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Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2023, 08:40

General

  • Target

    Stub.exe

  • Size

    47KB

  • MD5

    6c99b4c4064fe2ba0f3506b6283a16fa

  • SHA1

    08a9c6a87194d88999dddc3689b73bc4923e4e43

  • SHA256

    eb37d95815824d94246220ac0bb63bce4ad8f9b3e821362d2d35867e9b83068c

  • SHA512

    7d113e23bafd432ef8436e38c64ff12198db5b5cb547c02753e52e998a83deedbed36a46e4914f04fd70de76be69c41a440eeeffe903979bf62c5ca6aca93bef

  • SSDEEP

    768:6u/6ZTgoiziWUUM9rmo2qrdkxZLbkxQ86PI+ag0b3M8S5v5FwVhFNXw3tE7bhv8+:6u/6ZTgle2e1xQ8D+Gbc8S50FNAd4dS8

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

AloshWSF5555

C2

microwsfp5555.ddns.net:5555

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • 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\Stub.exe
    "C:\Users\Admin\AppData\Local\Temp\Stub.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1252

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1252-0-0x0000000000440000-0x0000000000452000-memory.dmp

    Filesize

    72KB

  • memory/1252-1-0x0000000075420000-0x0000000075BD0000-memory.dmp

    Filesize

    7.7MB

  • memory/1252-2-0x0000000004C80000-0x0000000004C90000-memory.dmp

    Filesize

    64KB

  • memory/1252-5-0x0000000005650000-0x00000000056EC000-memory.dmp

    Filesize

    624KB

  • memory/1252-6-0x0000000005CA0000-0x0000000006244000-memory.dmp

    Filesize

    5.6MB

  • memory/1252-7-0x0000000005760000-0x00000000057C6000-memory.dmp

    Filesize

    408KB

  • memory/1252-8-0x0000000075420000-0x0000000075BD0000-memory.dmp

    Filesize

    7.7MB