Analysis

  • max time kernel
    129s
  • max time network
    157s
  • platform
    windows10-1703_x64
  • resource
    win10-20240611-en
  • resource tags

    arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
  • submitted
    02-08-2024 04:30

General

  • Target

    AsyncClient.exe

  • Size

    47KB

  • MD5

    d542125ace9d47530ca4e1cd063a079c

  • SHA1

    db95598b83ecf1fcea20a3278af5ae5cd823eba9

  • SHA256

    d428532f04283c068b6573959024a90a872f1d0914f50eea77f75ddf051259c4

  • SHA512

    9ed26a55024463c2d17b03051575506c8f988f8af8244ace9dbcd65a26ce78177ddae6aa96b703e784e3a9813b91629b04fd37deb7e2a1e8121bea702cef3e7f

  • SSDEEP

    768:Au/dRTUo0HQbWUnmjSmo2qMmGfFR8PIMpvJeXrKA0bco4DLWTiRGGcigLBDZjx:Au/dRTUPE2aG9RBMpvJeXrObc64cdjx

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

195.88.218.76:6606

Mutex

7W5mFQvKnly6

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#.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4416-0-0x00000000735BE000-0x00000000735BF000-memory.dmp

    Filesize

    4KB

  • memory/4416-1-0x0000000000E90000-0x0000000000EA2000-memory.dmp

    Filesize

    72KB

  • memory/4416-2-0x00000000735B0000-0x0000000073C9E000-memory.dmp

    Filesize

    6.9MB

  • memory/4416-5-0x0000000005EC0000-0x0000000005F5C000-memory.dmp

    Filesize

    624KB

  • memory/4416-6-0x0000000006460000-0x000000000695E000-memory.dmp

    Filesize

    5.0MB

  • memory/4416-7-0x0000000005FD0000-0x0000000006036000-memory.dmp

    Filesize

    408KB

  • memory/4416-8-0x0000000006F20000-0x0000000006F96000-memory.dmp

    Filesize

    472KB

  • memory/4416-9-0x0000000006EA0000-0x0000000006F08000-memory.dmp

    Filesize

    416KB

  • memory/4416-10-0x0000000007020000-0x000000000703E000-memory.dmp

    Filesize

    120KB

  • memory/4416-11-0x0000000007360000-0x00000000073F2000-memory.dmp

    Filesize

    584KB

  • memory/4416-12-0x00000000735BE000-0x00000000735BF000-memory.dmp

    Filesize

    4KB

  • memory/4416-13-0x00000000735B0000-0x0000000073C9E000-memory.dmp

    Filesize

    6.9MB