Analysis

  • max time kernel
    146s
  • max time network
    125s
  • 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 07:16

General

  • Target

    MalwareBazaar.exe

  • Size

    677KB

  • MD5

    6c63cd4270013e1d03abde4d6acf18fe

  • SHA1

    70a81b1b6d7b773d48e6293d23cb7858d69d4a7b

  • SHA256

    94f29a8158717b4c268b41e8eb72bc7301f2d4578dc41a06deabe79ff8e767dd

  • SHA512

    e05335e284dc5941fe678f24307ea08d5a5a12ce769cc1be1541cc544f3eac99970f6757e0dd93b687569f165e4bb022965be87fc3041095d718abd9f904d0d8

  • SSDEEP

    12288:BJbDWx2PQf9YGtFgiscZBpOf9DtMu461PxlWGsxthsQYG:BFawMZ/g0p0su163HyQYG

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h209

Decoy

sbtstuff.site

omlyes.com

movershifting.com

gearballer.com

oketoto.pro

myringleader.com

lrcjc750s.xyz

ata2024.xyz

password-manager-89409.bond

aiassistanthub.net

changvolt.cfd

netino.site

wear-wale.com

omnipresenceagency.com

huangguan.ooo

propersonnelmedia.com

9332952.com

k3s.support

ciytrw.xyz

cb095.pro

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 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.

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

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

  • 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 62 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3456
    • 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:2952
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\emFutmUjEJiXFv.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4872
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\emFutmUjEJiXFv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0D1.tmp"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1328
      • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
        "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        3⤵
          PID:1600
        • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
          "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
          3⤵
            PID:4884
          • 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:932
        • C:\Windows\SysWOW64\autoconv.exe
          "C:\Windows\SysWOW64\autoconv.exe"
          2⤵
            PID:3680
          • C:\Windows\SysWOW64\netsh.exe
            "C:\Windows\SysWOW64\netsh.exe"
            2⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2872
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
              3⤵
                PID:2396

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oz0qw31w.1bi.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmpB0D1.tmp

            Filesize

            1KB

            MD5

            b2b83b1ae858e53d28b6e3acc7ef7767

            SHA1

            e19b9db24bacaf1c7abf4a48fe340953cc5f7a6d

            SHA256

            3b6c9c5c254ccef0fef268895bc9e1ea7161f8d32d71869a8a50f7759f058ca4

            SHA512

            5b5b1656ab8ca70b8af6c7f7cc877127c0d65730423637840f44cf1ff7f464d66561eb4eee44a6f82d875660d2bc6f1eb0629c3f8fb4dbc9ff0255a8eea4e053

          • memory/932-22-0x0000000000400000-0x000000000042F000-memory.dmp

            Filesize

            188KB

          • memory/932-30-0x0000000000400000-0x000000000042F000-memory.dmp

            Filesize

            188KB

          • memory/932-31-0x00000000013F0000-0x0000000001405000-memory.dmp

            Filesize

            84KB

          • memory/932-28-0x0000000001880000-0x0000000001BCA000-memory.dmp

            Filesize

            3.3MB

          • memory/2872-60-0x0000000000F10000-0x0000000000F2E000-memory.dmp

            Filesize

            120KB

          • memory/2872-59-0x0000000000F10000-0x0000000000F2E000-memory.dmp

            Filesize

            120KB

          • memory/2872-71-0x0000000000D00000-0x0000000000D2F000-memory.dmp

            Filesize

            188KB

          • memory/2952-1-0x0000000000EB0000-0x0000000000F5E000-memory.dmp

            Filesize

            696KB

          • memory/2952-9-0x00000000075C0000-0x00000000075DA000-memory.dmp

            Filesize

            104KB

          • memory/2952-11-0x0000000006E30000-0x0000000006EA6000-memory.dmp

            Filesize

            472KB

          • memory/2952-12-0x00000000070F0000-0x000000000718C000-memory.dmp

            Filesize

            624KB

          • memory/2952-3-0x0000000005870000-0x0000000005902000-memory.dmp

            Filesize

            584KB

          • memory/2952-6-0x0000000005A60000-0x0000000005DB4000-memory.dmp

            Filesize

            3.3MB

          • memory/2952-7-0x00000000066E0000-0x00000000066F2000-memory.dmp

            Filesize

            72KB

          • memory/2952-4-0x0000000074920000-0x00000000750D0000-memory.dmp

            Filesize

            7.7MB

          • memory/2952-8-0x0000000007440000-0x0000000007462000-memory.dmp

            Filesize

            136KB

          • memory/2952-2-0x0000000005E20000-0x00000000063C4000-memory.dmp

            Filesize

            5.6MB

          • memory/2952-10-0x0000000006E10000-0x0000000006E1E000-memory.dmp

            Filesize

            56KB

          • memory/2952-0-0x000000007492E000-0x000000007492F000-memory.dmp

            Filesize

            4KB

          • memory/2952-5-0x0000000005820000-0x000000000582A000-memory.dmp

            Filesize

            40KB

          • memory/2952-27-0x0000000074920000-0x00000000750D0000-memory.dmp

            Filesize

            7.7MB

          • memory/3456-32-0x00000000091E0000-0x000000000934D000-memory.dmp

            Filesize

            1.4MB

          • memory/3456-74-0x00000000091E0000-0x000000000934D000-memory.dmp

            Filesize

            1.4MB

          • memory/3456-75-0x0000000009350000-0x00000000094E0000-memory.dmp

            Filesize

            1.6MB

          • memory/4872-26-0x0000000074920000-0x00000000750D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4872-24-0x00000000060F0000-0x0000000006156000-memory.dmp

            Filesize

            408KB

          • memory/4872-66-0x0000000007E90000-0x0000000007EAA000-memory.dmp

            Filesize

            104KB

          • memory/4872-43-0x00000000068C0000-0x000000000690C000-memory.dmp

            Filesize

            304KB

          • memory/4872-44-0x0000000006E00000-0x0000000006E32000-memory.dmp

            Filesize

            200KB

          • memory/4872-45-0x0000000071110000-0x000000007115C000-memory.dmp

            Filesize

            304KB

          • memory/4872-55-0x0000000006DE0000-0x0000000006DFE000-memory.dmp

            Filesize

            120KB

          • memory/4872-56-0x0000000006E50000-0x0000000006EF3000-memory.dmp

            Filesize

            652KB

          • memory/4872-57-0x00000000081A0000-0x000000000881A000-memory.dmp

            Filesize

            6.5MB

          • memory/4872-58-0x0000000007B50000-0x0000000007B6A000-memory.dmp

            Filesize

            104KB

          • memory/4872-23-0x0000000005920000-0x0000000005986000-memory.dmp

            Filesize

            408KB

          • memory/4872-19-0x00000000059D0000-0x0000000005FF8000-memory.dmp

            Filesize

            6.2MB

          • memory/4872-61-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

            Filesize

            40KB

          • memory/4872-62-0x0000000007DD0000-0x0000000007E66000-memory.dmp

            Filesize

            600KB

          • memory/4872-63-0x0000000007D50000-0x0000000007D61000-memory.dmp

            Filesize

            68KB

          • memory/4872-64-0x0000000007D80000-0x0000000007D8E000-memory.dmp

            Filesize

            56KB

          • memory/4872-65-0x0000000007D90000-0x0000000007DA4000-memory.dmp

            Filesize

            80KB

          • memory/4872-42-0x0000000006830000-0x000000000684E000-memory.dmp

            Filesize

            120KB

          • memory/4872-67-0x0000000007E70000-0x0000000007E78000-memory.dmp

            Filesize

            32KB

          • memory/4872-70-0x0000000074920000-0x00000000750D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4872-21-0x0000000074920000-0x00000000750D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4872-20-0x0000000074920000-0x00000000750D0000-memory.dmp

            Filesize

            7.7MB

          • memory/4872-17-0x0000000002F10000-0x0000000002F46000-memory.dmp

            Filesize

            216KB