Analysis

  • max time kernel
    145s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    18-07-2024 06:06

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.

  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 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 29 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1144
      • C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
        "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2068
        • 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:1216
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\emFutmUjEJiXFv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF354.tmp"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2516
        • 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
          • Suspicious use of WriteProcessMemory
          PID:2744
          • C:\Windows\SysWOW64\msiexec.exe
            "C:\Windows\SysWOW64\msiexec.exe"
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2660
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
              5⤵
              • Deletes itself
              PID:2808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpF354.tmp

      Filesize

      1KB

      MD5

      ec3c7ebc6eeae74d75bf3b84513216dc

      SHA1

      df3cf7350e1d386c46a768ff5c3c41899c5abfb3

      SHA256

      cf3bffed0f3d19088cb35a36d6fcc4682398d6c3fb0ea43b8de5001850855285

      SHA512

      5d826ed33a344fc8da864eed8246bdad81cf848cebb165d919418f9d9fec8c302fe22f8b651b878623549a92887ff79600f880d03d6cee8cc128218f69156d46

    • memory/1144-22-0x0000000006FA0000-0x000000000711E000-memory.dmp

      Filesize

      1.5MB

    • memory/1144-27-0x0000000008100000-0x00000000081DF000-memory.dmp

      Filesize

      892KB

    • memory/2068-3-0x00000000005B0000-0x00000000005CA000-memory.dmp

      Filesize

      104KB

    • memory/2068-4-0x00000000005F0000-0x00000000005FE000-memory.dmp

      Filesize

      56KB

    • memory/2068-5-0x0000000004F60000-0x0000000004FD6000-memory.dmp

      Filesize

      472KB

    • memory/2068-2-0x0000000074840000-0x0000000074F2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2068-1-0x0000000001060000-0x000000000110E000-memory.dmp

      Filesize

      696KB

    • memory/2068-0-0x000000007484E000-0x000000007484F000-memory.dmp

      Filesize

      4KB

    • memory/2068-20-0x0000000074840000-0x0000000074F2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2660-26-0x00000000000D0000-0x00000000000FF000-memory.dmp

      Filesize

      188KB

    • memory/2660-25-0x00000000007F0000-0x0000000000804000-memory.dmp

      Filesize

      80KB

    • memory/2660-23-0x00000000007F0000-0x0000000000804000-memory.dmp

      Filesize

      80KB

    • memory/2744-18-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2744-21-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2744-15-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2744-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2744-13-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB