General

  • Target

    81c6f12283831833e5035da09c234ec5_JaffaCakes118

  • Size

    556KB

  • Sample

    240801-z9gaba1cje

  • MD5

    81c6f12283831833e5035da09c234ec5

  • SHA1

    f40349025bc508c46dcdf341d3301fc99450efaf

  • SHA256

    695fa5da111b000ec2fbea26505ccb5f9287543fc055b153b47e078634c4faa0

  • SHA512

    d1385111a866ca8ad190124308d553f34d9cd762d6f75744a86f3d2083dcb5d07f47505c95c053dc28501926cf612adef511dca891e4a51f06d6b1b3170eade7

  • SSDEEP

    12288:w7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:w7L1yMgcnOds44Fp2PWUDI8

Malware Config

Targets

    • Target

      81c6f12283831833e5035da09c234ec5_JaffaCakes118

    • Size

      556KB

    • MD5

      81c6f12283831833e5035da09c234ec5

    • SHA1

      f40349025bc508c46dcdf341d3301fc99450efaf

    • SHA256

      695fa5da111b000ec2fbea26505ccb5f9287543fc055b153b47e078634c4faa0

    • SHA512

      d1385111a866ca8ad190124308d553f34d9cd762d6f75744a86f3d2083dcb5d07f47505c95c053dc28501926cf612adef511dca891e4a51f06d6b1b3170eade7

    • SSDEEP

      12288:w7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:w7L1yMgcnOds44Fp2PWUDI8

    • 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