Analysis

  • max time kernel
    83s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 14:43

General

  • Target

    84c2444714acfc361fd81546b529d847a69a4fcac735ea7c663778966677d79a.exe

  • Size

    228KB

  • MD5

    13ddc13257824f83a3527b60fd3ebed0

  • SHA1

    fe682aaf36beb18f6fee2ab43726db0108b6d805

  • SHA256

    84c2444714acfc361fd81546b529d847a69a4fcac735ea7c663778966677d79a

  • SHA512

    48ff6016b74fc622326cb094da9fe3f9cebd2ab574edecaca8123835a0ff295c13bcc4651c2801b4b9a20a19f708cab78d7de3e8ac33e22cb63b2fa4f7812886

  • SSDEEP

    6144:8Vv+hZshqM4GMx2DNKqeg1nHgC4l2DjbulRwS/HVLR:8Vv+hZshqMy08qD1Hc4j0uwR

Score
8/10

Malware Config

Signatures

  • Sets file execution options in registry 2 TTPs 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 2 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84c2444714acfc361fd81546b529d847a69a4fcac735ea7c663778966677d79a.exe
    "C:\Users\Admin\AppData\Local\Temp\84c2444714acfc361fd81546b529d847a69a4fcac735ea7c663778966677d79a.exe"
    1⤵
    • Sets file execution options in registry
    • Checks for any installed AV software in registry
    • Drops desktop.ini file(s)
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x0E7302EC" /TR "C:\ProgramData\CreativeAudio\ftdimlhze.exe" /RL HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:572
    • C:\Windows\SysWOW64\WerFault.exe
      "C:\Windows\SysWOW64\WerFault.exe"
      2⤵
        PID:800

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/800-64-0x0000000077D50000-0x0000000077ED1000-memory.dmp

            Filesize

            1.5MB

          • memory/800-65-0x00000000001D0000-0x0000000000257000-memory.dmp

            Filesize

            540KB

          • memory/800-66-0x0000000077D50000-0x0000000077ED1000-memory.dmp

            Filesize

            1.5MB

          • memory/800-67-0x00000000001D0000-0x0000000000257000-memory.dmp

            Filesize

            540KB

          • memory/1112-58-0x00000000003B0000-0x00000000003FB000-memory.dmp

            Filesize

            300KB

          • memory/1112-57-0x0000000000400000-0x000000000043E000-memory.dmp

            Filesize

            248KB

          • memory/1112-59-0x0000000000590000-0x000000000059B000-memory.dmp

            Filesize

            44KB

          • memory/1112-56-0x00000000003B0000-0x00000000003FB000-memory.dmp

            Filesize

            300KB

          • memory/1112-62-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/1112-63-0x00000000003B0000-0x00000000003FB000-memory.dmp

            Filesize

            300KB

          • memory/1112-54-0x0000000076961000-0x0000000076963000-memory.dmp

            Filesize

            8KB