Analysis

  • max time kernel
    128s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    26-05-2021 07:58

General

  • Target

    c685c42e90ca6bf2263df3d0f75387b9.dll

  • Size

    937KB

  • MD5

    c685c42e90ca6bf2263df3d0f75387b9

  • SHA1

    83fb61da38efbe587cbe692e1ea905404ec6ef18

  • SHA256

    ea6f45d0aa95e66e3dbfaddb86daca33f3ac393ceabef34edbb8653a94960682

  • SHA512

    d37d7b57c77912d9964682d743c4270be11a94a7e0401462034c4522983bfb886ca3e4e6388cd5dc86b20c03cb5b518d59498cc67ba3cc830b4eaba70b6ed000

Malware Config

Extracted

Family

gozi_ifsb

Botnet

4500

C2

app3.maintorna.com

chat.billionady.com

app5.folion.xyz

wer.defone.click

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 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c685c42e90ca6bf2263df3d0f75387b9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3872
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c685c42e90ca6bf2263df3d0f75387b9.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4028
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c cd Island
        3⤵
          PID:3712
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c cd Matter m
          3⤵
            PID:1400

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1400-116-0x0000000000000000-mapping.dmp
      • memory/3712-115-0x0000000000000000-mapping.dmp
      • memory/4028-114-0x0000000000000000-mapping.dmp
      • memory/4028-118-0x0000000073990000-0x0000000073A94000-memory.dmp
        Filesize

        1.0MB

      • memory/4028-117-0x0000000073990000-0x000000007399E000-memory.dmp
        Filesize

        56KB

      • memory/4028-119-0x0000000002DB0000-0x0000000002EFA000-memory.dmp
        Filesize

        1.3MB