Analysis

  • max time kernel
    28s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    10-06-2021 21:01

General

  • Target

    SecuriteInfo.com..7135.20767.dll

  • Size

    865KB

  • MD5

    5ba7ac7fa4f9e831679832b6cc22aee8

  • SHA1

    813df24ac22c2666b28bc3e7fb9bd1eef2a7f395

  • SHA256

    d2c19ac3eace29239bf919c442556abf782da5953325ee6b2626482fbf442f29

  • SHA512

    a345b0749d5745640fd7908cdb142960da22ac6029bafddc0666d11eb5033756c3cfde84d2fb94dcbf418df40d2ce49ec4a18b919714402b7045b96e619a27cd

Malware Config

Extracted

Family

gozi_ifsb

Botnet

1500

C2

authd.feronok.com

app.bighomegl.at

Attributes
  • build

    250204

  • 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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com..7135.20767.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com..7135.20767.dll,#1
      2⤵
        PID:1772

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1772-59-0x0000000000000000-mapping.dmp
    • memory/1772-60-0x0000000075041000-0x0000000075043000-memory.dmp
      Filesize

      8KB

    • memory/1772-61-0x0000000074460000-0x000000007446D000-memory.dmp
      Filesize

      52KB

    • memory/1772-62-0x0000000074460000-0x0000000074551000-memory.dmp
      Filesize

      964KB

    • memory/1772-63-0x0000000000120000-0x0000000000121000-memory.dmp
      Filesize

      4KB