Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    27-10-2021 01:54

General

  • Target

    6178b05e7e505.tar.exe.dll

  • Size

    467KB

  • MD5

    00dcc037401e2932fcedab2ef1b1755c

  • SHA1

    a8fec366e26428590e45b7e6d6ea7d19c1496d70

  • SHA256

    78444f56abea676f6480b29dbe9b4f18fcebf531451e97d999f30d0921acb8a4

  • SHA512

    2df7b0fbfc50374935ff584e392481aedc93fb374727fd7841b85431b4cf9da003298f5d758cb31f9fd69e1c555379b3567e2b7fbf4faaf3dc7dac0629d92031

Malware Config

Extracted

Family

gozi_ifsb

Botnet

8899

C2

msn.com/mail

realitystorys.com

outlook.com/signup

gderrrpololo.net

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.

  • Blocklisted process makes network request 17 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6178b05e7e505.tar.exe.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6178b05e7e505.tar.exe.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:2828

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2828-115-0x0000000000000000-mapping.dmp
  • memory/2828-116-0x00000000734D0000-0x0000000073555000-memory.dmp
    Filesize

    532KB

  • memory/2828-117-0x00000000734D0000-0x00000000734DF000-memory.dmp
    Filesize

    60KB

  • memory/2828-118-0x00000000734D0000-0x0000000073555000-memory.dmp
    Filesize

    532KB

  • memory/2828-119-0x0000000002CB0000-0x0000000002D5E000-memory.dmp
    Filesize

    696KB