73fc5e875928b29378a86bc0b94efe4385e4b396b55eb3418ffa67f2a35c82af | Triage

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 01:07

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General

Target

$PLUGINSDIR/Base64.dll
Size

4KB
MD5

f0e3845fefd227d7f1101850410ec849
SHA1

3067203fafd4237be0c186ddab7029dfcbdfb53e
SHA256

7c688940e73022bf526f07cc922a631a1b1db78a19439af6bafbff2a3b46d554
SHA512

584ae5a0d1c1639ba4e2187d0c8a0ac7e54c0be0a266029c4689d81c0c64a7f80e7d918da0df5c6344f9f7a114f30d8f2feda253b29e813bae086604731a3d8a
SSDEEP

48:SxSrr7xd14m4bLKwvnvcfDw1hEiauGkDVK+hIg4qT9/3lt:zr7xd14m4qw/vGwrEickDVthcE/

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2832	2180	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2180	2236	rundll32.exe	88
PID 2236 wrote to memory of 2180	2236	rundll32.exe	88
PID 2236 wrote to memory of 2180	2236	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Base64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Base64.dll,#1
  2⤵
  PID:2180
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 604
    3⤵
    - Program crash
    PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2180 -ip 2180
1⤵
PID:3100

Network

MITRE ATT&CK Matrix

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