Resubmissions

11-11-2022 20:39

221111-zfffxsec2w 8

11-11-2022 19:29

221111-x7grysde7z 8

General

  • Target

    Yandex (1).exe

  • Size

    2.2MB

  • Sample

    221111-x7grysde7z

  • MD5

    841b79c3bd9ef08da8616faa4df033f0

  • SHA1

    eb1eb7a7b862360c64477ba1a0eb2b490c5530e3

  • SHA256

    efb4786e8b964e62b97f4b60fd4d6ad2d14a4a112d76d920a19bc93bd4610f45

  • SHA512

    14fc348bcd379bfffeb004f25988ccbcf35413039bd82c301575017a62fd44c516e20c43db818c8fb5170e9abfa1186179864983157241a268fa4f0a78c4c848

  • SSDEEP

    49152:bILXlcHvCEPMae+z2b9lJ/gXDs+R+r5u8Qeg:sBcPHMae+Sb9lJ/YeKf

Malware Config

Targets

    • Target

      Yandex (1).exe

    • Size

      2.2MB

    • MD5

      841b79c3bd9ef08da8616faa4df033f0

    • SHA1

      eb1eb7a7b862360c64477ba1a0eb2b490c5530e3

    • SHA256

      efb4786e8b964e62b97f4b60fd4d6ad2d14a4a112d76d920a19bc93bd4610f45

    • SHA512

      14fc348bcd379bfffeb004f25988ccbcf35413039bd82c301575017a62fd44c516e20c43db818c8fb5170e9abfa1186179864983157241a268fa4f0a78c4c848

    • SSDEEP

      49152:bILXlcHvCEPMae+z2b9lJ/gXDs+R+r5u8Qeg:sBcPHMae+Sb9lJ/YeKf

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks