Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2024 20:48

General

  • Target

    tjufus\vafix.dll

  • Size

    472KB

  • MD5

    181ad9edf1cc6305c42981c4b72a9992

  • SHA1

    af7f549bb9f2bcc8676787bf24313be0f5bf1f9e

  • SHA256

    d4a0d88681fb5af8c131b0d915a26143ae6c62bc2302deff076dfa9f5b9bd437

  • SHA512

    db1a61f08827aef0d99212531fb9210d01129a96f8cc463bdd44c7dbcc3059828549bb25260c24b44c619eb3e50f9c573ddbf5a9dfbd2ba094cc75d620415f7c

  • SSDEEP

    12288:g8T8E11FE68XEDkXZ9YG8nxu3/vkfzJtCcZR:111m/XvZv8m/cb5

Malware Config

Extracted

Family

gozi

Extracted

Family

gozi

Botnet

3500

C2

gtr.antoinfer.com

f1.bablefiler.at

Attributes
  • build

    250211

  • exe_type

    loader

  • server_id

    580

rsa_pubkey.plain
aes.plain

Signatures

  • Gozi

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

  • Gozi family
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\tjufus\vafix.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\tjufus\vafix.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2680-0-0x0000000074DB4000-0x0000000074DB8000-memory.dmp

    Filesize

    16KB

  • memory/2680-2-0x0000000074D40000-0x0000000074E4D000-memory.dmp

    Filesize

    1.1MB

  • memory/2680-3-0x00000000027B0000-0x00000000027BD000-memory.dmp

    Filesize

    52KB

  • memory/2680-6-0x0000000074D40000-0x0000000074E4D000-memory.dmp

    Filesize

    1.1MB

  • memory/2680-7-0x0000000074DB4000-0x0000000074DB8000-memory.dmp

    Filesize

    16KB