Analysis

  • max time kernel
    153s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    21/03/2022, 19:11

General

  • Target
    PO.21322.pdf.exe
  • Size 1013KB
  • Sample220321-xvx86sdeg4
  • SHA256 def9b0d4675814fa8872b848059fcc239915fe71bb363685d495ebf799c9bfc4
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • a30t

Decoy
  • nietru.icu

  • saudiafc.com

  • 8120567.com

  • grundrow.site

  • tsinversiones.com

  • sytgzx.com

  • hannoschoeck.online

  • cerdacapital.com

  • mastercard-tz.com

  • asupermarkt.store

  • carmobility.online

  • estudiocontablegrados.com

  • downtis.online

  • kingdomdefensesystems.net

  • mw.sbs

  • aiotrip.com

  • decentralcase.com

  • intentionallivingwithmeb.com

  • administratorlope.site

  • uc-un.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Users\Admin\AppData\Local\Temp\PO.21322.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PO.21322.pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4064
      • C:\Users\Admin\AppData\Local\Temp\PO.21322.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\PO.21322.pdf.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1532
    • 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:2956
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PO.21322.pdf.exe"
        3⤵
          PID:2128

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1532-137-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/1532-141-0x0000000001700000-0x0000000001714000-memory.dmp

          memory/1532-140-0x000000000041F000-0x0000000000420000-memory.dmp

          memory/1532-139-0x00000000019F0000-0x0000000001D3A000-memory.dmp

          memory/2436-147-0x0000000008420000-0x0000000008547000-memory.dmp

          memory/2436-142-0x0000000007E60000-0x0000000007FDB000-memory.dmp

          memory/2956-143-0x00000000003B0000-0x00000000003BE000-memory.dmp

          memory/2956-144-0x0000000000EA0000-0x0000000000ECF000-memory.dmp

          memory/2956-145-0x0000000001900000-0x0000000001C4A000-memory.dmp

          memory/2956-146-0x0000000001800000-0x0000000001893000-memory.dmp

          memory/4064-136-0x0000000007490000-0x000000000752C000-memory.dmp

          memory/4064-135-0x0000000004B30000-0x0000000004B3A000-memory.dmp

          memory/4064-134-0x0000000004B00000-0x00000000050A4000-memory.dmp

          memory/4064-133-0x0000000004BA0000-0x0000000004C32000-memory.dmp

          memory/4064-131-0x0000000074BD0000-0x0000000075380000-memory.dmp

          memory/4064-130-0x00000000001B0000-0x00000000002B4000-memory.dmp

          memory/4064-132-0x00000000050B0000-0x0000000005654000-memory.dmp