Analysis

  • max time kernel
    146s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 23:21

General

  • Target

    7c384fbfe71fb575b1a9ad99e758e69d324c95acb1272fd4de733bcf2d33752e.exe

  • Size

    289KB

  • MD5

    9b84232764e8293ad28d4a42c84e9c74

  • SHA1

    0ea7146defded1d87bfac365a3036477bf5fd592

  • SHA256

    7c384fbfe71fb575b1a9ad99e758e69d324c95acb1272fd4de733bcf2d33752e

  • SHA512

    e295a7786f6e09fa0a4a3ff28298c62097dc15626b686ec5a0c545c697ffef54995b9c2dcbac1fe2a8d5f3f93974386e11fdc4e6c02cbbf6d55d9c82e3f7b9f1

  • SSDEEP

    6144:c9EfghSPgdnSYLCLJcOh0+iqz71hQEK9t5/gesc05u3EMZV3EHN2tlH:clSSSYLCCE05SHa5lscSuUwVgEtV

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
  • Suspicious use of SetThreadContext 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 WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c384fbfe71fb575b1a9ad99e758e69d324c95acb1272fd4de733bcf2d33752e.exe
    "C:\Users\Admin\AppData\Local\Temp\7c384fbfe71fb575b1a9ad99e758e69d324c95acb1272fd4de733bcf2d33752e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Users\Admin\AppData\Local\Temp\7c384fbfe71fb575b1a9ad99e758e69d324c95acb1272fd4de733bcf2d33752e.exe
      "C:\Users\Admin\AppData\Local\Temp\7c384fbfe71fb575b1a9ad99e758e69d324c95acb1272fd4de733bcf2d33752e.exe"
      2⤵
      • 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: MapViewOfSection
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x0E7302EC" /TR "C:\ProgramData\CreativeAudio\skskjbpjx.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:1440
      • C:\Windows\SysWOW64\WerFault.exe
        "C:\Windows\SysWOW64\WerFault.exe"
        3⤵
          PID:884

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/884-77-0x0000000000220000-0x00000000002B7000-memory.dmp

      Filesize

      604KB

    • memory/884-76-0x0000000076E90000-0x0000000077011000-memory.dmp

      Filesize

      1.5MB

    • memory/884-75-0x0000000000220000-0x00000000002B7000-memory.dmp

      Filesize

      604KB

    • memory/884-74-0x0000000076E90000-0x0000000077011000-memory.dmp

      Filesize

      1.5MB

    • memory/884-72-0x0000000000000000-mapping.dmp

    • memory/1220-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

      Filesize

      8KB

    • memory/1440-71-0x0000000000000000-mapping.dmp

    • memory/2000-68-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2000-64-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2000-67-0x0000000000380000-0x00000000003CB000-memory.dmp

      Filesize

      300KB

    • memory/2000-62-0x000000000040120A-mapping.dmp

    • memory/2000-69-0x0000000000380000-0x00000000003CB000-memory.dmp

      Filesize

      300KB

    • memory/2000-70-0x00000000003D0000-0x00000000003DB000-memory.dmp

      Filesize

      44KB

    • memory/2000-61-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2000-60-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2000-73-0x0000000000380000-0x00000000003CB000-memory.dmp

      Filesize

      300KB

    • memory/2000-58-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2000-56-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2000-57-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2000-55-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB