Analysis

  • max time kernel
    48s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    11-10-2021 14:00

General

  • Target

    c4c060ec6b1e42d70972d0af66a04e66.dll

  • Size

    701KB

  • MD5

    c4c060ec6b1e42d70972d0af66a04e66

  • SHA1

    3ef84847fceb31b8814c12c94c57c72a5281d6f5

  • SHA256

    47715e425398283d53019c270311ad0c709f660048d2f884d5116d80b983743f

  • SHA512

    5553d68867af378d347620208b35d4d6261526770cf2a47884f0eff17392cedfa91ab491265717a459b4ccbe43f490a90caaf9289b9f92e8cd63140710e9ca78

Malware Config

Extracted

Family

gozi_ifsb

Botnet

8899

C2

msn.com/mail

breuranel.website

outlook.com/signup

areuranel.website

Attributes
  • build

    260212

  • dga_season

    10

  • exe_type

    loader

  • server_id

    12

rsa_pubkey.plain
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\c4c060ec6b1e42d70972d0af66a04e66.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2004
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c4c060ec6b1e42d70972d0af66a04e66.dll,#1
      2⤵
        PID:1328

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1328-60-0x0000000000000000-mapping.dmp
    • memory/1328-61-0x0000000075B31000-0x0000000075B33000-memory.dmp
      Filesize

      8KB

    • memory/1328-62-0x00000000750F0000-0x000000007523C000-memory.dmp
      Filesize

      1.3MB

    • memory/1328-63-0x00000000750F0000-0x00000000750FF000-memory.dmp
      Filesize

      60KB

    • memory/1328-64-0x00000000750F0000-0x000000007523C000-memory.dmp
      Filesize

      1.3MB

    • memory/1328-65-0x0000000000160000-0x0000000000161000-memory.dmp
      Filesize

      4KB