General

  • Target

    831e16e1c31f0493499063ac5f105094

  • Size

    196KB

  • Sample

    240131-b45tqahdb6

  • MD5

    831e16e1c31f0493499063ac5f105094

  • SHA1

    9b39625d2f232bbad4f34f6a5c69e01ebd63a13e

  • SHA256

    b29615b11f80ad3816e2207a6c1f242e3f0fb1487ecbac5b4c2b8f3957f00611

  • SHA512

    da334588c3fc3860a5e5833e4041332961c6702fdda7544f33981468f7c5e2128ee59dfd7c61d8cd87cb946bed5943ca7bed796691c885f89fce79090aa7645b

  • SSDEEP

    3072:fKYZIXcaXBItnFGSE6Ke3LErW8Vo5EYzdK7:f9IXLXSFFZ3LEK9zdK

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

13.66.221.58:7707

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    explorer.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      831e16e1c31f0493499063ac5f105094

    • Size

      196KB

    • MD5

      831e16e1c31f0493499063ac5f105094

    • SHA1

      9b39625d2f232bbad4f34f6a5c69e01ebd63a13e

    • SHA256

      b29615b11f80ad3816e2207a6c1f242e3f0fb1487ecbac5b4c2b8f3957f00611

    • SHA512

      da334588c3fc3860a5e5833e4041332961c6702fdda7544f33981468f7c5e2128ee59dfd7c61d8cd87cb946bed5943ca7bed796691c885f89fce79090aa7645b

    • SSDEEP

      3072:fKYZIXcaXBItnFGSE6Ke3LErW8Vo5EYzdK7:f9IXLXSFFZ3LEK9zdK

    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

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks