General

  • Target

    f2bd14f1d5fbdab0fe21832ba8aec524_JaffaCakes118

  • Size

    141KB

  • Sample

    240923-vn9braxera

  • MD5

    f2bd14f1d5fbdab0fe21832ba8aec524

  • SHA1

    7290ed270c3db66c72cf23bffba7955183a7272c

  • SHA256

    e2051785e5c2f3ba3bc05aec0442af3b899246ecc3dc836b8a187f91d986c33e

  • SHA512

    c8f761359be804b4a76df9a07e4ec90bb9188d881fabacd90fce91bf18dc9812d8799bfb4e519fcb31ee53f768373a2dc5b99ab779a9634507ce1b473a67852d

  • SSDEEP

    3072:BxmEvcelB7KX/t/6bOe1075aNFIULlAxCyWmzvStMEGt3NxhBenjYDr:e27e1c0daNFIa26mzvSq3NsYv

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      f2bd14f1d5fbdab0fe21832ba8aec524_JaffaCakes118

    • Size

      141KB

    • MD5

      f2bd14f1d5fbdab0fe21832ba8aec524

    • SHA1

      7290ed270c3db66c72cf23bffba7955183a7272c

    • SHA256

      e2051785e5c2f3ba3bc05aec0442af3b899246ecc3dc836b8a187f91d986c33e

    • SHA512

      c8f761359be804b4a76df9a07e4ec90bb9188d881fabacd90fce91bf18dc9812d8799bfb4e519fcb31ee53f768373a2dc5b99ab779a9634507ce1b473a67852d

    • SSDEEP

      3072:BxmEvcelB7KX/t/6bOe1075aNFIULlAxCyWmzvStMEGt3NxhBenjYDr:e27e1c0daNFIa26mzvSq3NsYv

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks