General

  • Target

    YandexPackLoader.exe

  • Size

    225KB

  • Sample

    231010-t8weysge52

  • MD5

    b43083440ca3029dfb7fd0c49e7cfc44

  • SHA1

    f86f75d9c09c41488276c64e7eda83d2e4f446a3

  • SHA256

    ab46878ceebde6c63f67b89be385c73b338979d6c059d72f7655c6b6d5defede

  • SHA512

    05e7b0ec77f075b6a111b41a486f106377286de109f5cc8ce05fc76aab6a4a6dc20e5472bdac575a7d3479a1b5523d34837be088d55409878c9bcc68799c419c

  • SSDEEP

    3072:E8y0es/5skqFTMv4hQC2mC4UAONfvoxPQc5VAACDMVg38qA2KGEF+KnVW8itdlMI:zb/skqFTqJHUPQQVAA9TUtXFWz

Malware Config

Targets

    • Target

      YandexPackLoader.exe

    • Size

      225KB

    • MD5

      b43083440ca3029dfb7fd0c49e7cfc44

    • SHA1

      f86f75d9c09c41488276c64e7eda83d2e4f446a3

    • SHA256

      ab46878ceebde6c63f67b89be385c73b338979d6c059d72f7655c6b6d5defede

    • SHA512

      05e7b0ec77f075b6a111b41a486f106377286de109f5cc8ce05fc76aab6a4a6dc20e5472bdac575a7d3479a1b5523d34837be088d55409878c9bcc68799c419c

    • SSDEEP

      3072:E8y0es/5skqFTMv4hQC2mC4UAONfvoxPQc5VAACDMVg38qA2KGEF+KnVW8itdlMI:zb/skqFTqJHUPQQVAA9TUtXFWz

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v15

Tasks