Analysis

  • max time kernel
    153s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 20:10

General

  • Target
    Justificante de transferencia ES080049 EUR57904 221010.exe
  • Size 1009KB
  • Sample221011-yxpkgscegq
  • SHA256 49bee43f1928c8c6cf9c0d2d692df4581235784d51ded3051685fd18a51d5599
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • formbook

Version
  • 4.1

Campaign
  • jr22

Decoy
  • 941zhe.com

  • lunarportal.space

  • xn--osmaniyeiek-t9ab.online

  • trejoscar.com

  • nrnursery.com

  • quizcannot.cfd

  • seedstockersthailand.com

  • watsonwindow.com

  • wjfholdings.com

  • weziclondon.com

  • naruot.xyz

  • yeji.plus

  • classicmenstore.com

  • oharatravel.com

  • therapyplankits.com

  • keviegreshonpt.com

  • qdlyner.com

  • seithupaarungal.com

  • casinorates.online

  • 8ug4as.icu

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.

  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 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 WriteProcessMemory
    PID:2228
    • C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES080049 EUR57904 221010.exe
      "C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES080049 EUR57904 221010.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:400
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES080049 EUR57904 221010.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4432
      • C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES080049 EUR57904 221010.exe
        "C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES080049 EUR57904 221010.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3996
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:3676
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2468
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\Justificante de transferencia ES080049 EUR57904 221010.exe"
          3⤵
            PID:2400

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/400-133-0x0000000004FF0000-0x0000000005594000-memory.dmp

            memory/400-134-0x0000000004AE0000-0x0000000004B72000-memory.dmp

            memory/400-135-0x0000000004AD0000-0x0000000004ADA000-memory.dmp

            memory/400-136-0x0000000000840000-0x00000000008DC000-memory.dmp

            memory/400-137-0x0000000000930000-0x0000000000996000-memory.dmp

            memory/400-132-0x0000000000010000-0x0000000000112000-memory.dmp

            memory/2228-169-0x0000000007FE0000-0x000000000813E000-memory.dmp

            memory/2228-167-0x0000000007FE0000-0x000000000813E000-memory.dmp

            memory/2228-146-0x0000000002950000-0x0000000002AE8000-memory.dmp

            memory/2468-168-0x0000000000C20000-0x0000000000C4F000-memory.dmp

            memory/2468-166-0x0000000002B60000-0x0000000002BF3000-memory.dmp

            memory/2468-151-0x00000000005C0000-0x00000000009F3000-memory.dmp

            memory/2468-155-0x0000000002D20000-0x000000000306A000-memory.dmp

            memory/2468-153-0x0000000000C20000-0x0000000000C4F000-memory.dmp

            memory/3996-144-0x0000000001A80000-0x0000000001DCA000-memory.dmp

            memory/3996-145-0x00000000015D0000-0x00000000015E4000-memory.dmp

            memory/3996-140-0x0000000000400000-0x000000000042F000-memory.dmp

            memory/3996-150-0x0000000000400000-0x000000000042F000-memory.dmp

            memory/4432-141-0x00000000045C0000-0x00000000045F6000-memory.dmp

            memory/4432-152-0x0000000005BD0000-0x0000000005BEE000-memory.dmp

            memory/4432-156-0x0000000006BB0000-0x0000000006BE2000-memory.dmp

            memory/4432-157-0x000000006FAB0000-0x000000006FAFC000-memory.dmp

            memory/4432-158-0x00000000061A0000-0x00000000061BE000-memory.dmp

            memory/4432-159-0x0000000007520000-0x0000000007B9A000-memory.dmp

            memory/4432-160-0x0000000006EE0000-0x0000000006EFA000-memory.dmp

            memory/4432-161-0x0000000006F50000-0x0000000006F5A000-memory.dmp

            memory/4432-162-0x0000000007160000-0x00000000071F6000-memory.dmp

            memory/4432-163-0x0000000007110000-0x000000000711E000-memory.dmp

            memory/4432-164-0x0000000007220000-0x000000000723A000-memory.dmp

            memory/4432-165-0x0000000007200000-0x0000000007208000-memory.dmp

            memory/4432-148-0x0000000005260000-0x00000000052C6000-memory.dmp

            memory/4432-147-0x0000000004A90000-0x0000000004AB2000-memory.dmp

            memory/4432-143-0x0000000004C30000-0x0000000005258000-memory.dmp