General

  • Target

    Proposal For Adamallys Group..exe

  • Size

    732KB

  • Sample

    210811-9vcf6qf166

  • MD5

    4d838fd7586e75e908483b1807bc29a6

  • SHA1

    ab5e4e82d68462daec9ff1dc0fa81380d8991df0

  • SHA256

    a34e7c63da647c394b8becde55d6e87bc34e2c934c89b7f23484747a3598fb4c

  • SHA512

    df7980b4b9d058ef368c7c93069dcb5a8c689f755d0ca15a355bee5860cd167dcda1a3afbbf7ec9ab46f96690d6d7ee161f660219f049cc88c7841daef88c5fa

Malware Config

Extracted

Family

oski

C2

cabvui.xyz

Targets

    • Target

      Proposal For Adamallys Group..exe

    • Size

      732KB

    • MD5

      4d838fd7586e75e908483b1807bc29a6

    • SHA1

      ab5e4e82d68462daec9ff1dc0fa81380d8991df0

    • SHA256

      a34e7c63da647c394b8becde55d6e87bc34e2c934c89b7f23484747a3598fb4c

    • SHA512

      df7980b4b9d058ef368c7c93069dcb5a8c689f755d0ca15a355bee5860cd167dcda1a3afbbf7ec9ab46f96690d6d7ee161f660219f049cc88c7841daef88c5fa

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks