Analysis

  • max time kernel
    145s
  • max time network
    171s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    09-08-2021 08:10

General

  • Target

    SWIFT pdf.exe

  • Size

    606KB

  • MD5

    e56c9c4ab6dc95417d6c183365600548

  • SHA1

    9ef8b8825f0c4b1a655653bb4090fd0086d94cc6

  • SHA256

    4388d14cd19cb633714502e52d87743ba879eba3e33473e360350be55602c983

  • SHA512

    4e9fc00fab520a09f6c26378832530e3490a5f295d0b55e6e30733175bb306e38ab66d6e7aaf74f1c7d7531e512899859521beda9801d49943d2e9e7205aae81

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.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 17 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\SWIFT pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SWIFT pdf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Windows\SysWOW64\DpiScaling.exe
        C:\Windows\System32\DpiScaling.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1472
    • 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:1768
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\DpiScaling.exe"
        3⤵
          PID:340

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/340-71-0x0000000000000000-mapping.dmp
    • memory/1072-59-0x0000000000230000-0x0000000000231000-memory.dmp
      Filesize

      4KB

    • memory/1072-60-0x00000000752F1000-0x00000000752F3000-memory.dmp
      Filesize

      8KB

    • memory/1288-74-0x0000000007CB0000-0x0000000007DAB000-memory.dmp
      Filesize

      1004KB

    • memory/1288-67-0x0000000006F50000-0x00000000070F9000-memory.dmp
      Filesize

      1.7MB

    • memory/1472-66-0x0000000001F80000-0x0000000002283000-memory.dmp
      Filesize

      3.0MB

    • memory/1472-63-0x0000000000090000-0x0000000000091000-memory.dmp
      Filesize

      4KB

    • memory/1472-65-0x0000000010410000-0x000000001043E000-memory.dmp
      Filesize

      184KB

    • memory/1472-64-0x0000000000440000-0x0000000000454000-memory.dmp
      Filesize

      80KB

    • memory/1472-61-0x0000000000000000-mapping.dmp
    • memory/1768-68-0x0000000000000000-mapping.dmp
    • memory/1768-69-0x0000000000A60000-0x0000000000A68000-memory.dmp
      Filesize

      32KB

    • memory/1768-70-0x00000000000C0000-0x00000000000EE000-memory.dmp
      Filesize

      184KB

    • memory/1768-72-0x00000000006E0000-0x00000000009E3000-memory.dmp
      Filesize

      3.0MB

    • memory/1768-73-0x00000000005C0000-0x0000000000653000-memory.dmp
      Filesize

      588KB