Analysis

  • max time kernel
    62s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2022 23:58

General

  • Target

    fe18eee04884625962311b2a2bfeb5b1df7554b9cbe3575bb3f937d64421c21a.exe

  • Size

    288KB

  • MD5

    ef3b4513c500ac327a3198716bc12e12

  • SHA1

    ec3176119e22f29dc1ae21c5e58f4f6e1474f13b

  • SHA256

    fe18eee04884625962311b2a2bfeb5b1df7554b9cbe3575bb3f937d64421c21a

  • SHA512

    336bcb2278cc7f9a025360cc46392b3a098daaa41dfa54de6d8ffd53c72e5aa418e4e27edb5725ff161470daa6060dc8ad5bbd3814bc25d911e6ffdb08841901

  • SSDEEP

    6144:sqYG7QL5I69LMJ41QvhVix2nRk8Xcs7jyH:lcLKe4y1EVigR3nyH

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: MapViewOfSection 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe18eee04884625962311b2a2bfeb5b1df7554b9cbe3575bb3f937d64421c21a.exe
    "C:\Users\Admin\AppData\Local\Temp\fe18eee04884625962311b2a2bfeb5b1df7554b9cbe3575bb3f937d64421c21a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\fe18eee04884625962311b2a2bfeb5b1df7554b9cbe3575bb3f937d64421c21a.exe
      "C:\Users\Admin\AppData\Local\Temp\fe18eee04884625962311b2a2bfeb5b1df7554b9cbe3575bb3f937d64421c21a.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:2016
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x19CF045A" /TR "C:\ProgramData\svchost\ctdimlhze.exe" /RL HIGHEST
        3⤵
        • Creates scheduled task(s)
        PID:468
      • C:\Windows\SysWOW64\WerFault.exe
        "C:\Windows\SysWOW64\WerFault.exe"
        3⤵
          PID:1956

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/468-72-0x0000000000000000-mapping.dmp

    • memory/1956-78-0x0000000000210000-0x00000000002A6000-memory.dmp

      Filesize

      600KB

    • memory/1956-77-0x0000000077B70000-0x0000000077CF1000-memory.dmp

      Filesize

      1.5MB

    • memory/1956-76-0x0000000000210000-0x00000000002A6000-memory.dmp

      Filesize

      600KB

    • memory/1956-75-0x0000000077B70000-0x0000000077CF1000-memory.dmp

      Filesize

      1.5MB

    • memory/1956-74-0x0000000000000000-mapping.dmp

    • memory/2016-62-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2016-63-0x000000000040120A-mapping.dmp

    • memory/2016-67-0x00000000765A1000-0x00000000765A3000-memory.dmp

      Filesize

      8KB

    • memory/2016-68-0x00000000004C0000-0x000000000050B000-memory.dmp

      Filesize

      300KB

    • memory/2016-69-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2016-70-0x00000000004C0000-0x000000000050B000-memory.dmp

      Filesize

      300KB

    • memory/2016-71-0x00000000006B0000-0x00000000006BB000-memory.dmp

      Filesize

      44KB

    • memory/2016-65-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2016-73-0x00000000004C0000-0x000000000050B000-memory.dmp

      Filesize

      300KB

    • memory/2016-56-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2016-61-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2016-59-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2016-58-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2016-57-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB