125f296c4f5617819ff56818e3b6c6e2cc463a994e7061a8a5fc58dd189ea3e3 | Triage

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
20-07-2024 01:40

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General

Target

zlib1.dll
Size

58KB
MD5

80e41408f6d641dc1c0f5353a0cc8125
SHA1

6d957ba632df5b06d49a901f2772df4301610a2a
SHA256

b09537250201236472ccd3caff5c0c12a5fad262e1e951350e9e5ed2a81d9dde
SHA512

857d4dc087c73f00d79bf70edfc67ddc0b15a86a4fff366d91e5ef6684af43eed7dcf8579f6b4fb35dedd090973e2bde1a82aae07642136b608eeb1d567e5c03
SSDEEP

1536:b/jUwfZ7BURaHUry7nToIfYIOlIO+CM6:1x7BURaHUrgTBfev+CM6

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1936	1980	WerFault.exe	83

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 1980	4920	rundll32.exe	83
PID 4920 wrote to memory of 1980	4920	rundll32.exe	83
PID 4920 wrote to memory of 1980	4920	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\zlib1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\zlib1.dll,#1
  2⤵
  PID:1980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 600
    3⤵
    - Program crash
    PID:1936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1980 -ip 1980
1⤵
PID:3740

Network

MITRE ATT&CK Matrix

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