General

  • Target

    AsyncClient.exe

  • Size

    48KB

  • Sample

    230427-f7298afg6t

  • MD5

    f543c4cf51fb25b1bacb1bd54b9d8bc1

  • SHA1

    13b1846a380f4a4840cce067d274d1d0eaf4076e

  • SHA256

    2feff6f4c4076cf3938109607fe65dd5f0de893aad9ea2e732a2a37f3aa55f35

  • SHA512

    d3c7fcc79a69cdd87dbc873a237dcb963d8f14d80a63674384070538fafbde9230056c487a0833903608b71551104db7ef07ef3644b4ece4811de64bce8bdeb0

  • SSDEEP

    768:8ugSNTokqd97WUHgAKpmo2q7qPGlhPIkZHNe2dxbpzZmigzXxYMLDpBDZIR:8ugSNToTdQT2g+SHNDLbp0fzl3dIR

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:61288

146.70.165.10:61288

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Microsoft Update.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      AsyncClient.exe

    • Size

      48KB

    • MD5

      f543c4cf51fb25b1bacb1bd54b9d8bc1

    • SHA1

      13b1846a380f4a4840cce067d274d1d0eaf4076e

    • SHA256

      2feff6f4c4076cf3938109607fe65dd5f0de893aad9ea2e732a2a37f3aa55f35

    • SHA512

      d3c7fcc79a69cdd87dbc873a237dcb963d8f14d80a63674384070538fafbde9230056c487a0833903608b71551104db7ef07ef3644b4ece4811de64bce8bdeb0

    • SSDEEP

      768:8ugSNTokqd97WUHgAKpmo2q7qPGlhPIkZHNe2dxbpzZmigzXxYMLDpBDZIR:8ugSNToTdQT2g+SHNDLbp0fzl3dIR

    Score
    10/10
    • AsyncRat

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

    • Async RAT payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

MITRE ATT&CK Enterprise v6

Tasks