909df004857e854a646328179d73a9738eec6b2eb559be3b0cd8d3c53b3dd29a | Triage

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 05:06

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General

Target

Dyn/BiDotKiller.dll
Size

53KB
MD5

74064d0514ef58f541c9ced3a4555ab3
SHA1

953930b3aa4eb2ae5cf05cf64b0017ae2a628dc6
SHA256

10ac50d145927b5db3eb82d9e05e52e0c6f3ce48fb1ad5a53a24b203db731ee9
SHA512

0b47cd4ef94b60a2421fb9f89d0e87c8ab6fe72ea0aa0944c95b9c43242b7e3ccbffd42963a2cd899ebfdda16963436293f481e6046d3273c020b60b42d63945
SSDEEP

768:I57ryz3hwTiwl+B0G4KWhmRvz6IkwIfiss2lPykn4LZck:IIhwTi0jhmR76IrIDlPykn4Wk

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
460	1828	WerFault.exe	87

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 1828	4092	rundll32.exe	87
PID 4092 wrote to memory of 1828	4092	rundll32.exe	87
PID 4092 wrote to memory of 1828	4092	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dyn\BiDotKiller.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dyn\BiDotKiller.dll,#1
  2⤵
  PID:1828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 600
    3⤵
    - Program crash
    PID:460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1828 -ip 1828
1⤵
PID:1584

Network

MITRE ATT&CK Matrix

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