576865113de8d0e0a2200f33c41345c2f6f25778d38bd6930430113df078f3e8 | Triage

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 16:44

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General

Target

asycfilt.dll
Size

63KB
MD5

1c41c8f859ededa48d904a6e2425c31a
SHA1

3411a2baa3b5a0360e07df59ad4e1161d84c51b4
SHA256

094a0df910fe440e2e98730e1ff259100b2cf8e3f0fce4d85267e57f5c43ecbd
SHA512

b724370bee7f685740f1d94b5ef1ed9c5f0adadc0b97c44abc3f22545d1f58872d5e6c1f2bb4bf6026696c340fa1c05be779094c8a1605b55540006cff2f1143
SSDEEP

1536:dJ+l97zWcgHubVZikHcqw8fdShGMMT5Elp0wnR/cHfup7/+:da97zlbO4nChGMk5EP0wC/up7+

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 300	1984	rundll32.exe	29
PID 1984 wrote to memory of 300	1984	rundll32.exe	29
PID 1984 wrote to memory of 300	1984	rundll32.exe	29
PID 1984 wrote to memory of 300	1984	rundll32.exe	29
PID 1984 wrote to memory of 300	1984	rundll32.exe	29
PID 1984 wrote to memory of 300	1984	rundll32.exe	29
PID 1984 wrote to memory of 300	1984	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\asycfilt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\asycfilt.dll,#1
  2⤵
  PID:300

Network

MITRE ATT&CK Matrix

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Downloads