Analysis

  • max time kernel
    118s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    26-10-2021 10:35

General

  • Target

    6177d99838cea.tar.dll

  • Size

    460KB

  • MD5

    81163259832ea85f7e997e4697bf2bd1

  • SHA1

    3735e357bc81fd825fab5c4e477749766aa8e1b8

  • SHA256

    d332ff1e7387b8b4bd81740198bef987b313fea98fc337c3961d3016e4f186ea

  • SHA512

    99d92a263d1ff9be203dea28862f017b8e9e22cce161ff25d7536f09d3968d0346ace08f6776af829ed92b60eb9600bf6f0df4686661562c5afe48cb9018fbf6

Malware Config

Extracted

Family

gozi_ifsb

Botnet

8899

C2

http://microsoft.com.login/

https://premiumweare.com

https://gloverunomai.com

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\6177d99838cea.tar.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6177d99838cea.tar.dll,#1
      2⤵
        PID:1268

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1268-54-0x0000000000000000-mapping.dmp
    • memory/1268-55-0x0000000074F81000-0x0000000074F83000-memory.dmp
      Filesize

      8KB

    • memory/1268-56-0x0000000074950000-0x00000000749D8000-memory.dmp
      Filesize

      544KB

    • memory/1268-57-0x0000000074950000-0x000000007495F000-memory.dmp
      Filesize

      60KB

    • memory/1268-58-0x0000000074950000-0x00000000749D8000-memory.dmp
      Filesize

      544KB

    • memory/1268-59-0x0000000000160000-0x0000000000161000-memory.dmp
      Filesize

      4KB