8da6ee120b4c46531a4daa180bb5df3964e817407e941c8cc6aeffbab923ef38 | Triage

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2023 14:48

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General

Target

Serv-U/RhinoNET.dll
Size

100KB
MD5

fd0d212ac0b1ca69863967cb2b038586
SHA1

01fd56785d9e384af658df55fb168ffc895cb225
SHA256

d029921c3765fff819ba17d3097b9328c98f6819ee14b83702b37d0dea9bab2c
SHA512

2f66b32fb2a1bc43c71a39f714c523c922b8b13809b4e0bbdcac1a149a5d889032945cf3acf40548eb35599e4e825d87155080c08a2f4cc74701c37caabb5cec
SSDEEP

1536:hApSE6C7cFP6RDXa8albve1/xaT6F/BrNQkt8LZBVrM8tr:hAAkcF+Da86vSJaTPoYPrM8

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3268	1924	WerFault.exe	85

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 1924	4860	rundll32.exe	85
PID 4860 wrote to memory of 1924	4860	rundll32.exe	85
PID 4860 wrote to memory of 1924	4860	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Serv-U\RhinoNET.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Serv-U\RhinoNET.dll,#1
  2⤵
  PID:1924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 616
    3⤵
    - Program crash
    PID:3268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1924 -ip 1924
1⤵
PID:4140

Network

MITRE ATT&CK Matrix

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