General

  • Target

    64ed74aeb1ec4ac688fc8223e3c79b54f7342cd62c2c2e1d738c40bf8371f2e8

  • Size

    2.0MB

  • Sample

    240522-2xravscc52

  • MD5

    fba1d001ed601aa71c5b71f99cabe7ee

  • SHA1

    7f2c7091e33b32aed82543204bd387fa34e097cb

  • SHA256

    64ed74aeb1ec4ac688fc8223e3c79b54f7342cd62c2c2e1d738c40bf8371f2e8

  • SHA512

    0452eb17cf5727237fbcb97d5a66a6b13edbb22d64b5794b2278513cb8bc8bdaa816a94dac3d6a2fdcd3181237dbedc211ab7168220a574b25a072f52640ec6b

  • SSDEEP

    49152:7QzHt472D3JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHt9tIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      64ed74aeb1ec4ac688fc8223e3c79b54f7342cd62c2c2e1d738c40bf8371f2e8

    • Size

      2.0MB

    • MD5

      fba1d001ed601aa71c5b71f99cabe7ee

    • SHA1

      7f2c7091e33b32aed82543204bd387fa34e097cb

    • SHA256

      64ed74aeb1ec4ac688fc8223e3c79b54f7342cd62c2c2e1d738c40bf8371f2e8

    • SHA512

      0452eb17cf5727237fbcb97d5a66a6b13edbb22d64b5794b2278513cb8bc8bdaa816a94dac3d6a2fdcd3181237dbedc211ab7168220a574b25a072f52640ec6b

    • SSDEEP

      49152:7QzHt472D3JtTF+TxMoxc1TU+j+dAzGwlrh:7QzHt9tIuoITsdZ

    • 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