59b38987de7ff8b3cead10f259cf56b8117137b87ba5549097abae2c9b59ef69 | Triage

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 11:56

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General

Target

tier0_s.dll
Size

318KB
MD5

5362edda8f57d5adcef76cb4ae600804
SHA1

c9b6b96cab8699193e11f9d3dcf8776a01594532
SHA256

59b38987de7ff8b3cead10f259cf56b8117137b87ba5549097abae2c9b59ef69
SHA512

ab6eb9adb057d555385ea287c8045d8e51046f3e6999339dd6ffd695018327ede263ac916e96498460a26dd5e4c02423650261ec5a2902e1fd7d0966ca9aad79
SSDEEP

6144:yPmMFOTtPnZ38yModv3UnnIcFGtZ0qE5JJtnv4g/zhW6egI:wmEOTVOodv3UnnIcItZ0qoJtnv4gtW9v

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2404	2380	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 2380	2164	rundll32.exe	28
PID 2164 wrote to memory of 2380	2164	rundll32.exe	28
PID 2164 wrote to memory of 2380	2164	rundll32.exe	28
PID 2164 wrote to memory of 2380	2164	rundll32.exe	28
PID 2164 wrote to memory of 2380	2164	rundll32.exe	28
PID 2164 wrote to memory of 2380	2164	rundll32.exe	28
PID 2164 wrote to memory of 2380	2164	rundll32.exe	28
PID 2380 wrote to memory of 2404	2380	rundll32.exe	29
PID 2380 wrote to memory of 2404	2380	rundll32.exe	29
PID 2380 wrote to memory of 2404	2380	rundll32.exe	29
PID 2380 wrote to memory of 2404	2380	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tier0_s.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\tier0_s.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 240
    3⤵
    - Program crash
    PID:2404

Network

MITRE ATT&CK Matrix

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