General

  • Target

    3fab82becf1fb796a56853a4bb6d41cf.exe

  • Size

    417KB

  • Sample

    211101-mq9fjahfd2

  • MD5

    3fab82becf1fb796a56853a4bb6d41cf

  • SHA1

    4662f8a3fff9a854690ebe86067ee9cd3f633015

  • SHA256

    9db1dcab3007e75a3c78dc1ba8bf91fd7e7daaa4cf3980ac1fd39f5beb7780ad

  • SHA512

    e97e9ea9d44c521bf2ef315eb51a5e25e8266ef0f0964693c26583e1a42aff27549cac61805ee84ab0b2697c739efbe08745c5f724209fc8d599697939fa7f14

Malware Config

Extracted

Family

oski

C2

mark02.xyz

Targets

    • Target

      3fab82becf1fb796a56853a4bb6d41cf.exe

    • Size

      417KB

    • MD5

      3fab82becf1fb796a56853a4bb6d41cf

    • SHA1

      4662f8a3fff9a854690ebe86067ee9cd3f633015

    • SHA256

      9db1dcab3007e75a3c78dc1ba8bf91fd7e7daaa4cf3980ac1fd39f5beb7780ad

    • SHA512

      e97e9ea9d44c521bf2ef315eb51a5e25e8266ef0f0964693c26583e1a42aff27549cac61805ee84ab0b2697c739efbe08745c5f724209fc8d599697939fa7f14

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Downloads MZ/PE file

    • Loads dropped DLL

    • 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.

MITRE ATT&CK Enterprise v6

Tasks