Analysis

  • max time kernel
    132s
  • max time network
    72s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02/03/2021, 05:30

General

  • Target
    preview.jpg.dll
  • Size 459KB
  • Sample210302-wefk84rj7a
  • SHA256 2dbf55098bbfc12d8366e80b682bd5dfac4a328470d6b00bd0d5eec7e989cb6c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • gozi_ifsb

Botnet
  • 7253

C2
  • web.vortex.data.microsoft.com

  • ocsp.sca1b.amazontrust.com

  • stasecrets.com

Attributes
  • build

    250186

  • dns_servers

    107.174.86.134

    107.175.127.22

  • exe_type

    loader

  • server_id

    12

rsa_pubkey.base64
serpent.plain

Signatures

  • Gozi, Gozi IFSB

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\preview.jpg.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\preview.jpg.dll
      2⤵
        PID:2776

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2776-3-0x0000000074190000-0x000000007419F000-memory.dmp

          memory/2776-4-0x0000000001080000-0x0000000001081000-memory.dmp