Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/07/2023, 16:33

General

  • Target
    3939.dll
  • Size 803KB
  • Sample230718-t2hkhsda7x
  • SHA256 f08827fd5dba2f6ffda8f931b5f2e1c18012b74ed753ea76a0a511e095eb1648
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • gozi

Extracted

Family
  • gozi

Botnet
  • 20000

C2
  • http://45.11.182.38

  • http://79.132.130.230

  • https://listwhfite.check3.yaho1o.com

  • https://lisfwhite.ch2eck.yaheoo.com

  • http://45.155.250.58

  • https://liset.che3ck.bi1ng.com

  • http://45.155.249.91

Attributes
  • base_path

    /zerotohero/

  • build

    250260

  • exe_type

    loader

  • extension

    .asi

  • server_id

    50

rsa_pubkey.plain
aes.plain

Signatures

  • Gozi

    Gozi is a well-known and widely distributed banking trojan.

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3939.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3412
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3939.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:3932

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3932-133-0x0000000002A10000-0x0000000002A51000-memory.dmp

        memory/3932-134-0x00000000029D0000-0x00000000029DE000-memory.dmp

        memory/3932-135-0x00000000029F0000-0x00000000029FD000-memory.dmp

        memory/3932-138-0x0000000002A10000-0x0000000002A51000-memory.dmp

        memory/3932-139-0x00000000029D0000-0x00000000029DE000-memory.dmp