Analysis

  • max time kernel
    4294181s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    23/03/2022, 08:35

General

  • Target

    readme.dll

  • Size

    654KB

  • MD5

    f80d324c58330924265109d0074ebbf1

  • SHA1

    fd4c4f7a3abb7b7e991fa4f3d908d5b59fc7376e

  • SHA256

    42a1d2a7885898c85524a6b18550a9e01b86e5ad1c33af845b6ae1450ef69bfe

  • SHA512

    9822ea03d5abada37becb9b441d05f36d788c6dddef82fc5f4a4f26c7db5d222e5b6373e45af31fca35c7692f348ce9e3451153afa764ec9c0914eef18cbf729

Malware Config

Extracted

Family

gozi_ifsb

Botnet

7627

C2

vilogerta.top

linkspremium.ru

premiumlists.ru

Attributes
  • base_path

    /drew/

  • build

    250225

  • exe_type

    loader

  • extension

    .jlk

  • server_id

    50

rsa_pubkey.plain
aes.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\readme.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.dll,#1
      2⤵
        PID:1952

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1952-55-0x0000000075D31000-0x0000000075D33000-memory.dmp

            Filesize

            8KB

          • memory/1952-56-0x00000000002A0000-0x0000000000348000-memory.dmp

            Filesize

            672KB

          • memory/1952-58-0x00000000001B0000-0x00000000001BE000-memory.dmp

            Filesize

            56KB

          • memory/1952-57-0x00000000001B0000-0x00000000001BE000-memory.dmp

            Filesize

            56KB

          • memory/1952-59-0x00000000001B0000-0x00000000001BE000-memory.dmp

            Filesize

            56KB

          • memory/1952-60-0x00000000001B0000-0x00000000001BE000-memory.dmp

            Filesize

            56KB

          • memory/1952-61-0x0000000000190000-0x000000000019C000-memory.dmp

            Filesize

            48KB

          • memory/1952-62-0x00000000001B0000-0x00000000001BE000-memory.dmp

            Filesize

            56KB