General

  • Target

    18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118

  • Size

    556KB

  • Sample

    240628-d3jafayfrf

  • MD5

    18a03fb1720ae75aa9d4b549f137a2ff

  • SHA1

    6b58c7f50c0ae76c89a21a9de36c5e0a722dbcb2

  • SHA256

    35f5b6956bc694d5ccf995c98b77ed46f0bed63cdaf50a968e33f097c003a754

  • SHA512

    1314528e346f59536cdf701362c5008f537c2d562e0d768a647415c97f0f39c6691fb584dbb879fe192db33879db2e972e5c6b28df258164aeb5e4227bda711b

  • SSDEEP

    12288:Z7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:Z7L1yMgcnOds44Fp2PWUDI8

Malware Config

Targets

    • Target

      18a03fb1720ae75aa9d4b549f137a2ff_JaffaCakes118

    • Size

      556KB

    • MD5

      18a03fb1720ae75aa9d4b549f137a2ff

    • SHA1

      6b58c7f50c0ae76c89a21a9de36c5e0a722dbcb2

    • SHA256

      35f5b6956bc694d5ccf995c98b77ed46f0bed63cdaf50a968e33f097c003a754

    • SHA512

      1314528e346f59536cdf701362c5008f537c2d562e0d768a647415c97f0f39c6691fb584dbb879fe192db33879db2e972e5c6b28df258164aeb5e4227bda711b

    • SSDEEP

      12288:Z7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:Z7L1yMgcnOds44Fp2PWUDI8

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks