General

  • Target

    cec01eedf410a6ac0cdd3cf0a376492b3ed7a6ff6a32826eee8137dc9cb2cac0

  • Size

    2.0MB

  • Sample

    240520-2x6esaba2x

  • MD5

    4ac01e4741b77e1119f9f861683b1940

  • SHA1

    de37f40625aba41b267cc46fa07ebd0cbbd2f2c8

  • SHA256

    cec01eedf410a6ac0cdd3cf0a376492b3ed7a6ff6a32826eee8137dc9cb2cac0

  • SHA512

    c9f8823b32c42cef7a30e0b477b5daa47c07620ef99e71f98204a196883ce69d2fd5be1f3314b723dd1fd374fcf77a856ebb50c776fd13d531088cfc49b181b5

  • SSDEEP

    49152:IFno/jfYJtTF+TxMoxc1TU+j+dAzGkiT:IFno/jQtIuoITsdZT

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      cec01eedf410a6ac0cdd3cf0a376492b3ed7a6ff6a32826eee8137dc9cb2cac0

    • Size

      2.0MB

    • MD5

      4ac01e4741b77e1119f9f861683b1940

    • SHA1

      de37f40625aba41b267cc46fa07ebd0cbbd2f2c8

    • SHA256

      cec01eedf410a6ac0cdd3cf0a376492b3ed7a6ff6a32826eee8137dc9cb2cac0

    • SHA512

      c9f8823b32c42cef7a30e0b477b5daa47c07620ef99e71f98204a196883ce69d2fd5be1f3314b723dd1fd374fcf77a856ebb50c776fd13d531088cfc49b181b5

    • SSDEEP

      49152:IFno/jfYJtTF+TxMoxc1TU+j+dAzGkiT:IFno/jQtIuoITsdZT

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks