Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2024 06:20

General

  • Target

    MalwareBazaar.exe

  • Size

    691KB

  • MD5

    47a2a7a19ce5697f30aec774d5b7f9b7

  • SHA1

    dfa50083c7dd8caabdf1abf9a72cee128c32fe3c

  • SHA256

    f8a6d38a7a548a8621059aaaa87265c7c8d164b0f8eac7f6c0f7e4ec201de4a2

  • SHA512

    59c08155dce6e69a1d0abb43f0df5711f5dc40707f88e8dd12660092710f142d8b8a2fbf2c19b4f2deb7c637245914038f25bb586ce9e53b9ed6eb62fb072feb

  • SSDEEP

    12288:baODWx2PQfDxCP5M90yYgo2HckARGXHn4tOBPb5np2Fna1u4HkR:bxawMDIGiIJ0GXHnaONnp8n2S

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dk07

Decoy

reclam.xyz

parchmentmediaadd.com

gaolibai.site

menage-exclusif.com

ceremoniesbyjade.com

5663876.com

take3.xyz

environmentaladvocacygroup.com

fp38z.rest

elektro-vlasic.com

bollybytestv.com

udfunsd.cloud

studiomiraiarq.com

e-commercebrasil.shop

sansiddhiedu.com

draaronroughan.net

24angel.com

rjh-equestrian.com

22db3rgdg6a73pea7.vip

mintygreen-wellnessportal.com

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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.

  • Blocklisted process makes network request 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3424
    • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
      "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3372
      • 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\MalwareBazaar.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2532
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NDvhFxac.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:228
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NDvhFxac" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D49.tmp"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4964
      • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
        "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
          PID:3456
        • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
          "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
          3⤵
            PID:4160
          • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
            "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:736
        • C:\Windows\SysWOW64\msiexec.exe
          "C:\Windows\SysWOW64\msiexec.exe"
          2⤵
          • Blocklisted process makes network request
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3452
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
            3⤵
              PID:1476

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

          Filesize

          2KB

          MD5

          3d086a433708053f9bf9523e1d87a4e8

          SHA1

          b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

          SHA256

          6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

          SHA512

          931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          18KB

          MD5

          1a34d521ad1257344e1969cc6b843034

          SHA1

          d300656d26a408d983100d864e1a6c33c9bd8033

          SHA256

          3bf2ac647eaa7f1b79fddb6ebc9762482ae7d22870a48f5cbf040d708652c6e6

          SHA512

          5ca5394853399b25e898b60c21256174a277ce49694780538fcff9a7ca6f876fc562f4d21c36d41dad85e37942d8616007eadefc6f51f795b19deca9326236c8

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ubox2zsl.4ld.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp9D49.tmp

          Filesize

          1KB

          MD5

          b3f53974d083420e9b90f58973132db0

          SHA1

          d9679c010236861c3319210496c37d6174bae5e6

          SHA256

          2ee120759adc704a208321742ba60a6e28decf193a6e89d0e522c55a07d2c2de

          SHA512

          2bb7c80da177efa31512a02053c97828f33582481564a0187607f3b945841836216a96255f450247c7a44fde55fa04ebbd4f615fe6042bf1997b86791da2b88d

        • memory/228-80-0x0000000007E80000-0x0000000007E94000-memory.dmp

          Filesize

          80KB

        • memory/228-81-0x0000000007F80000-0x0000000007F9A000-memory.dmp

          Filesize

          104KB

        • memory/228-22-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/228-74-0x0000000008290000-0x000000000890A000-memory.dmp

          Filesize

          6.5MB

        • memory/228-73-0x0000000007AF0000-0x0000000007B93000-memory.dmp

          Filesize

          652KB

        • memory/228-63-0x000000006FA90000-0x000000006FADC000-memory.dmp

          Filesize

          304KB

        • memory/228-89-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/228-36-0x00000000062B0000-0x0000000006316000-memory.dmp

          Filesize

          408KB

        • memory/228-23-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/736-47-0x0000000000400000-0x000000000042F000-memory.dmp

          Filesize

          188KB

        • memory/736-90-0x0000000000400000-0x000000000042F000-memory.dmp

          Filesize

          188KB

        • memory/2532-19-0x00000000058F0000-0x0000000005F18000-memory.dmp

          Filesize

          6.2MB

        • memory/2532-75-0x00000000079E0000-0x00000000079FA000-memory.dmp

          Filesize

          104KB

        • memory/2532-20-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2532-18-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2532-88-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/2532-17-0x0000000002DB0000-0x0000000002DE6000-memory.dmp

          Filesize

          216KB

        • memory/2532-82-0x0000000007D00000-0x0000000007D08000-memory.dmp

          Filesize

          32KB

        • memory/2532-30-0x0000000005FC0000-0x0000000006026000-memory.dmp

          Filesize

          408KB

        • memory/2532-79-0x0000000007C10000-0x0000000007C1E000-memory.dmp

          Filesize

          56KB

        • memory/2532-44-0x00000000066C0000-0x00000000066DE000-memory.dmp

          Filesize

          120KB

        • memory/2532-46-0x00000000066E0000-0x000000000672C000-memory.dmp

          Filesize

          304KB

        • memory/2532-78-0x0000000007BE0000-0x0000000007BF1000-memory.dmp

          Filesize

          68KB

        • memory/2532-77-0x0000000007C60000-0x0000000007CF6000-memory.dmp

          Filesize

          600KB

        • memory/2532-51-0x0000000007880000-0x00000000078B2000-memory.dmp

          Filesize

          200KB

        • memory/2532-62-0x0000000006CA0000-0x0000000006CBE000-memory.dmp

          Filesize

          120KB

        • memory/2532-76-0x0000000007A50000-0x0000000007A5A000-memory.dmp

          Filesize

          40KB

        • memory/2532-52-0x000000006FA90000-0x000000006FADC000-memory.dmp

          Filesize

          304KB

        • memory/2532-21-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/3372-12-0x00000000093C0000-0x000000000945C000-memory.dmp

          Filesize

          624KB

        • memory/3372-1-0x00000000006D0000-0x0000000000780000-memory.dmp

          Filesize

          704KB

        • memory/3372-7-0x0000000005E20000-0x0000000005E32000-memory.dmp

          Filesize

          72KB

        • memory/3372-49-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/3372-10-0x0000000006930000-0x000000000693E000-memory.dmp

          Filesize

          56KB

        • memory/3372-11-0x0000000006950000-0x00000000069C6000-memory.dmp

          Filesize

          472KB

        • memory/3372-6-0x0000000005360000-0x00000000056B4000-memory.dmp

          Filesize

          3.3MB

        • memory/3372-5-0x0000000074B20000-0x00000000752D0000-memory.dmp

          Filesize

          7.7MB

        • memory/3372-9-0x00000000068E0000-0x00000000068FA000-memory.dmp

          Filesize

          104KB

        • memory/3372-4-0x0000000005320000-0x000000000532A000-memory.dmp

          Filesize

          40KB

        • memory/3372-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

          Filesize

          4KB

        • memory/3372-3-0x0000000005150000-0x00000000051E2000-memory.dmp

          Filesize

          584KB

        • memory/3372-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

          Filesize

          5.6MB

        • memory/3372-8-0x0000000006D80000-0x0000000006DA2000-memory.dmp

          Filesize

          136KB

        • memory/3424-97-0x0000000008AE0000-0x0000000008C1F000-memory.dmp

          Filesize

          1.2MB

        • memory/3452-91-0x0000000000F00000-0x0000000000F12000-memory.dmp

          Filesize

          72KB

        • memory/3452-94-0x0000000000F00000-0x0000000000F12000-memory.dmp

          Filesize

          72KB

        • memory/3452-92-0x0000000000F00000-0x0000000000F12000-memory.dmp

          Filesize

          72KB

        • memory/3452-95-0x0000000000C00000-0x0000000000C2F000-memory.dmp

          Filesize

          188KB