Overview

overview

10

Static

static

scan_pictures.exe

windows7-x64

10

scan_pictures.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    13s
  • max time network
    73s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2022, 09:32

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General

  • Target
    scan_pictures.exe
  • Size 370KB
  • Sample221007-lhlttscag6
  • SHA256 4eaa6cbb07ff01de61ba87d140ca4dcd5c4054f9796bc6c15e6946ef484991ff
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
formbookxloaderhzb3loaderratspywarestealertrojan

Malware Config

Extracted

Family

  • formbook

Campaign

  • hzb3

Decoy

  • BVGWUXYpaaEaNSjsCHhJnDJz463cqQ==

  • CEqdZb0KaOLLbWqrDVTgc20=

  • nBv0jSFiQHxtE6awQnm2

  • E1sGpCJYtB8ImaguUyF6yQ==

  • PMBND7LzJGZH7CXulclbs2c=

  • u9zzlFGDXo6LLbGwQnm2

  • SaJjLbtVlMgsP5ZQRj4=

  • wckwEbwBbKA2X3g=

  • rPxB8ePUxfu4pilu

  • S562QFeKY5P//qawQnm2

  • BkEfWXZuY3ihKW8=

  • ZanakqMxkP7VdNfWdD4FGDqF

  • PYYbtzdINC1J0OYzQCk=

  • Fmg9LBxaPQ==

  • 4eXWfoC06yGAkQ0l+Txs2w==

  • n68j2X6+CIhsD5GiCMYBsHI=

  • hRv6hpW3qfLbdI1XJ/J825G1TslJ+1JE

  • X6PAVGfwPHihKW8=

  • 7zn1tkuDaZ2FKbGwQnm2

  • lB0m5ghWsSmMpIUS8EBM31l/463cqQ==

Extracted

Family

  • xloader

Version

  • 3.8

Campaign

  • hzb3

Decoy

  • BVGWUXYpaaEaNSjsCHhJnDJz463cqQ==

  • CEqdZb0KaOLLbWqrDVTgc20=

  • nBv0jSFiQHxtE6awQnm2

  • E1sGpCJYtB8ImaguUyF6yQ==

  • PMBND7LzJGZH7CXulclbs2c=

  • u9zzlFGDXo6LLbGwQnm2

  • SaJjLbtVlMgsP5ZQRj4=

  • wckwEbwBbKA2X3g=

  • rPxB8ePUxfu4pilu

  • S562QFeKY5P//qawQnm2

  • BkEfWXZuY3ihKW8=

  • ZanakqMxkP7VdNfWdD4FGDqF

  • PYYbtzdINC1J0OYzQCk=

  • Fmg9LBxaPQ==

  • 4eXWfoC06yGAkQ0l+Txs2w==

  • n68j2X6+CIhsD5GiCMYBsHI=

  • hRv6hpW3qfLbdI1XJ/J825G1TslJ+1JE

  • X6PAVGfwPHihKW8=

  • 7zn1tkuDaZ2FKbGwQnm2

  • lB0m5ghWsSmMpIUS8EBM31l/463cqQ==

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

    trojanspywarestealerformbook
  • Xloader

    Xloader is a rebranded version of Formbook malware.

    loaderxloader
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Users\Admin\AppData\Local\Temp\scan_pictures.exe
      "C:\Users\Admin\AppData\Local\Temp\scan_pictures.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4632
      • C:\Users\Admin\AppData\Local\Temp\oezxjlidx.exe
        "C:\Users\Admin\AppData\Local\Temp\oezxjlidx.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4764
        • C:\Users\Admin\AppData\Local\Temp\oezxjlidx.exe
          "C:\Users\Admin\AppData\Local\Temp\oezxjlidx.exe"
          4⤵
          • Checks computer location settings
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:3584
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:4080

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        fzmdgmcfvk.vkv
        • Path C:\Users\Admin\AppData\Local\Temp\fzmdgmcfvk.vkv
        • Size 185KB
        • SHA256 843e2076bc160570d892cb2245bc84cd9125b45d96521722d1fb34e93580cb3d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        oezxjlidx.exe
        • Path C:\Users\Admin\AppData\Local\Temp\oezxjlidx.exe
        • Size 72KB
        • SHA256 f30930cc06bb0bf78e5f2cea12b60ea9b37abe14fc9fe1aa14c3fe3a0f93eff1
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        oezxjlidx.exe
        • Path C:\Users\Admin\AppData\Local\Temp\oezxjlidx.exe
        • Size 72KB
        • SHA256 f30930cc06bb0bf78e5f2cea12b60ea9b37abe14fc9fe1aa14c3fe3a0f93eff1
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        oezxjlidx.exe
        • Path C:\Users\Admin\AppData\Local\Temp\oezxjlidx.exe
        • Size 72KB
        • SHA256 f30930cc06bb0bf78e5f2cea12b60ea9b37abe14fc9fe1aa14c3fe3a0f93eff1
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        qimaws.k
        • Path C:\Users\Admin\AppData\Local\Temp\qimaws.k
        • Size 4KB
        • SHA256 00054fe03c36924a2898afafd34562d7c493a87d7362cd1d16741a16cdc3abfc
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/2832-143-0x0000000008500000-0x000000000866E000-memory.dmp
        Download

        memory/3584-140-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/3584-139-0x0000000000401000-0x000000000042F000-memory.dmp
        Download

        memory/3584-141-0x00000000011E0000-0x000000000152A000-memory.dmp
        Download

        memory/3584-142-0x0000000000C10000-0x0000000000C20000-memory.dmp
        Download

        memory/4080-145-0x0000000000610000-0x000000000061E000-memory.dmp
        Download

        memory/4080-147-0x0000000001000000-0x000000000134A000-memory.dmp
        Download

        memory/4080-146-0x00000000003D0000-0x00000000003FD000-memory.dmp
        Download

        memory/4080-148-0x0000000000EF0000-0x0000000000F7F000-memory.dmp
        Download