Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    24-09-2021 13:19

General

  • Target

    Produktmuster bestellen pdf.exe

  • Size

    841KB

  • MD5

    5ca062106a36b73b0eaffd7170d6b239

  • SHA1

    fe5ab18a5e48988fd36b1318d4d1416d1f7014a6

  • SHA256

    ff163e8cfe858604b414adc36790c2b81d59efe58b4b3bb3628893828f8dbdab

  • SHA512

    c96de515f577f2b708423c82632403d4215f911d89100ba213950111e61f50a3690fef55290322febbb00516a43c3e2bb46a8008a36ea28ad2ba234114842b63

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 56 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:2972
    • C:\Users\Admin\AppData\Local\Temp\Produktmuster bestellen pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Produktmuster bestellen pdf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1820
      • C:\Windows\SysWOW64\DpiScaling.exe
        DpiScaling.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2536
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\DpiScaling.exe"
        3⤵
          PID:3532

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1820-115-0x0000000000630000-0x000000000077A000-memory.dmp
      Filesize

      1.3MB

    • memory/2536-116-0x0000000000000000-mapping.dmp
    • memory/2536-118-0x0000000010410000-0x000000001043E000-memory.dmp
      Filesize

      184KB

    • memory/2536-117-0x0000000000700000-0x0000000000701000-memory.dmp
      Filesize

      4KB

    • memory/2536-120-0x0000000000FA0000-0x0000000000FB4000-memory.dmp
      Filesize

      80KB

    • memory/2536-119-0x0000000004780000-0x0000000004AA0000-memory.dmp
      Filesize

      3.1MB

    • memory/2796-124-0x0000000000A00000-0x0000000000A2E000-memory.dmp
      Filesize

      184KB

    • memory/2796-122-0x0000000000000000-mapping.dmp
    • memory/2796-123-0x0000000001080000-0x0000000001099000-memory.dmp
      Filesize

      100KB

    • memory/2796-125-0x00000000049E0000-0x0000000004D00000-memory.dmp
      Filesize

      3.1MB

    • memory/2796-127-0x0000000004750000-0x00000000047E3000-memory.dmp
      Filesize

      588KB

    • memory/2972-121-0x0000000006B30000-0x0000000006C7D000-memory.dmp
      Filesize

      1.3MB

    • memory/2972-128-0x0000000006C80000-0x0000000006DFC000-memory.dmp
      Filesize

      1.5MB

    • memory/3532-126-0x0000000000000000-mapping.dmp