09e3df6d0af19553c48a891bc78cfbf269f7ae13c9490abc975ce33f18699313 | Triage

Analysis

max time kernel
454s
max time network
1176s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
04-04-2024 20:32

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General

Target

X2 2021 Official/zlib1.dll
Size

105KB
MD5

b8a9e91134e7c89440a0f95470d5e47b
SHA1

3cbcee30fc0a7e9807931bc0dafceb627042bfc9
SHA256

42967a768f341d9ce5174eb38a4d63754c3c41739e7d88f4e39cd7354c1fac71
SHA512

e8583ea94b9d1321889359317e367abc88e90e96d0d9243258244a527ffa2b13ab97d0787693ca328960ceb934ea11eefd14abafd640a654473c26e420d2ec54
SSDEEP

3072:Y15jVjUqf9CtXH/4UghkGTBfmJyqLEC9BRY:Yf81wpTB+Jyqb

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4912	2724	WerFault.exe	76

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2724	2480	rundll32.exe	76
PID 2480 wrote to memory of 2724	2480	rundll32.exe	76
PID 2480 wrote to memory of 2724	2480	rundll32.exe	76

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\X2 2021 Official\zlib1.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\X2 2021 Official\zlib1.dll",#1
  2⤵
  PID:2724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 448
    3⤵
    - Program crash
    PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2724 -ip 2724
1⤵
PID:1148

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2724-1-0x0000000062E80000-0x0000000062EA2000-memory.dmp

Filesize
136KB

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