darkcomet | 22e1811e07bf8d3a5b757099cd38177a22c2c5eb66223afa1ea76a8707868bb3

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/10/2024, 07:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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

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

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	notepad.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1136 set thread context of 4212	1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	84
PID 4212 set thread context of 3524	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	95

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4212-3-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/4212-4-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/4212-5-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/4212-8-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/4212-7-0x0000000013140000-0x000000001320B000-memory.dmp	upx
behavioral2/memory/4212-20-0x0000000013140000-0x000000001320B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2884	3524	WerFault.exe	95

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

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

description	ioc	Process
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
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

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeSecurityPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeBackupPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeRestorePrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeShutdownPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeDebugPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeUndockPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: 33	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: 34	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: 35	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
Token: 36	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe
3524	explorer.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1136 wrote to memory of 4212	1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	84
PID 1136 wrote to memory of 4212	1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	84
PID 1136 wrote to memory of 4212	1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	84
PID 1136 wrote to memory of 4212	1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	84
PID 1136 wrote to memory of 4212	1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	84
PID 1136 wrote to memory of 4212	1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	84
PID 1136 wrote to memory of 4212	1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	84
PID 1136 wrote to memory of 4212	1136	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	84
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 4536	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	85
PID 4212 wrote to memory of 3524	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	95
PID 4212 wrote to memory of 3524	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	95
PID 4212 wrote to memory of 3524	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	95
PID 4212 wrote to memory of 3524	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	95
PID 4212 wrote to memory of 3524	4212	6dc96bc459a30c0ef21f7a2b39f8182f_JaffaCakes118.exe	95

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:1136
- 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:4212
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:4536
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3524
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 436
      4⤵
      Program crash
      PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3524 -ip 3524
1⤵
PID:2600

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windupdt\winupdate.exe

Filesize
312KB

MD5
6dc96bc459a30c0ef21f7a2b39f8182f

SHA1
459c2573aa44e0cd49c012968b48453dcb80e178

SHA256
22e1811e07bf8d3a5b757099cd38177a22c2c5eb66223afa1ea76a8707868bb3

SHA512
812d5f469941a1c8ca9c2b4b4fe50a4f65e67101a9cb87bc3759e8a1a365d10825f0ee312d8bc175bbb09a4c3d621d65dd2850f0f552073f24a7658534385fb5

Download Submit
memory/1136-6-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1136-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3524-18-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3524-19-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3524-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4212-4-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/4212-5-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/4212-9-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/4212-8-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/4212-7-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/4212-3-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/4212-20-0x0000000013140000-0x000000001320B000-memory.dmp

Filesize
812KB

Download
memory/4536-11-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads