darkcomet | 22e1811e07bf8d3a5b757099cd38177a22c2c5eb66223afa1ea76a8707868bb3

Analysis

max time kernel
140s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 07:51

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General

Target

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Size

312KB
MD5

6dc96bc459a30c0ef21f7a2b39f8182f
SHA1

459c2573aa44e0cd49c012968b48453dcb80e178
SHA256

22e1811e07bf8d3a5b757099cd38177a22c2c5eb66223afa1ea76a8707868bb3
SHA512

812d5f469941a1c8ca9c2b4b4fe50a4f65e67101a9cb87bc3759e8a1a365d10825f0ee312d8bc175bbb09a4c3d621d65dd2850f0f552073f24a7658534385fb5
SSDEEP

6144:Yo890Aq86o596kiWMFRsPIEKn8mEvDvW6s/JxvK4GnpYL6GctqY8ri:YoU8vo59EfaPIEvmIKFKdYL6/Fx

Score

10^/10

darkcomet discovery persistence rat trojan upx

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:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.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"	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exenotepad.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	notepad.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2840 set thread context of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2496 set thread context of 2412	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	31

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2496-3-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2496-4-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2496-6-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2496-8-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2496-7-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral1/memory/2496-53-0x0000000013140000-0x000000001320B000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 4 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:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exenotepad.exeexplorer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.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 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeSecurityPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeBackupPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeRestorePrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeShutdownPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeDebugPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeUndockPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: 33	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: 34	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: 35	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exeexplorer.exe

pid	Process
2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
2412	explorer.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2840 wrote to memory of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2840 wrote to memory of 2496	2840	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	29
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 1384	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	30
PID 2496 wrote to memory of 2412	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	31
PID 2496 wrote to memory of 2412	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	31
PID 2496 wrote to memory of 2412	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	31
PID 2496 wrote to memory of 2412	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	31
PID 2496 wrote to memory of 2412	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	31
PID 2496 wrote to memory of 2412	2496	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\Temp\6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - 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:2496
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1384
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2412

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:\Windupdt\winupdate.exe

Filesize
312KB

MD5
6dc96bc459a30c0ef21f7a2b39f8182f

SHA1
459c2573aa44e0cd49c012968b48453dcb80e178

SHA256
22e1811e07bf8d3a5b757099cd38177a22c2c5eb66223afa1ea76a8707868bb3

SHA512
812d5f469941a1c8ca9c2b4b4fe50a4f65e67101a9cb87bc3759e8a1a365d10825f0ee312d8bc175bbb09a4c3d621d65dd2850f0f552073f24a7658534385fb5

Download Submit
memory/1384-11-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1384-40-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2412-51-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2412-47-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2412-56-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2412-45-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2412-52-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2496-9-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2496-4-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/2496-3-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/2496-6-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/2496-7-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/2496-53-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/2496-8-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/2840-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2840-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download