Analysis

  • max time kernel
    152s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03/05/2022, 12:33

General

  • Target
    DHL_AWB_NO#907853880911.exe
  • Size 213KB
  • Sample220503-prdflaech7
  • SHA256 e0586f6e028448a0dafda2bf958fd9d1d9b63636b29c8a8847e481a3122e71a2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • fw02

Decoy
  • payer-breakers.com

  • thesiscoper.com

  • rental-villa.com

  • scovikinnovations.com

  • hydh33.com

  • allmyshit.rest

  • lovejaclyn.com

  • vanessaruizwriting.com

  • dufonddelaclasse.com

  • kiddee168.com

  • monumentalmarketsllc.com

  • musclegainfatloss.com

  • avida.info

  • cosmo-wellness.net

  • dandelionfusedigital.com

  • oversizeloadbanners.com

  • konstelle.store

  • sdjnsbd.com

  • czoqg.xyz

  • 5p6xljjse1lq.xyz

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
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO#907853880911.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO#907853880911.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Users\Admin\AppData\Local\Temp\nceystz.exe
        C:\Users\Admin\AppData\Local\Temp\nceystz.exe C:\Users\Admin\AppData\Local\Temp\oqkvcyrte
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\Users\Admin\AppData\Local\Temp\nceystz.exe
          C:\Users\Admin\AppData\Local\Temp\nceystz.exe C:\Users\Admin\AppData\Local\Temp\oqkvcyrte
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2072
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\nceystz.exe"
        3⤵
          PID:2480

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          jc417bh38wtxp

          • Path C:\Users\Admin\AppData\Local\Temp\jc417bh38wtxp
          • Size 184KB
          • SHA256 d01d597fc03bb0e441c5d83bd0298c2ba37185dfbcab182f378ceacbd5f874eb
          • MD5 SHA1 SHA512 SSDEEP

          nceystz.exe

          • Path C:\Users\Admin\AppData\Local\Temp\nceystz.exe
          • Size 3KB
          • SHA256 86474c7d4e6c80d28cbe983b9a305b4d1c7911a3af84975b1757cc104d0f35f5
          • MD5 SHA1 SHA512

          nceystz.exe

          • Path C:\Users\Admin\AppData\Local\Temp\nceystz.exe
          • Size 3KB
          • SHA256 86474c7d4e6c80d28cbe983b9a305b4d1c7911a3af84975b1757cc104d0f35f5
          • MD5 SHA1 SHA512

          nceystz.exe

          • Path C:\Users\Admin\AppData\Local\Temp\nceystz.exe
          • Size 3KB
          • SHA256 86474c7d4e6c80d28cbe983b9a305b4d1c7911a3af84975b1757cc104d0f35f5
          • MD5 SHA1 SHA512

          oqkvcyrte

          • Path C:\Users\Admin\AppData\Local\Temp\oqkvcyrte
          • Size 5KB
          • SHA256 370a10405e857c3f44059dd6cbd0e9ebb17302c3c2081fc6de73974ebcecc489
          • MD5 SHA1 SHA512 SSDEEP

          memory/1880-141-0x0000000002F30000-0x000000000302B000-memory.dmp

          memory/1880-149-0x00000000086A0000-0x00000000087BB000-memory.dmp

          memory/2072-139-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2072-140-0x0000000000A20000-0x0000000000D6A000-memory.dmp

          memory/2072-136-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/2072-142-0x00000000009E0000-0x00000000009F4000-memory.dmp

          memory/3160-144-0x00000000005A0000-0x00000000005C7000-memory.dmp

          memory/3160-145-0x0000000000B70000-0x0000000000B9F000-memory.dmp

          memory/3160-147-0x0000000002F20000-0x000000000326A000-memory.dmp

          memory/3160-148-0x0000000002D50000-0x0000000002DE3000-memory.dmp