06fbcf3c86794d4832287b441d3c00a0c39ea09d5ba86e7e8cdac3a1ee6fd06d

Analysis

max time kernel
146s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
31/05/2024, 21:39

Target

PetyaDecryptor/libcrypto-1_1.dll
Size

2.0MB
MD5

6f52970d7a41141d3c93b3937bd6b84c
SHA1

bd94dcb31ff9e64b187af8f2361ec688bf5bb91d
SHA256

81e7e8206cf46c7aa3abb69a2a2dac8371bf5eea137df1901a84a5b7388fe768
SHA512

71b8da11ddb181a1864ca83e4a2d9a5e13948c372d7ea2d4fb5bb5e0acf957c039bd5456ad16c08dd2e18ef252ee492b01c84ecf748afdb616d5496faeca4437
SSDEEP

49152:T6kvSjcvQ/qpyr0kou74WAdvHoU6U1CPwDv3uFV0cSWPWb:2kvCcvQ/qpyr0koW6oUh1CPwDv3uFV0

Score

3^/10

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3912	1892	WerFault.exe	77

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 1892	4648	rundll32.exe	77
PID 4648 wrote to memory of 1892	4648	rundll32.exe	77
PID 4648 wrote to memory of 1892	4648	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\PetyaDecryptor\libcrypto-1_1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\PetyaDecryptor\libcrypto-1_1.dll,#1
  2⤵
  PID:1892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 492
    3⤵
    - Program crash
    PID:3912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1892 -ip 1892
1⤵
PID:3368