Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2023, 01:18

General

  • Target
    Processed payment-pdf-.exe
  • Size 666KB
  • Sample230129-bnyepshc64
  • SHA256 1433291db27a99f71c5f0952140b96fb9110cffcf412b1bdcb0bdb1abb2cb07b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • a09e

Decoy
  • wlan.page

  • coastline-connect.com

  • globalgiggler.com

  • ciudadea.com

  • greecomfortt.com

  • dearx.app

  • dehumidifierfactory.com

  • solaroptic.net

  • gramsurthebest.com

  • h2energypanama.com

  • ab-daily.com

  • efefabaft.buzz

  • gifcome.com

  • homegrownjournals.com

  • bw6dageyaozoul.com

  • bouncepictures.co.uk

  • gileadtech.africa

  • cajun-crab-houses.com

  • mp4moviesz.net

  • joshflagner.com

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Users\Admin\AppData\Local\Temp\Processed payment-pdf-.exe
      "C:\Users\Admin\AppData\Local\Temp\Processed payment-pdf-.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:5004
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\luUsaEkH.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4488
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\luUsaEkH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9FE.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:3924
      • C:\Users\Admin\AppData\Local\Temp\Processed payment-pdf-.exe
        "C:\Users\Admin\AppData\Local\Temp\Processed payment-pdf-.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:5008
    • C:\Windows\SysWOW64\WWAHost.exe
      "C:\Windows\SysWOW64\WWAHost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2060
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Processed payment-pdf-.exe"
        3⤵
          PID:648

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmp9FE.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp9FE.tmp
          • Size 1KB
          • SHA256 9c5d9d4379b0f565fe97d000cb907d0eb9969dc46da4f3c467da893c3f48f587
          • MD5 SHA1 SHA512

          memory/760-151-0x0000000008190000-0x00000000082E9000-memory.dmp

          memory/760-171-0x0000000008C40000-0x0000000008D9F000-memory.dmp

          memory/760-169-0x0000000008C40000-0x0000000008D9F000-memory.dmp

          memory/2060-170-0x0000000000D60000-0x0000000000D8F000-memory.dmp

          memory/2060-168-0x0000000001AD0000-0x0000000001B64000-memory.dmp

          memory/2060-163-0x0000000000D60000-0x0000000000D8F000-memory.dmp

          memory/2060-162-0x0000000001BB0000-0x0000000001EFA000-memory.dmp

          memory/2060-161-0x0000000000730000-0x000000000080C000-memory.dmp

          memory/4488-141-0x0000000005690000-0x0000000005CB8000-memory.dmp

          memory/4488-158-0x00000000078B0000-0x00000000078CA000-memory.dmp

          memory/4488-146-0x0000000005F20000-0x0000000005F86000-memory.dmp

          memory/4488-148-0x00000000065B0000-0x00000000065CE000-memory.dmp

          memory/4488-167-0x0000000007BE0000-0x0000000007BE8000-memory.dmp

          memory/4488-166-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

          memory/4488-144-0x00000000054D0000-0x00000000054F2000-memory.dmp

          memory/4488-152-0x0000000007570000-0x00000000075A2000-memory.dmp

          memory/4488-153-0x00000000714B0000-0x00000000714FC000-memory.dmp

          memory/4488-154-0x0000000006B50000-0x0000000006B6E000-memory.dmp

          memory/4488-165-0x0000000007AF0000-0x0000000007AFE000-memory.dmp

          memory/4488-164-0x0000000007B30000-0x0000000007BC6000-memory.dmp

          memory/4488-157-0x0000000007EF0000-0x000000000856A000-memory.dmp

          memory/4488-145-0x0000000005EB0000-0x0000000005F16000-memory.dmp

          memory/4488-160-0x0000000007920000-0x000000000792A000-memory.dmp

          memory/4488-139-0x0000000004FE0000-0x0000000005016000-memory.dmp

          memory/5004-132-0x0000000000A10000-0x0000000000ABC000-memory.dmp

          memory/5004-136-0x0000000007C30000-0x0000000007CCC000-memory.dmp

          memory/5004-135-0x0000000005470000-0x000000000547A000-memory.dmp

          memory/5004-134-0x00000000054B0000-0x0000000005542000-memory.dmp

          memory/5004-133-0x00000000059C0000-0x0000000005F64000-memory.dmp

          memory/5008-156-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/5008-143-0x0000000000400000-0x000000000042F000-memory.dmp

          memory/5008-150-0x0000000001270000-0x0000000001285000-memory.dmp

          memory/5008-149-0x0000000001290000-0x00000000015DA000-memory.dmp