Analysis

  • max time kernel
    125s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-08-2022 12:12

General

  • Target

    62f24e6f4c4c7.dll

  • Size

    607KB

  • MD5

    62cdd734fdd2d50b1f36f16dac017061

  • SHA1

    bacbec8f116f3e5274693cf7ba6de5c83fb3d9a8

  • SHA256

    e192656ce9c73ac7bcb4cec136378c5843e128b76cd1c021aeec274edecbf869

  • SHA512

    2e11dd12f87781d226824de7286237d94d3ba5e77b2c189d5a3e6418d55a4c9689e8890e2734f6476b0893253a6993dc3aca261fd11bd7d2e05760e138daa467

Malware Config

Extracted

Family

gozi_ifsb

Botnet

3000

C2

config.edge.skype.com

79.110.52.8

79.110.52.80

193.106.191.163

Attributes
  • base_path

    /drew/

  • build

    250240

  • 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 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\62f24e6f4c4c7.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\62f24e6f4c4c7.dll
      2⤵
        PID:3568

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3568-130-0x0000000000000000-mapping.dmp

    • memory/3568-131-0x0000000010000000-0x000000001000E000-memory.dmp

      Filesize

      56KB

    • memory/3568-136-0x0000000002910000-0x000000000291D000-memory.dmp

      Filesize

      52KB