exe.exe	31
PID 572 wrote to memory of 3024	572	QNYpE.exe.exe	31
PID 572 wrote to memory of 3024	572	QNYpE.exe.exe	31
PID 572 wrote to memory of 3024	572	QNYpE.exe.exe	31

C:\Users\Admin\AppData\Local\Temp\6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6018c72c19e69bf8a1594ebae3bbb291_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- 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:572
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2948
- - 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:3024

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/572-44-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/572-11-0x0000000001B10000-0x0000000001B11000-memory.dmp

Filesize
4KB

Download
memory/2384-9-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2384-8-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2384-10-0x000007FEF6050000-0x000007FEF69ED000-memory.dmp

Filesize
9.6MB

Download
memory/2384-0-0x000007FEF630E000-0x000007FEF630F000-memory.dmp

Filesize
4KB

Download
memory/2948-14-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2948-38-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/3024-48-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3024-43-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3024-42-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3024-40-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3024-50-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3024-51-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3024-49-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download