Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    20-10-2021 16:41

General

  • Target

    obizx.exe

  • Size

    407KB

  • MD5

    49d580ed801dcd3c12a2bf56e82a3baa

  • SHA1

    ee97619d2e4a2dcec42a9a184fdead03b3016690

  • SHA256

    2776237004407d8c72906ce72050cda1b0d9abeb20e313abf7a98e6fea03ce8d

  • SHA512

    fbf3c5c087a96b70c9e1f95f17084fbb671f3f1fbaf5050ed4617ee869eef0c4b0365b48a07ca7a480f14ba682b3b89e246c2b15c4bea562e2099b8fbf4f6485

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fkt8

C2

http://www.grampianscottages.com/fkt8/

Decoy

chosenvoicesrising.com

sinanbodur.com

ajayforchange.com

ucp.coffee

voteyatooma.com

budgetsignsco.com

greenscheme.xyz

bscvbuye.xyz

onlineslot.website

posta-sk-online.com

lawrencesmithart.com

clubbiohack.com

rancrypto.net

ankitanandroy.com

mdexam.info

rochx7.com

experiencegreatness.site

rooferseeker.com

xy-marine.com

tecnograss.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Admin\AppData\Local\Temp\obizx.exe
      "C:\Users\Admin\AppData\Local\Temp\obizx.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1756
      • C:\Users\Admin\AppData\Local\Temp\obizx.exe
        "C:\Users\Admin\AppData\Local\Temp\obizx.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1984
    • C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1584
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\obizx.exe"
        3⤵
          PID:824

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/824-131-0x0000000000000000-mapping.dmp
    • memory/1584-130-0x0000000000000000-mapping.dmp
    • memory/1584-135-0x0000000004260000-0x00000000042F3000-memory.dmp
      Filesize

      588KB

    • memory/1584-134-0x0000000004400000-0x0000000004720000-memory.dmp
      Filesize

      3.1MB

    • memory/1584-132-0x00000000002E0000-0x00000000002E6000-memory.dmp
      Filesize

      24KB

    • memory/1584-133-0x0000000002310000-0x000000000233F000-memory.dmp
      Filesize

      188KB

    • memory/1756-121-0x0000000008870000-0x0000000008877000-memory.dmp
      Filesize

      28KB

    • memory/1756-119-0x0000000005180000-0x0000000005181000-memory.dmp
      Filesize

      4KB

    • memory/1756-117-0x0000000005680000-0x0000000005681000-memory.dmp
      Filesize

      4KB

    • memory/1756-118-0x0000000005220000-0x0000000005221000-memory.dmp
      Filesize

      4KB

    • memory/1756-123-0x0000000008D50000-0x0000000008DA0000-memory.dmp
      Filesize

      320KB

    • memory/1756-120-0x0000000005180000-0x000000000567E000-memory.dmp
      Filesize

      5.0MB

    • memory/1756-115-0x00000000008D0000-0x00000000008D1000-memory.dmp
      Filesize

      4KB

    • memory/1756-122-0x0000000008BB0000-0x0000000008BB1000-memory.dmp
      Filesize

      4KB

    • memory/1984-128-0x0000000000F00000-0x0000000000F14000-memory.dmp
      Filesize

      80KB

    • memory/1984-127-0x0000000001020000-0x0000000001340000-memory.dmp
      Filesize

      3.1MB

    • memory/1984-125-0x000000000041F0C0-mapping.dmp
    • memory/1984-124-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/3056-129-0x0000000006140000-0x000000000625F000-memory.dmp
      Filesize

      1.1MB

    • memory/3056-136-0x00000000022B0000-0x000000000234B000-memory.dmp
      Filesize

      620KB