Analysis

  • max time kernel
    150s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 04:41

General

  • Target

    fff1b315d0a44a3ef6b60a077e5eb02d411ef60fa0033456219ef12a6f223a08.exe

  • Size

    284KB

  • MD5

    a0beb810c767b3c7f2096211e5600be3

  • SHA1

    e597e5248c0a5e268b3e0b1895f453db23c1147b

  • SHA256

    fff1b315d0a44a3ef6b60a077e5eb02d411ef60fa0033456219ef12a6f223a08

  • SHA512

    b2172258e115d970646fff99ab750b02bb25212bff2ffdf38630c7c2705edf19250e423e4e722ab8ff3a2f71d08490e169c658f8896498cedd334607040a0d4b

  • SSDEEP

    3072:nnayn5bSmpR1TmoNkMl4ymdu+sSi5KKGTKozEDGaKUa6xUgyX6lgq1Kx5RK1fYx+:B5umVmoNkMl4ymdu+sSi5KKGsjO

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fff1b315d0a44a3ef6b60a077e5eb02d411ef60fa0033456219ef12a6f223a08.exe
    "C:\Users\Admin\AppData\Local\Temp\fff1b315d0a44a3ef6b60a077e5eb02d411ef60fa0033456219ef12a6f223a08.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\toiofi.exe
      "C:\Users\Admin\toiofi.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1344

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\toiofi.exe

          Filesize

          284KB

          MD5

          30e9baac11a940d2c275ba744343f906

          SHA1

          e378f1508a67f24d0746f62bc57ad9a4818766a1

          SHA256

          e78a8a5e7a11b0c2e5e3b6754d80e7296d7e754aed2c4f14eb12b1ca79320bbe

          SHA512

          bd9dec5da9fcaa7b02d3d006ca0796f078bc70c596394b319889b91e3e56711450a34009559bf4e1ebb4a9050b06b4e60c1bc6b1631cd749f0d702f04710bd5b

        • C:\Users\Admin\toiofi.exe

          Filesize

          284KB

          MD5

          30e9baac11a940d2c275ba744343f906

          SHA1

          e378f1508a67f24d0746f62bc57ad9a4818766a1

          SHA256

          e78a8a5e7a11b0c2e5e3b6754d80e7296d7e754aed2c4f14eb12b1ca79320bbe

          SHA512

          bd9dec5da9fcaa7b02d3d006ca0796f078bc70c596394b319889b91e3e56711450a34009559bf4e1ebb4a9050b06b4e60c1bc6b1631cd749f0d702f04710bd5b

        • \Users\Admin\toiofi.exe

          Filesize

          284KB

          MD5

          30e9baac11a940d2c275ba744343f906

          SHA1

          e378f1508a67f24d0746f62bc57ad9a4818766a1

          SHA256

          e78a8a5e7a11b0c2e5e3b6754d80e7296d7e754aed2c4f14eb12b1ca79320bbe

          SHA512

          bd9dec5da9fcaa7b02d3d006ca0796f078bc70c596394b319889b91e3e56711450a34009559bf4e1ebb4a9050b06b4e60c1bc6b1631cd749f0d702f04710bd5b

        • \Users\Admin\toiofi.exe

          Filesize

          284KB

          MD5

          30e9baac11a940d2c275ba744343f906

          SHA1

          e378f1508a67f24d0746f62bc57ad9a4818766a1

          SHA256

          e78a8a5e7a11b0c2e5e3b6754d80e7296d7e754aed2c4f14eb12b1ca79320bbe

          SHA512

          bd9dec5da9fcaa7b02d3d006ca0796f078bc70c596394b319889b91e3e56711450a34009559bf4e1ebb4a9050b06b4e60c1bc6b1631cd749f0d702f04710bd5b

        • memory/960-56-0x00000000757A1000-0x00000000757A3000-memory.dmp

          Filesize

          8KB