Analysis

  • max time kernel
    37s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    11-05-2021 09:06

General

  • Target

    609a460e94791.tiff.dll

  • Size

    821KB

  • MD5

    50a299d1e92d9205e123404c8e05904d

  • SHA1

    c188272ab757dbbf14e74781fc90fcefe4aeb615

  • SHA256

    3b56b7298c366a323d28658a455abf0d4e78fa197a43ce13bedab05f26901d34

  • SHA512

    ec30f36d70ddbb6ba4aaccb3342e0a0ffbd586d2784370500a94e33aa650d1c56d3712ffc3a9e15a0558194ce26d1b76d9f2a8953220684bef634e57f4579df1

Malware Config

Extracted

Family

gozi_ifsb

Botnet

8877

C2

outlook.com/login

gmail.com

worunekulo.club

horunekulo.website

Attributes
  • build

    250196

  • dga_season

    10

  • exe_type

    loader

  • server_id

    12

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\609a460e94791.tiff.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\609a460e94791.tiff.dll,#1
      2⤵
        PID:1100

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1100-60-0x0000000000000000-mapping.dmp

    • memory/1100-61-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

      Filesize

      8KB

    • memory/1100-63-0x0000000074C40000-0x0000000074D2F000-memory.dmp

      Filesize

      956KB

    • memory/1100-62-0x0000000074C40000-0x0000000074C4F000-memory.dmp

      Filesize

      60KB

    • memory/1100-64-0x0000000000140000-0x0000000000141000-memory.dmp

      Filesize

      4KB