Analysis

  • max time kernel
    4294179s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    23/03/2022, 05:17

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:1996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\readme.dll,#1
      2⤵
        PID:1976

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1976-55-0x0000000075041000-0x0000000075043000-memory.dmp

            Filesize

            8KB

          • memory/1976-56-0x0000000000110000-0x000000000011E000-memory.dmp

            Filesize

            56KB

          • memory/1976-57-0x0000000000110000-0x000000000011E000-memory.dmp

            Filesize

            56KB

          • memory/1976-59-0x0000000000110000-0x000000000011E000-memory.dmp

            Filesize

            56KB

          • memory/1976-58-0x0000000000110000-0x000000000011E000-memory.dmp

            Filesize

            56KB

          • memory/1976-60-0x00000000000F0000-0x00000000000FC000-memory.dmp

            Filesize

            48KB

          • memory/1976-61-0x0000000000110000-0x000000000011E000-memory.dmp

            Filesize

            56KB