Analysis

  • max time kernel
    65s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    03-06-2021 15:37

General

  • Target

    shook.vob.dll

  • Size

    626KB

  • MD5

    ecc4e73f710d096fa7fd8573a999883f

  • SHA1

    6b17f6e11503689592ee647f27a4e3b889156c11

  • SHA256

    b6d47431005c53645b469aaae5c0531bca27e9d11d014755193aa74c3f228ae8

  • SHA512

    c4429c7e80c8454c92a3f1df8d79f547d70c4a1a57ae29c39800dbad3451edd27408c5a6a996623694d909e782fc2f730900e62e57f912be4df7cc9d5a0d6765

Malware Config

Extracted

Family

gozi_ifsb

Botnet

5500

C2

app.buboleinov.com

chat.veminiare.com

chat.billionady.com

app3.maintorna.com

Attributes
  • build

    250188

  • exe_type

    loader

  • server_id

    580

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\shook.vob.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3744
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\shook.vob.dll
      2⤵
        PID:1976

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1976-114-0x0000000000000000-mapping.dmp
    • memory/1976-115-0x00000000728D0000-0x00000000728DE000-memory.dmp
      Filesize

      56KB

    • memory/1976-116-0x00000000728D0000-0x000000007397E000-memory.dmp
      Filesize

      16.7MB

    • memory/1976-117-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
      Filesize

      4KB