General

  • Target

    Kleinschmidt GmbH Invoices - Payment Receipt..exe

  • Size

    796KB

  • Sample

    220919-nfzn1seea9

  • MD5

    3d2af31c95b477dc90f42b825ad7c126

  • SHA1

    9064ca55686edead9351d49c911c184caa236ae7

  • SHA256

    1fec1e11e26b8d1de831b50ff0163dfca3a751e3bb28ea372b54a7c9cc19cff6

  • SHA512

    8da1a7c125eee396cbc7e5a386503ce60c6ef2f187e0d158ab7491e60b90913df452fce94190821c1b41c819963879869756f6cbfe35c44e60efe71dafe1805d

  • SSDEEP

    6144:Gk4I1/j6U/sWc918LevX14oT61JDC2ya7/yo5tNLCFC7z/7tkW/x2RDXY3/+75f0:0UuscX8LqFY1JD/moblCAz5V/qYPe

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:6305

209.127.186.218:6305

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    MicroSoft-win.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Kleinschmidt GmbH Invoices - Payment Receipt..exe

    • Size

      796KB

    • MD5

      3d2af31c95b477dc90f42b825ad7c126

    • SHA1

      9064ca55686edead9351d49c911c184caa236ae7

    • SHA256

      1fec1e11e26b8d1de831b50ff0163dfca3a751e3bb28ea372b54a7c9cc19cff6

    • SHA512

      8da1a7c125eee396cbc7e5a386503ce60c6ef2f187e0d158ab7491e60b90913df452fce94190821c1b41c819963879869756f6cbfe35c44e60efe71dafe1805d

    • SSDEEP

      6144:Gk4I1/j6U/sWc918LevX14oT61JDC2ya7/yo5tNLCFC7z/7tkW/x2RDXY3/+75f0:0UuscX8LqFY1JD/moblCAz5V/qYPe

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Async RAT payload

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks