General

  • Target

    Halkbank_Ekstre_20230711.pdf.exe

  • Size

    315KB

  • Sample

    230712-g5224scb92

  • MD5

    be72f1a2cbbc7b4b72c2dd045c46951d

  • SHA1

    9fe2a5cfb81b5dd9c770e7c1e30c33e57a28a0dc

  • SHA256

    079e819a42c6ded2c872ce15d09763f567230fbe5562f20ea27ec61082f85a4f

  • SHA512

    1551d0882cb3ea08243b1cc27b82626c84c83536f0f4fffaca0b7f74f4f9cab1f731132698dca904e9db316ae8094376dd2b89bc7d25efc92f202d4e9016699f

  • SSDEEP

    6144:qhgqhwXoAoVHX2B5lb5v5s/u8dfJX9gy9XMFykNldXNzJCwu3Ec:pqvVHX8l1v4fJX9tMokTdXNzcwu0c

Malware Config

Targets

    • Target

      Halkbank_Ekstre_20230711.pdf.exe

    • Size

      315KB

    • MD5

      be72f1a2cbbc7b4b72c2dd045c46951d

    • SHA1

      9fe2a5cfb81b5dd9c770e7c1e30c33e57a28a0dc

    • SHA256

      079e819a42c6ded2c872ce15d09763f567230fbe5562f20ea27ec61082f85a4f

    • SHA512

      1551d0882cb3ea08243b1cc27b82626c84c83536f0f4fffaca0b7f74f4f9cab1f731132698dca904e9db316ae8094376dd2b89bc7d25efc92f202d4e9016699f

    • SSDEEP

      6144:qhgqhwXoAoVHX2B5lb5v5s/u8dfJX9gy9XMFykNldXNzJCwu3Ec:pqvVHX8l1v4fJX9tMokTdXNzcwu0c

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Checks installed software on the system

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks