Analysis

  • max time kernel
    174s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 08:35

General

  • Target

    Urgent quote request -pdf-.exe

  • Size

    812KB

  • MD5

    ce411b2f7dfd407c1a546e160193b55d

  • SHA1

    c061262cf1a7999d7ee59694dd0c8bb570987e02

  • SHA256

    8cfdcbcbb0b67c66ebb1c3a4cfb995424a9dc791c13d8df53cea06bcd8c2afef

  • SHA512

    af96c79b2af92840691a777a72e650c0763f0bc20ecd8d1970ac97cdd5048768fbe413dbd7d673f03f53bcace92d517eeb17b9a791c4c29fa4463b6a8c9c51ba

  • SSDEEP

    12288:h2D2DHPXsU51ZM0W52nCrgxRzrzbH3sgGJy3i9zxihIg95lvTHRyoY:Q2DPugfrzbHcFJwIohIgvpjRpY

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a24e

Decoy

flormarine.co.uk

theglazingsquad.uk

konarkpharma.com

maxpropertyfinanceuk.co.uk

jackson-ifc.com

yvonneazevedoimoveis.net

baystella.com

arexbaba.online

trihgd.xyz

filth520571.com

cikpkg.cfd

jakesupport.com

8863365.com

duniaslot777.online

lop3a.com

berkut-clan.ru

lernnavigator.com

elenaisaprincess.co.uk

daimadaquan.xyz

mychirocart.net

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 44 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:2348
    • C:\Users\Admin\AppData\Local\Temp\Urgent quote request -pdf-.exe
      "C:\Users\Admin\AppData\Local\Temp\Urgent quote request -pdf-.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4264
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KLDxttbPfKRi.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2784
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KLDxttbPfKRi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp857C.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:4720
      • C:\Users\Admin\AppData\Local\Temp\Urgent quote request -pdf-.exe
        "C:\Users\Admin\AppData\Local\Temp\Urgent quote request -pdf-.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3148
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3664
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Urgent quote request -pdf-.exe"
        3⤵
          PID:3380

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp857C.tmp

      Filesize

      1KB

      MD5

      59dc243112b58cb6ad3f6e734047c63b

      SHA1

      0253fefdec8c4a49729199c89b37c6654f0c807c

      SHA256

      b9af5566646cd518eb14026bae19c2009a8f3e500b957a8285842eacd1220fec

      SHA512

      f8c1bcd90183ad4985d45e0172439ad65c51223b1301ce164df3da53c54c53fa95b7742dfd0441587a3c64b7103fd13911a481192292cb33d980e7251d5208fe

    • memory/2348-171-0x0000000002FD0000-0x000000000307C000-memory.dmp

      Filesize

      688KB

    • memory/2348-169-0x0000000002FD0000-0x000000000307C000-memory.dmp

      Filesize

      688KB

    • memory/2348-151-0x0000000008250000-0x0000000008355000-memory.dmp

      Filesize

      1.0MB

    • memory/2784-141-0x0000000005920000-0x0000000005F48000-memory.dmp

      Filesize

      6.2MB

    • memory/2784-154-0x0000000006C70000-0x0000000006CA2000-memory.dmp

      Filesize

      200KB

    • memory/2784-167-0x0000000007CD0000-0x0000000007CD8000-memory.dmp

      Filesize

      32KB

    • memory/2784-139-0x0000000002D60000-0x0000000002D96000-memory.dmp

      Filesize

      216KB

    • memory/2784-166-0x0000000007CF0000-0x0000000007D0A000-memory.dmp

      Filesize

      104KB

    • memory/2784-165-0x0000000007BE0000-0x0000000007BEE000-memory.dmp

      Filesize

      56KB

    • memory/2784-164-0x0000000007C30000-0x0000000007CC6000-memory.dmp

      Filesize

      600KB

    • memory/2784-163-0x0000000007A20000-0x0000000007A2A000-memory.dmp

      Filesize

      40KB

    • memory/2784-145-0x0000000005810000-0x0000000005876000-memory.dmp

      Filesize

      408KB

    • memory/2784-144-0x00000000055C0000-0x00000000055E2000-memory.dmp

      Filesize

      136KB

    • memory/2784-146-0x00000000060C0000-0x0000000006126000-memory.dmp

      Filesize

      408KB

    • memory/2784-162-0x00000000079B0000-0x00000000079CA000-memory.dmp

      Filesize

      104KB

    • memory/2784-149-0x00000000066A0000-0x00000000066BE000-memory.dmp

      Filesize

      120KB

    • memory/2784-160-0x0000000007FF0000-0x000000000866A000-memory.dmp

      Filesize

      6.5MB

    • memory/2784-156-0x0000000006C50000-0x0000000006C6E000-memory.dmp

      Filesize

      120KB

    • memory/2784-155-0x0000000070CC0000-0x0000000070D0C000-memory.dmp

      Filesize

      304KB

    • memory/2784-137-0x0000000000000000-mapping.dmp

    • memory/3148-150-0x0000000001650000-0x0000000001664000-memory.dmp

      Filesize

      80KB

    • memory/3148-142-0x0000000000000000-mapping.dmp

    • memory/3148-143-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/3148-153-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/3148-147-0x0000000001940000-0x0000000001C8A000-memory.dmp

      Filesize

      3.3MB

    • memory/3380-157-0x0000000000000000-mapping.dmp

    • memory/3664-158-0x0000000000960000-0x0000000000967000-memory.dmp

      Filesize

      28KB

    • memory/3664-161-0x0000000001040000-0x000000000106F000-memory.dmp

      Filesize

      188KB

    • memory/3664-159-0x00000000017E0000-0x0000000001B2A000-memory.dmp

      Filesize

      3.3MB

    • memory/3664-152-0x0000000000000000-mapping.dmp

    • memory/3664-168-0x0000000001660000-0x00000000016F3000-memory.dmp

      Filesize

      588KB

    • memory/3664-170-0x0000000001040000-0x000000000106F000-memory.dmp

      Filesize

      188KB

    • memory/4264-135-0x0000000005270000-0x000000000527A000-memory.dmp

      Filesize

      40KB

    • memory/4264-132-0x0000000000930000-0x0000000000A02000-memory.dmp

      Filesize

      840KB

    • memory/4264-136-0x0000000008E80000-0x0000000008F1C000-memory.dmp

      Filesize

      624KB

    • memory/4264-134-0x00000000052B0000-0x0000000005342000-memory.dmp

      Filesize

      584KB

    • memory/4264-133-0x00000000057C0000-0x0000000005D64000-memory.dmp

      Filesize

      5.6MB

    • memory/4720-138-0x0000000000000000-mapping.dmp