Analysis

  • max time kernel
    17s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    14-06-2021 15:59

General

  • Target

    textboxValue.jpg.dll

  • Size

    623KB

  • MD5

    7e242194013d4ccdecf7011966cabaf3

  • SHA1

    b264a09ad821f64fd8ba3a2d717ee40b0cf6582e

  • SHA256

    46122b4b88cd3e3cb38554bf976528c4046e1183b38a458e1c4cd91bcca8bee7

  • SHA512

    5416250367a2421d5733f709f00769369a0efe164e4ac55ab4e77c0bfa6abb2fcd12442b7760bc748802cf7caea159bcf418937abdbb9ae51c5d04935645de1a

Malware Config

Extracted

Family

gozi_ifsb

Botnet

6000

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\textboxValue.jpg.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\textboxValue.jpg.dll,#1
      2⤵
        PID:408

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/408-114-0x0000000000000000-mapping.dmp
    • memory/408-115-0x0000000073630000-0x000000007363D000-memory.dmp
      Filesize

      52KB

    • memory/408-116-0x0000000073630000-0x00000000736DF000-memory.dmp
      Filesize

      700KB

    • memory/408-117-0x0000000000F60000-0x0000000000F61000-memory.dmp
      Filesize

      4KB