General
Target

8913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e.exe

Filesize

956KB

Completed

20-05-2022 08:30

Task

behavioral1

Score
8/10
MD5

4c75ac94ce30d24541a43e843ac22fc8

SHA1

a987dcda2e42494d4afd86fab22bff39a47be87d

SHA256

8913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e

SHA256

f28e47fe7dc992a1b9e5c535b2086989f4df850986976cabe8fd1af36ff42d9d1c233f82469ce7b2b96d55d1a8d04ef015dbae7b37b3c29af01204b75e9e408e

Malware Config
Signatures 2

Filter: none

Persistence
  • UPX packed file

    Description

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

    Tags

    Reported IOCs

    resourceyara_rule
    behavioral1/memory/1664-55-0x0000000010000000-0x000000001000B000-memory.dmpupx
    behavioral1/memory/1664-56-0x0000000010000000-0x000000001000B000-memory.dmpupx
  • Writes to the Master Boot Record (MBR)
    8913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e.exe

    Description

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    TTPs

    Bootkit

    Reported IOCs

    descriptioniocprocess
    File opened for modification\??\PhysicalDrive08913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e.exe
Processes 1
  • C:\Users\Admin\AppData\Local\Temp\8913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e.exe
    "C:\Users\Admin\AppData\Local\Temp\8913e73fa3935f88da00be03ed1d5a82e125b5553d2de8f85c8ead66d3b0632e.exe"
    Writes to the Master Boot Record (MBR)
    PID:1664
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
          Discovery
            Execution
              Exfiltration
                Impact
                  Initial Access
                    Lateral Movement
                      Persistence
                      Privilege Escalation
                        Replay Monitor
                        00:00 00:00
                        Downloads
                        • memory/1664-54-0x0000000075941000-0x0000000075943000-memory.dmp

                        • memory/1664-55-0x0000000010000000-0x000000001000B000-memory.dmp

                        • memory/1664-56-0x0000000010000000-0x000000001000B000-memory.dmp