General

  • Target

    de9e47a9df5ef1e0257077eccab4e9c2_JaffaCakes118

  • Size

    556KB

  • Sample

    240913-wk75ys1clb

  • MD5

    de9e47a9df5ef1e0257077eccab4e9c2

  • SHA1

    5ef61d36ac4ec0afd1b9f0563c02f6a49e04b094

  • SHA256

    4a9db3846af83a22e92860902bcc1ab67097a2dd9283d29d7002301e101f4924

  • SHA512

    5aa86f878d9113ee1ee0f0748fa6ffd63f57f9fb5424bf4c20eb6a0c83f95986d0b8dda4a3befb78fccc175c0aae9baa6677b0a759288d83cdf45d9157353e4f

  • SSDEEP

    12288:n7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:n7L1yMgcnOds44Fp2PWUDI8

Malware Config

Targets

    • Target

      de9e47a9df5ef1e0257077eccab4e9c2_JaffaCakes118

    • Size

      556KB

    • MD5

      de9e47a9df5ef1e0257077eccab4e9c2

    • SHA1

      5ef61d36ac4ec0afd1b9f0563c02f6a49e04b094

    • SHA256

      4a9db3846af83a22e92860902bcc1ab67097a2dd9283d29d7002301e101f4924

    • SHA512

      5aa86f878d9113ee1ee0f0748fa6ffd63f57f9fb5424bf4c20eb6a0c83f95986d0b8dda4a3befb78fccc175c0aae9baa6677b0a759288d83cdf45d9157353e4f

    • SSDEEP

      12288:n7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:n7L1yMgcnOds44Fp2PWUDI8

    • Modifies WinLogon for persistence

    • Modifies visiblity of hidden/system files in Explorer

    • Checks computer location settings

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

    • Deletes itself

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks