c6528a80d33935889303e4ccdd283f4881079da9b065792fae355c72b5072230

Analysis

max time kernel
135s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 20:01

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General

Target

b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe
Size

29KB
MD5

b8f4ac521d98ae8cca727cb6aef4d6bf
SHA1

cb70ed289a79a0d7f24410176c17e4570fc3e545
SHA256

c6528a80d33935889303e4ccdd283f4881079da9b065792fae355c72b5072230
SHA512

30dde87e88a89ecb739afa49393fa785c37292042f37a9e7692dfada98fe9a3c61f3519ac914349d760030cae694e97ba9db855bc5273e25dc770819c8f97768
SSDEEP

384:HPmTeb4jYTkPwIuJ6MdXJy8b3sYOXJ5dOMYuBGxOwuIwzgb2el0wYcwWIv9SeCBi:HeluoUZx3sYWp+RwwIgbUwYcwS

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-1343\\jwjqa.exe"	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sdjwe = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-1343\\jwjqa.exe"	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-1343\Desktop.ini	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-1343\\jwjqa.exe"	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4044	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe
4044	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe
4044	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe
4044	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe
4044	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe
4044	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 3492	4044	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe	56
PID 4044 wrote to memory of 3492	4044	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe	56
PID 4044 wrote to memory of 3492	4044	b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3492
- C:\Users\Admin\AppData\Local\Temp\b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b8f4ac521d98ae8cca727cb6aef4d6bf_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - Drops desktop.ini file(s)
  - Modifies WinLogon
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4044

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4044-0-0x0000000000430000-0x0000000000435000-memory.dmp

Filesize
20KB

Download
memory/4044-1-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/4044-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download