matanbuchus | e66c2a09074fa94390262c8b925988e7d9a085edcc97cad79e2ccc9c0e862567

Analysis

max time kernel
30s
max time network
32s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2024 01:17

Target

Mat.dll
Size

2.5MB
MD5

64a2807bc1385ee99c892012ed0a62bf
SHA1

1d21c43b582ca6ad77714c05976fe5827f028bd0
SHA256

e66c2a09074fa94390262c8b925988e7d9a085edcc97cad79e2ccc9c0e862567
SHA512

78352c8643206849726ff7240d9a80faedc76f9586943dd8cdb649ff62af658a849258783fec50157b5f7118a0442ab538a475886d44a2993b2aa7be1b5b46a1
SSDEEP

24576:mqT2k/bnfBTdVrDEAI4OB0BamaA0OsvmEvLn7m0ot1:DT28bnftdxDBI10HawQmUOb

Score

10^/10

Matanbuchus
A loader sold as MaaS first seen in February 2021.
loader matanbuchus

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 940	2616	regsvr32.exe	87
PID 2616 wrote to memory of 940	2616	regsvr32.exe	87
PID 2616 wrote to memory of 940	2616	regsvr32.exe	87

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Mat.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Mat.dll
  2⤵
  PID:940

memory/940-0-0x0000000002460000-0x0000000002627000-memory.dmp

Filesize
1.8MB

Download
memory/940-1-0x0000000077AF2000-0x0000000077AF3000-memory.dmp

Filesize
4KB

Download
memory/940-2-0x0000000001FB0000-0x000000000202B000-memory.dmp

Filesize
492KB

Download
memory/940-3-0x0000000000440000-0x0000000000441000-memory.dmp

Filesize
4KB

Download
memory/940-4-0x0000000002460000-0x0000000002627000-memory.dmp

Filesize
1.8MB

Download