Analysis

  • max time kernel
    121s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2023 10:38

General

  • Target

    rufus-3.13.exe

  • Size

    1.1MB

  • MD5

    c844fa688f3aafa80790ecd6a204bbb7

  • SHA1

    da498e3e80186ee16620f56a601e19fbdc1f8551

  • SHA256

    ec3136b053bd1559ad7ec1ea104113898093b886bf519e6117b138ef2e691cbb

  • SHA512

    442ab6f55fe3b9b648290d4f4ff6ac6bd3d3fe906936bbb26f7a9b31b52ff02aab6601cf342d3e11f705260585708aff80b45cf40633daf69d41d691d399a4df

  • SSDEEP

    24576:PakG2227tNDajxxTL6vpBedHlDW5nROQ7X1yBhpzAn:CtRwajxFL6vpwdHlcg01yB/z

Score
8/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Checks SCSI registry key(s) 3 TTPs 13 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rufus-3.13.exe
    "C:\Users\Admin\AppData\Local\Temp\rufus-3.13.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3080
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:3060
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:3724

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Discovery

      System Information Discovery

      2
      T1082

      Query Registry

      1
      T1012

      Peripheral Device Discovery

      1
      T1120

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3080-132-0x0000000000DF0000-0x0000000001124000-memory.dmp
        Filesize

        3.2MB

      • memory/3080-133-0x0000000000DF0000-0x0000000001124000-memory.dmp
        Filesize

        3.2MB