General

  • Target

    client.bin.exe

  • Size

    144KB

  • Sample

    221021-halx3sfffl

  • MD5

    f4fdcb900e7af47100ac9e46945fbd55

  • SHA1

    c1d235a9a2cae8d5a8d4f6ceb4eab9417e1b1fb2

  • SHA256

    9160b90fa4a6a9cf22f943dba92cec64e2dc03c2317b5d9ab50a753fc410ce43

  • SHA512

    236eef98d4695a5e1224a87a1dc598639e5c49f6dd192a96cc1b9f8305faa57078deb62d73906a33ba1c1fac4fa5ccc5f344a0f196dbba718b76a36667984ac2

  • SSDEEP

    3072:Bsp9iv+DYM5ob0HGNSKsstcnZTJQDgWPaySsdH5boWz:Op9iTMSb0mgKFcQjhdH

Malware Config

Extracted

Family

arrowrat

Botnet

%Group%

C2

%Hosts%:%Ports%

Mutex

%MTX%

Targets

    • Target

      client.bin.exe

    • Size

      144KB

    • MD5

      f4fdcb900e7af47100ac9e46945fbd55

    • SHA1

      c1d235a9a2cae8d5a8d4f6ceb4eab9417e1b1fb2

    • SHA256

      9160b90fa4a6a9cf22f943dba92cec64e2dc03c2317b5d9ab50a753fc410ce43

    • SHA512

      236eef98d4695a5e1224a87a1dc598639e5c49f6dd192a96cc1b9f8305faa57078deb62d73906a33ba1c1fac4fa5ccc5f344a0f196dbba718b76a36667984ac2

    • SSDEEP

      3072:Bsp9iv+DYM5ob0HGNSKsstcnZTJQDgWPaySsdH5boWz:Op9iTMSb0mgKFcQjhdH

    • ArrowRat

      Remote access tool with various capabilities first seen in late 2021.

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Async RAT payload

    • Modifies Installed Components in the registry

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks