0fcc8ec62ab1ce7c7f7835da76eeb6a16554c3243dfeb760cbe72f4cef634015

Analysis

max time kernel
131s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 09:00

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General

Target

6eed3bb731d7fafc6564a82d36e7d4f7_JaffaCakes118.exe
Size

30KB
MD5

6eed3bb731d7fafc6564a82d36e7d4f7
SHA1

94c4829454760bc7a84c3d1caec9c2a3c363554b
SHA256

0fcc8ec62ab1ce7c7f7835da76eeb6a16554c3243dfeb760cbe72f4cef634015
SHA512

76d0e33200799807593cb9bf803fbedd6d4ef765cbe19a12048f5f5472edff0f2fc6286435b73f5a6d0da21c0b9c19788668c3caf24bb6cce0d0c49fdabc264b
SSDEEP

768:o9wUMrsubOJVj4TYHVjSvht8eFGUMo74e3qs134moEilu0:okOJVj4TYAGUB4F23Pp

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-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-1170\\ufive17.exe"	6eed3bb731d7fafc6564a82d36e7d4f7_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-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uzfive172 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781863308-1170\\ufive17.exe"	6eed3bb731d7fafc6564a82d36e7d4f7_JaffaCakes118.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781863308-1170\Desktop.ini	6eed3bb731d7fafc6564a82d36e7d4f7_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-1-5-21-0243556031-888888379-781863308-1170\\ufive17.exe"	6eed3bb731d7fafc6564a82d36e7d4f7_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	6eed3bb731d7fafc6564a82d36e7d4f7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4576	6eed3bb731d7fafc6564a82d36e7d4f7_JaffaCakes118.exe
4576	6eed3bb731d7fafc6564a82d36e7d4f7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 3488	4576	6eed3bb731d7fafc6564a82d36e7d4f7_JaffaCakes118.exe	56
PID 4576 wrote to memory of 3488	4576	6eed3bb731d7fafc6564a82d36e7d4f7_JaffaCakes118.exe	56
PID 4576 wrote to memory of 3488	4576	6eed3bb731d7fafc6564a82d36e7d4f7_JaffaCakes118.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3488
- C:\Users\Admin\AppData\Local\Temp\6eed3bb731d7fafc6564a82d36e7d4f7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6eed3bb731d7fafc6564a82d36e7d4f7_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:4576

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/4576-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4576-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4576-1-0x00000000009F0000-0x0000000000A05000-memory.dmp

Filesize
84KB

Download
memory/4576-7-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download