General

  • Target
    UXLocker Builder(1).zip
  • Size 824KB
  • Sample260908-m16gmaydrb
  • SHA256 045a4422f12fe0dd4b1e2f6ac0859a818727c2836d2f0235086a129e48c5a271
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Locker/LockerBuilder.exe
    • Size 18KB
    • SHA256 27d65185cf27e2085909ef73411e66888b864be7e32b2afab4506de677dcb614
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      Locker/LockerBuilder.pdb
    • Size 5KB
    • SHA256 eb64c7bebe3082bb715758b8afb73f80fe9eed7716ec4e77683f19dde95703e4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      Locker/MetroFramework.dll
    • Size 149KB
    • SHA256 baf326f52d39155d722465947f4cc67e6e90cfd0f89954eab959568e9bc342aa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Locker/Stub/Stub.exe
    • Size 215KB
    • SHA256 19b6c1905f4435815f6d79b7eb0aee50ccc6d4ccde4dca9b973e3589e15fc00d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks system information in the registry

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

    • Target
      Locker/dnlib.dll
    • Size 1.1MB
    • SHA256 97ef5328d1d1703924c48d9cd1d45b7227fe3836e116dcded623b6a0dbd52c23
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks