Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-10-2024 13:58

General

  • Target

    malw2.exe

  • Size

    581KB

  • MD5

    1728a3584f50d156a0cff349e336fcaf

  • SHA1

    2a96f905684aac4d25f550f8121e08cf52bcd170

  • SHA256

    d8829590bfc10cebf2fcaed57649932d199832cbe2a31bae2368d7d675a7002d

  • SHA512

    56512a128e47bb296d82ea861da5ed694cecac4a726a8c1ce5b12ea8fdd34b22c7b8b632f57e1e30b62d6018cb778117b7cc60c7d25f0276bab47cbb8680a136

  • SSDEEP

    12288:RzE2jI65WKDq+pmj9/uhvYGgNLU2/8Hf0uzBkhCVbcu9eQ:RzNnlDqamj9/WvYvIo6Chqcu

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc01

Decoy

epatitis-treatment-26155.bond

52cy67sk.bond

nline-degree-6987776.world

ingxingdiandeng-2033.top

mberbreeze.cyou

48xc300mw.autos

obs-for-seniors-39582.bond

tpetersburg-3-tonn.online

egafon-parser.online

172jh.shop

ltraman.pro

bqfhnys.shop

ntercash24-cad.homes

uhtwister.cloud

alk-in-tubs-27353.bond

ucas-saaad.buzz

oko.events

8080713.xyz

refabricated-homes-74404.bond

inaa.boo

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 42 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Users\Admin\AppData\Local\Temp\malw2.exe
      "C:\Users\Admin\AppData\Local\Temp\malw2.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1316
      • 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\malw2.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3516
      • C:\Users\Admin\AppData\Local\Temp\malw2.exe
        "C:\Users\Admin\AppData\Local\Temp\malw2.exe"
        3⤵
          PID:2956
        • C:\Users\Admin\AppData\Local\Temp\malw2.exe
          "C:\Users\Admin\AppData\Local\Temp\malw2.exe"
          3⤵
            PID:1600
          • C:\Users\Admin\AppData\Local\Temp\malw2.exe
            "C:\Users\Admin\AppData\Local\Temp\malw2.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:1632
        • C:\Windows\SysWOW64\wscript.exe
          "C:\Windows\SysWOW64\wscript.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1420
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\malw2.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            PID:1476
        • C:\Windows\system32\taskmgr.exe
          "C:\Windows\system32\taskmgr.exe" /4
          2⤵
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2136
        • C:\Windows\system32\mmc.exe
          "C:\Windows\system32\mmc.exe" "C:\Windows\system32\taskschd.msc" /s
          2⤵
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1272

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fbmxwuzg.buh.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1316-7-0x00000000750A0000-0x0000000075850000-memory.dmp

        Filesize

        7.7MB

      • memory/1316-8-0x0000000005610000-0x0000000005622000-memory.dmp

        Filesize

        72KB

      • memory/1316-2-0x0000000005630000-0x0000000005BD4000-memory.dmp

        Filesize

        5.6MB

      • memory/1316-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp

        Filesize

        584KB

      • memory/1316-5-0x00000000750A0000-0x0000000075850000-memory.dmp

        Filesize

        7.7MB

      • memory/1316-4-0x0000000004F10000-0x0000000004F1A000-memory.dmp

        Filesize

        40KB

      • memory/1316-1-0x0000000000480000-0x0000000000518000-memory.dmp

        Filesize

        608KB

      • memory/1316-0-0x00000000750AE000-0x00000000750AF000-memory.dmp

        Filesize

        4KB

      • memory/1316-6-0x00000000750AE000-0x00000000750AF000-memory.dmp

        Filesize

        4KB

      • memory/1316-9-0x0000000007BA0000-0x0000000007C16000-memory.dmp

        Filesize

        472KB

      • memory/1316-10-0x000000000A350000-0x000000000A3EC000-memory.dmp

        Filesize

        624KB

      • memory/1316-11-0x00000000750A0000-0x0000000075850000-memory.dmp

        Filesize

        7.7MB

      • memory/1316-35-0x00000000750A0000-0x0000000075850000-memory.dmp

        Filesize

        7.7MB

      • memory/1420-72-0x0000000000C00000-0x0000000000C2F000-memory.dmp

        Filesize

        188KB

      • memory/1420-71-0x0000000000D70000-0x0000000000D97000-memory.dmp

        Filesize

        156KB

      • memory/1632-32-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/1632-38-0x00000000013C0000-0x00000000013D4000-memory.dmp

        Filesize

        80KB

      • memory/1632-70-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/1632-34-0x0000000001840000-0x0000000001B8A000-memory.dmp

        Filesize

        3.3MB

      • memory/1632-37-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/2136-92-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/2136-91-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/2136-86-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/2136-82-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/2136-81-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/2136-80-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/2136-90-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/2136-89-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/2136-88-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/2136-87-0x0000017A91430000-0x0000017A91431000-memory.dmp

        Filesize

        4KB

      • memory/3516-41-0x0000000006F90000-0x0000000006FC2000-memory.dmp

        Filesize

        200KB

      • memory/3516-30-0x00000000069D0000-0x00000000069EE000-memory.dmp

        Filesize

        120KB

      • memory/3516-53-0x0000000006F60000-0x0000000006F7E000-memory.dmp

        Filesize

        120KB

      • memory/3516-54-0x0000000007BE0000-0x0000000007C83000-memory.dmp

        Filesize

        652KB

      • memory/3516-55-0x0000000008340000-0x00000000089BA000-memory.dmp

        Filesize

        6.5MB

      • memory/3516-56-0x0000000007D00000-0x0000000007D1A000-memory.dmp

        Filesize

        104KB

      • memory/3516-57-0x0000000007D70000-0x0000000007D7A000-memory.dmp

        Filesize

        40KB

      • memory/3516-58-0x0000000007F80000-0x0000000008016000-memory.dmp

        Filesize

        600KB

      • memory/3516-59-0x0000000007F00000-0x0000000007F11000-memory.dmp

        Filesize

        68KB

      • memory/3516-60-0x00000000750A0000-0x0000000075850000-memory.dmp

        Filesize

        7.7MB

      • memory/3516-61-0x0000000007F30000-0x0000000007F3E000-memory.dmp

        Filesize

        56KB

      • memory/3516-62-0x0000000007F40000-0x0000000007F54000-memory.dmp

        Filesize

        80KB

      • memory/3516-63-0x0000000008040000-0x000000000805A000-memory.dmp

        Filesize

        104KB

      • memory/3516-64-0x0000000008020000-0x0000000008028000-memory.dmp

        Filesize

        32KB

      • memory/3516-67-0x00000000750A0000-0x0000000075850000-memory.dmp

        Filesize

        7.7MB

      • memory/3516-12-0x00000000030D0000-0x0000000003106000-memory.dmp

        Filesize

        216KB

      • memory/3516-13-0x00000000750A0000-0x0000000075850000-memory.dmp

        Filesize

        7.7MB

      • memory/3516-42-0x000000006F8F0000-0x000000006F93C000-memory.dmp

        Filesize

        304KB

      • memory/3516-40-0x000000007FB50000-0x000000007FB60000-memory.dmp

        Filesize

        64KB

      • memory/3516-31-0x0000000006A10000-0x0000000006A5C000-memory.dmp

        Filesize

        304KB

      • memory/3516-15-0x00000000750A0000-0x0000000075850000-memory.dmp

        Filesize

        7.7MB

      • memory/3516-14-0x0000000005D70000-0x0000000006398000-memory.dmp

        Filesize

        6.2MB

      • memory/3516-52-0x0000000005730000-0x0000000005740000-memory.dmp

        Filesize

        64KB

      • memory/3516-29-0x0000000006580000-0x00000000068D4000-memory.dmp

        Filesize

        3.3MB

      • memory/3516-19-0x0000000006410000-0x0000000006476000-memory.dmp

        Filesize

        408KB

      • memory/3516-18-0x0000000005CA0000-0x0000000005D06000-memory.dmp

        Filesize

        408KB

      • memory/3516-16-0x0000000005C00000-0x0000000005C22000-memory.dmp

        Filesize

        136KB

      • memory/3516-17-0x00000000750A0000-0x0000000075850000-memory.dmp

        Filesize

        7.7MB

      • memory/3560-76-0x0000000008D20000-0x0000000008E61000-memory.dmp

        Filesize

        1.3MB

      • memory/3560-74-0x0000000008BF0000-0x0000000008D1E000-memory.dmp

        Filesize

        1.2MB

      • memory/3560-69-0x0000000008BF0000-0x0000000008D1E000-memory.dmp

        Filesize

        1.2MB

      • memory/3560-39-0x0000000008F80000-0x0000000009054000-memory.dmp

        Filesize

        848KB