Analysis

  • max time kernel
    134s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2022 18:45

General

  • Target

    b51f67e67847ed20c75ef9bc8e057f0d93e2fa62bdf1df1a87d3f772603a59ff.dll

  • Size

    116KB

  • MD5

    098e2b15bb37766a99b7bec04c504b78

  • SHA1

    03ab72c389de1ce28605605a6fa0448802124f78

  • SHA256

    b51f67e67847ed20c75ef9bc8e057f0d93e2fa62bdf1df1a87d3f772603a59ff

  • SHA512

    035583149c9525cfe6a0019d3a64776bba5d483a6c118460d63f89f1bb9b055333401bfae8eb7e2492f34ca1650453bf19b003738b6e3d730db700f8e7095ecf

  • SSDEEP

    3072:F14Nm3YTyii7bLYB0s7+Ec7V6bW2nnW6rifrQc1+lUmT:PvawYB0v72n6rQA+b

Malware Config

Extracted

Family

gozi_ifsb

Botnet

5000

C2

config.edge.skype.com

onlinetwork.top

linetwork.top

Attributes
  • base_path

    /drew/

  • build

    250246

  • 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\b51f67e67847ed20c75ef9bc8e057f0d93e2fa62bdf1df1a87d3f772603a59ff.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\b51f67e67847ed20c75ef9bc8e057f0d93e2fa62bdf1df1a87d3f772603a59ff.dll
      2⤵
        PID:704

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/704-132-0x0000000000000000-mapping.dmp

    • memory/704-133-0x0000000010000000-0x000000001000E000-memory.dmp

      Filesize

      56KB

    • memory/704-138-0x0000000003180000-0x000000000318D000-memory.dmp

      Filesize

      52KB

    • memory/704-141-0x0000000001250000-0x0000000001255000-memory.dmp

      Filesize

      20KB