f003fc7873b3ebaced1ac2ea207a27ef9a3140f7d74c0305ac9cf8bdb64370bb | Triage

Analysis

max time kernel
146s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
16/06/2024, 12:18

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General

Target

unrar.dll
Size

158KB
MD5

eea6103d96b51e41c058ad2676cdf53e
SHA1

5b189298039b67df653c62db5d5c490472ccbef7
SHA256

db4c1d956c6350ba8f7899ba046f71d135b6f7b73ed0b5ec237eea2060a3277e
SHA512

c9ad835d006f3b27343b2b2de832ec4c638bb7b37609dc3cfd92eb80e6f4f1a0f8f3de19c40efb675bcdec1c2ea84558cfc559475ca5d631bf91c04b35dbb132
SSDEEP

3072:lwIKRLhMEH4W1/Ybb1sU0lIyxE16QCL7QcomrpIjiHvHpqPQxhXypCO:aIiLhME/gbW7/K16QCxHpqYxhXy

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4068	1524	WerFault.exe	77

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 1524	5040	rundll32.exe	77
PID 5040 wrote to memory of 1524	5040	rundll32.exe	77
PID 5040 wrote to memory of 1524	5040	rundll32.exe	77

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\unrar.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\unrar.dll,#1
  2⤵
  PID:1524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 468
    3⤵
    - Program crash
    PID:4068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1524 -ip 1524
1⤵
PID:3560

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1524-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

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