c8d26636d2133e957ee5b3f4ad6022f9770403a057cf348f6e41a69f068df17d

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 04:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

72aca48a044628590d718ee76a8db447_JaffaCakes118.dll
Size

172KB
MD5

72aca48a044628590d718ee76a8db447
SHA1

855ce3447b55f4cd34c8af380ad181d33dac5e29
SHA256

c8d26636d2133e957ee5b3f4ad6022f9770403a057cf348f6e41a69f068df17d
SHA512

9a90998ee86b1b37d8698c187b0161c99734ab87ac236cf0ce8b8f137eda13d0355d45b6eca762810b91b408f9b092d9f4bd926beb7963629280376327a07a37
SSDEEP

3072:YsT2xUAWRSLMlBK2TmVmz60x9cO7yZk5ivmnrTCYU:dvAMlBmVmz9x9c2kvsCY

Score

6^/10

discovery persistence

Malware Config

Signatures

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Ryevefeda = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\72aca48a044628590d718ee76a8db447_JaffaCakes118.dll\",Startup"	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1604	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1604	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1604	2548	rundll32.exe	30
PID 2548 wrote to memory of 1604	2548	rundll32.exe	30
PID 2548 wrote to memory of 1604	2548	rundll32.exe	30
PID 2548 wrote to memory of 1604	2548	rundll32.exe	30
PID 2548 wrote to memory of 1604	2548	rundll32.exe	30
PID 2548 wrote to memory of 1604	2548	rundll32.exe	30
PID 2548 wrote to memory of 1604	2548	rundll32.exe	30
PID 1604 wrote to memory of 2536	1604	rundll32.exe	31
PID 1604 wrote to memory of 2536	1604	rundll32.exe	31
PID 1604 wrote to memory of 2536	1604	rundll32.exe	31
PID 1604 wrote to memory of 2536	1604	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72aca48a044628590d718ee76a8db447_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\72aca48a044628590d718ee76a8db447_JaffaCakes118.dll,#1
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2536

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1604-0-0x0000000002300000-0x0000000002340000-memory.dmp

Filesize
256KB

Download
memory/1604-1-0x0000000002300000-0x0000000002340000-memory.dmp

Filesize
256KB

Download
memory/1604-2-0x0000000010000000-0x0000000010041000-memory.dmp

Filesize
260KB

Download