Analysis

  • max time kernel
    87s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    03-08-2022 10:56

General

  • Target

    8fcfb8f38d8607c57f08f9b39139065f.dll

  • Size

    300KB

  • MD5

    8fcfb8f38d8607c57f08f9b39139065f

  • SHA1

    805bb719009145dcc32b5361abf5bb4d91015dbb

  • SHA256

    ee46bd47dbd009333a72bc752b3d38d5a87a25f90fef3d4d77515d4fd11f3c8d

  • SHA512

    6d02b5338e387185520c45a45434bf5e949fdfd66d484459c3e817b76fbfc50621d0fbd5e4e5f3618f02ea257b8d73a53637b7bc791cc40300e837e2de72007f

Malware Config

Extracted

Family

gozi_ifsb

Botnet

3000

C2

config.edge.skype.com

37.120.206.71

37.120.206.84

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 7 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8fcfb8f38d8607c57f08f9b39139065f.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\8fcfb8f38d8607c57f08f9b39139065f.dll
      2⤵
        PID:1660

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1064-54-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

      Filesize

      8KB

    • memory/1660-55-0x0000000000000000-mapping.dmp

    • memory/1660-56-0x00000000760E1000-0x00000000760E3000-memory.dmp

      Filesize

      8KB

    • memory/1660-57-0x0000000010000000-0x000000001000E000-memory.dmp

      Filesize

      56KB

    • memory/1660-62-0x00000000001A0000-0x00000000001AD000-memory.dmp

      Filesize

      52KB