d72702999c526afaf6f6341889d5a21dd02595c6108e040b8d8f75a03d4c5f5a | Triage

Analysis

max time kernel
90s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 17:21

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General

Target

$APPDATA/mIRC/bin/dll/in_midi.dll
Size

112KB
MD5

3abae4b35b0c9a7f5587a9d8d9c3ae38
SHA1

277bd830fcc48b5da259b75494867e4d01ee7b5a
SHA256

74145311806cd8953e4b9fc9f933cdaa5c65b69d1c18087027d681943e674781
SHA512

9e984c489c8a39f43820a74a782ba2948b24e6d60298c6efbab49f3a9a474b21c2a286e378effe9df545cb483b5e6d7ecd59e2a24c5f54af639e5fba3219edd0
SSDEEP

3072:mO8myHVYZiOIlTQcMciM9YR6e47QxovhyIJgK:ImCVYZ/+ViW5e47QxovN

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3632 wrote to memory of 4488	3632	rundll32.exe	83
PID 3632 wrote to memory of 4488	3632	rundll32.exe	83
PID 3632 wrote to memory of 4488	3632	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$APPDATA\mIRC\bin\dll\in_midi.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3632
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$APPDATA\mIRC\bin\dll\in_midi.dll,#1
  2⤵
  PID:4488

Network

MITRE ATT&CK Matrix

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