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Analysis

  • max time kernel
    36s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2022 12:33

General

  • Target

    run.js

  • Size

    365KB

  • MD5

    c4e9fc349d5c8b24c0ddb1533de2c16b

  • SHA1

    147e938bd06709b3c20eea4ac461093d573be037

  • SHA256

    28fd3a1d9087d7b103b7f6cfca002798b6365fe6ebcc66fa02dbb4a9e6378e71

  • SHA512

    fd0cf6f434e665aabc91f6095394a08483990c12a0b6ad3a1bd820b740af0ddbc02bc0a2592be429c7488b3cd2889afad8f758b4258009dfe51e9faac76842be

  • SSDEEP

    6144:Jnm5mwYxm+DzkzFIDIWCy49ezGywT7PDSzT3enlJ1BJ0exGqkIb1Taha6e2T6Huv:FnaIEWeqWdnlhJ+eHHu+1Qk3C+MAQ

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\run.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\radCC2A5.exe
      "C:\Users\Admin\AppData\Local\Temp\radCC2A5.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Users\Admin\AppData\Roaming\{ea71ab26-8a8e-4cfb-acc9-2e8829da5e2b}\w32tm.exe
        "C:\Users\Admin\AppData\Roaming\{ea71ab26-8a8e-4cfb-acc9-2e8829da5e2b}\w32tm.exe"
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        • Suspicious use of AdjustPrivilegeToken
        PID:4996
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 460 -p 4736 -ip 4736
    1⤵
      PID:3456
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4736 -s 360
      1⤵
      • Program crash
      PID:5108

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\radCC2A5.exe
      Filesize

      254KB

      MD5

      e3b7d39be5e821b59636d0fe7c2944cc

      SHA1

      00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

      SHA256

      389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

      SHA512

      8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

    • C:\Users\Admin\AppData\Local\Temp\radCC2A5.exe
      Filesize

      254KB

      MD5

      e3b7d39be5e821b59636d0fe7c2944cc

      SHA1

      00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

      SHA256

      389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

      SHA512

      8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

    • C:\Users\Admin\AppData\Roaming\{ea71ab26-8a8e-4cfb-acc9-2e8829da5e2b}\w32tm.exe
      Filesize

      255KB

      MD5

      1c56a429378d2791eb860f6b634a0f44

      SHA1

      4cab7cd0891e66a61ecc2ff3155abb42cf1cd334

      SHA256

      20aef664f2e652a52e19b9c83b0a06231e8cdba2617ab9ddaa02bcf053b0a195

      SHA512

      6948a0e5035534b3130d517067bb26a915a2b0aa93696fcc5aec0db6f74e3e1681830f3cb94e306701295b01c5cc15dcd608c2de8d63fa9b6f77adff6c8068c8

    • C:\Users\Admin\AppData\Roaming\{ea71ab26-8a8e-4cfb-acc9-2e8829da5e2b}\w32tm.exe
      Filesize

      255KB

      MD5

      1c56a429378d2791eb860f6b634a0f44

      SHA1

      4cab7cd0891e66a61ecc2ff3155abb42cf1cd334

      SHA256

      20aef664f2e652a52e19b9c83b0a06231e8cdba2617ab9ddaa02bcf053b0a195

      SHA512

      6948a0e5035534b3130d517067bb26a915a2b0aa93696fcc5aec0db6f74e3e1681830f3cb94e306701295b01c5cc15dcd608c2de8d63fa9b6f77adff6c8068c8

    • memory/4884-132-0x0000000000000000-mapping.dmp
    • memory/4884-137-0x00000000006C0000-0x00000000006D6000-memory.dmp
      Filesize

      88KB

    • memory/4884-139-0x0000000000A30000-0x0000000000A4A000-memory.dmp
      Filesize

      104KB

    • memory/4996-135-0x0000000000000000-mapping.dmp
    • memory/4996-140-0x0000000000600000-0x000000000061A000-memory.dmp
      Filesize

      104KB

    • memory/4996-141-0x0000000000600000-0x000000000061A000-memory.dmp
      Filesize

      104KB