Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-04-2024 13:37

General

  • Target

    bnY2j1hTDlb4vxF.exe

  • Size

    610KB

  • MD5

    0b90be647821fb3812e6c340c6587fae

  • SHA1

    04ee5bf64f4fd6a512828a818c110697d19f18ab

  • SHA256

    12c7ec6f047ebf12cb9f142bb71fb0de5a61de79286776440b5814c94d93e2e4

  • SHA512

    d348ece6997947050c8b3c01df55f157767444892196c0bd001012c36c610b93696853f35080551e10bec6f4a15c1098cd1132acab84a697c4fed07deac34ab6

  • SSDEEP

    12288:233bFUoSfRmhTIJgWGdm6HrC/QpCiriaEHCnLEovkR:23pqf8TIJge6HrCy6hHCLEd

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ns03

Decoy

dipity.tech

agathis.fun

ekaterinai.store

elizabethsbookshelf.com

smilesustainably.com

tapeworm.xyz

beatricesswarthout.xyz

nsrpackersandpackers.in

yedxec.xyz

gildedbeautyaesthitics.com

hanibalbechar.com

fichaphuman.net

adilosk.shop

geezaran.com

ventasemail.com

phonecasesdirect.store

rctjuc.shop

sukimossmanagement.com

caller-id.today

kft07.vip

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3508
    • C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
      "C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4972
      • C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe
        "C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3600
    • 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
      • Suspicious use of WriteProcessMemory
      PID:492
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\bnY2j1hTDlb4vxF.exe"
        3⤵
          PID:1388
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2092 --field-trial-handle=2288,i,10301911031503898037,2997280636231771547,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3892

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/492-21-0x00000000006B0000-0x00000000006BE000-memory.dmp

        Filesize

        56KB

      • memory/492-19-0x00000000006B0000-0x00000000006BE000-memory.dmp

        Filesize

        56KB

      • memory/492-23-0x0000000001000000-0x000000000134A000-memory.dmp

        Filesize

        3.3MB

      • memory/492-24-0x0000000000340000-0x000000000036F000-memory.dmp

        Filesize

        188KB

      • memory/492-22-0x0000000000340000-0x000000000036F000-memory.dmp

        Filesize

        188KB

      • memory/492-26-0x0000000000EA0000-0x0000000000F33000-memory.dmp

        Filesize

        588KB

      • memory/3508-33-0x0000000008510000-0x00000000086A2000-memory.dmp

        Filesize

        1.6MB

      • memory/3508-27-0x00000000083D0000-0x0000000008509000-memory.dmp

        Filesize

        1.2MB

      • memory/3508-29-0x0000000008510000-0x00000000086A2000-memory.dmp

        Filesize

        1.6MB

      • memory/3508-30-0x0000000008510000-0x00000000086A2000-memory.dmp

        Filesize

        1.6MB

      • memory/3508-18-0x00000000083D0000-0x0000000008509000-memory.dmp

        Filesize

        1.2MB

      • memory/3600-17-0x0000000001940000-0x0000000001954000-memory.dmp

        Filesize

        80KB

      • memory/3600-11-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/3600-14-0x0000000001990000-0x0000000001CDA000-memory.dmp

        Filesize

        3.3MB

      • memory/3600-16-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/4972-6-0x0000000005190000-0x00000000051A4000-memory.dmp

        Filesize

        80KB

      • memory/4972-13-0x0000000074CE0000-0x0000000075490000-memory.dmp

        Filesize

        7.7MB

      • memory/4972-10-0x0000000006280000-0x000000000631C000-memory.dmp

        Filesize

        624KB

      • memory/4972-9-0x0000000005FC0000-0x0000000006036000-memory.dmp

        Filesize

        472KB

      • memory/4972-8-0x00000000051C0000-0x00000000051CC000-memory.dmp

        Filesize

        48KB

      • memory/4972-7-0x00000000051B0000-0x00000000051BA000-memory.dmp

        Filesize

        40KB

      • memory/4972-0-0x0000000000370000-0x000000000040C000-memory.dmp

        Filesize

        624KB

      • memory/4972-5-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

        Filesize

        40KB

      • memory/4972-4-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

        Filesize

        64KB

      • memory/4972-3-0x0000000004DE0000-0x0000000004E72000-memory.dmp

        Filesize

        584KB

      • memory/4972-2-0x00000000052F0000-0x0000000005894000-memory.dmp

        Filesize

        5.6MB

      • memory/4972-1-0x0000000074CE0000-0x0000000075490000-memory.dmp

        Filesize

        7.7MB