Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2023 09:09

General

  • Target

    bPyj.exe

  • Size

    47KB

  • MD5

    3d368131608f322b6483637db18a1828

  • SHA1

    6eefb2bdd93843af11fb69bc0979b593e499a480

  • SHA256

    55023584cad284f8c24be6d43ad6c551c08754bf2ed23e9e34b15b5d9df42582

  • SHA512

    49244e80ce12314342982e3e2bd71b17dd817c09bd106135f3b2ca4ac84c5867ef35b02e8a5faf0e8915d2c29b338d08a73f2e21785102ac766d579815e320a4

  • SSDEEP

    768:wq+s3pUtDILNCCa+DikFZdgrcqis+8YbLgeCcmPCM8vEgK/J3ZVc6KN:wq+AGtQOkirUzb08mPCfnkJ3ZVclN

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

VBS09

C2

4Mekey.myftp.biz:8848

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bPyj.exe
    "C:\Users\Admin\AppData\Local\Temp\bPyj.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4604

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4604-0-0x0000000000010000-0x0000000000022000-memory.dmp

    Filesize

    72KB

  • memory/4604-1-0x00007FFCEB0E0000-0x00007FFCEBBA1000-memory.dmp

    Filesize

    10.8MB

  • memory/4604-2-0x0000000002190000-0x00000000021A0000-memory.dmp

    Filesize

    64KB

  • memory/4604-3-0x00007FFCF5AF0000-0x00007FFCF5B09000-memory.dmp

    Filesize

    100KB

  • memory/4604-4-0x00007FFCEB0E0000-0x00007FFCEBBA1000-memory.dmp

    Filesize

    10.8MB

  • memory/4604-5-0x0000000002190000-0x00000000021A0000-memory.dmp

    Filesize

    64KB