Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-05-2024 07:31

General

  • Target

    Asiaction__ Purchase Order_Specification.exe

  • Size

    616KB

  • MD5

    19e12707415e84553f9743a4d109ef73

  • SHA1

    96fc30b169baa93b1c45cac3de430cb52cfad229

  • SHA256

    56e0ddbe7333484dbf0251177a4fd5fa51cce0b5cd42efcc7f9c312b1818be56

  • SHA512

    5cbb44f5894e8cb139e54d9cc664ff00e3a1dde901fc9dc3017f49ae03e382bf648164526d233c869c48fdbda7c0ae2a23b4d70229de986341d1c26d5120b988

  • SSDEEP

    12288:SIKHQ8nWqI00M5PKTOd5iudnHR+vzjKQqePFLVoq3Fw:SIKH5fI0B5Pr57dnHMLqePRVoMF

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sg36

Decoy

cookfranschhoek.com

rajaslot138.today

eightfigureroundtable.com

sdklwdz.com

novaturienthealth.com

sk87k.xyz

defoutenmakers.online

eadsanuncios.com

drewkav.com

car-insurance-94416.bond

m3nm.site

6vab.site

towing-barnesville.top

authentifizierung-beginnen.com

thejmfc.com

beggiapizza.site

gttsfibermill.com

cdugood.com

dominiongeneralcontractors.com

deprepagos.com

Signatures

  • Formbook

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

  • Formbook payload 2 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 33 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe
      "C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nRGThSlhfFI.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2676
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nRGThSlhfFI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5A9E.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2716
      • C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe
        "C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe"
        3⤵
          PID:2768
        • C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe
          "C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:2852
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2516
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe"
          3⤵
          • Deletes itself
          PID:556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp5A9E.tmp

      Filesize

      1KB

      MD5

      bbdabfa864bce45996d6303cc6484929

      SHA1

      d6c0a66e1c809fc87aa3c3903266d4064031f3f1

      SHA256

      e79697bb5d61e643d828ca798b6af1d9449c6ea89d4ea6f5efd3b7c41d667b46

      SHA512

      b6a7f64ac5e0dc7c02bf5af81bbea1348e3a4b7545e5cc336dccf9c705b20b45cb4d8f1ace023ff300c7c3324ffb28efb4d79e20cbb4c64fc1f5529880bfd905

    • memory/1212-22-0x0000000003AC0000-0x0000000003BC0000-memory.dmp

      Filesize

      1024KB

    • memory/2420-20-0x00000000746C0000-0x0000000074DAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2420-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

      Filesize

      4KB

    • memory/2420-4-0x0000000000A80000-0x0000000000A8A000-memory.dmp

      Filesize

      40KB

    • memory/2420-5-0x0000000000AA0000-0x0000000000AAE000-memory.dmp

      Filesize

      56KB

    • memory/2420-6-0x0000000005280000-0x00000000052EE000-memory.dmp

      Filesize

      440KB

    • memory/2420-2-0x00000000746C0000-0x0000000074DAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2420-1-0x0000000001080000-0x0000000001120000-memory.dmp

      Filesize

      640KB

    • memory/2420-3-0x0000000000A20000-0x0000000000A40000-memory.dmp

      Filesize

      128KB

    • memory/2516-23-0x0000000000610000-0x0000000000891000-memory.dmp

      Filesize

      2.5MB

    • memory/2516-24-0x0000000000080000-0x00000000000AF000-memory.dmp

      Filesize

      188KB

    • memory/2852-19-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2852-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2852-16-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2852-14-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB