General

  • Target

    f305b41d1161f7c6a1972942e9231641_JaffaCakes118

  • Size

    134KB

  • Sample

    240924-g8658sxfpa

  • MD5

    f305b41d1161f7c6a1972942e9231641

  • SHA1

    fe22f8d6857b312294e409ed8a071d8a5c075f21

  • SHA256

    453c338a42ecb62587c861b22cb93af69a07a5e20f0c70703141ba53f7e6e31c

  • SHA512

    a6356f0b0262206602b65e3671f493cb58b5a802276040e9fac82a1c32e4cf6c8158cb51296486949cffad9f4834f56a3efb13fc9cbaf3db76310bdabfcc3758

  • SSDEEP

    3072:vjtE0IU1lUoFD1oaa7yJp6zkwn1X8DiwPuCNe4nw3valp:btEs9FRC28zkiX8DNPugedav

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      f305b41d1161f7c6a1972942e9231641_JaffaCakes118

    • Size

      134KB

    • MD5

      f305b41d1161f7c6a1972942e9231641

    • SHA1

      fe22f8d6857b312294e409ed8a071d8a5c075f21

    • SHA256

      453c338a42ecb62587c861b22cb93af69a07a5e20f0c70703141ba53f7e6e31c

    • SHA512

      a6356f0b0262206602b65e3671f493cb58b5a802276040e9fac82a1c32e4cf6c8158cb51296486949cffad9f4834f56a3efb13fc9cbaf3db76310bdabfcc3758

    • SSDEEP

      3072:vjtE0IU1lUoFD1oaa7yJp6zkwn1X8DiwPuCNe4nw3valp:btEs9FRC28zkiX8DNPugedav

    • MetaSploit

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

    • Modifies firewall policy service

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • 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