Analysis

  • max time kernel
    43s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:38

General

  • Target

    rufus-3.13.exe

  • Size

    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
  • Modifies system certificate store ⋅ 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 10 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"
    Checks whether UAC is enabled
    Drops file in System32 directory
    Modifies system certificate store
    Suspicious use of AdjustPrivilegeToken
    Suspicious use of FindShellTrayWindow
    PID:1404

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Execution

          Exfiltration

            Impact

              Initial Access

                Lateral Movement

                  Persistence

                    Privilege Escalation

                      Replay Monitor

                      00:00 00:00

                      Downloads

                      • memory/1404-54-0x0000000075881000-0x0000000075883000-memory.dmp
                      • memory/1404-55-0x0000000000EE0000-0x0000000001214000-memory.dmp
                      • memory/1404-56-0x00000000749E1000-0x00000000749E3000-memory.dmp
                      • memory/1404-57-0x0000000000EE0000-0x0000000001214000-memory.dmp