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Analysis

  • max time kernel
    21s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    31-08-2022 22:14

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
  • Loads dropped DLL 1 IoCs
  • 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\run.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Users\Admin\AppData\Local\Temp\rad5229B.exe
      "C:\Users\Admin\AppData\Local\Temp\rad5229B.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Users\Admin\AppData\Roaming\{49a90d03-6e76-42be-8c14-cd967102dad5}\makecab.exe
        "C:\Users\Admin\AppData\Roaming\{49a90d03-6e76-42be-8c14-cd967102dad5}\makecab.exe"
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        • Suspicious use of AdjustPrivilegeToken
        PID:1808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\rad5229B.exe

    Filesize

    254KB

    MD5

    e3b7d39be5e821b59636d0fe7c2944cc

    SHA1

    00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

    SHA256

    389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

    SHA512

    8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

  • C:\Users\Admin\AppData\Local\Temp\rad5229B.exe

    Filesize

    254KB

    MD5

    e3b7d39be5e821b59636d0fe7c2944cc

    SHA1

    00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

    SHA256

    389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

    SHA512

    8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

  • C:\Users\Admin\AppData\Roaming\{49a90d03-6e76-42be-8c14-cd967102dad5}\makecab.exe

    Filesize

    255KB

    MD5

    a90ef4db782445f4aaf2bb62e127353c

    SHA1

    f3e96779ce5f5ad3b5306f5aec2a574061978efb

    SHA256

    ba52c69dd078f90aa46fb61986cdc50b880d442caab3737e463f1cacd08e0778

    SHA512

    e80e9d17e78f0edba063f9b9fc0939eef06593a3899d0af74c4836b71040af78d2d78416abff85336c2a267fe2febd9f0118dd9f3439c381c77456d19582a5ad

  • \Users\Admin\AppData\Roaming\{49a90d03-6e76-42be-8c14-cd967102dad5}\makecab.exe

    Filesize

    255KB

    MD5

    a90ef4db782445f4aaf2bb62e127353c

    SHA1

    f3e96779ce5f5ad3b5306f5aec2a574061978efb

    SHA256

    ba52c69dd078f90aa46fb61986cdc50b880d442caab3737e463f1cacd08e0778

    SHA512

    e80e9d17e78f0edba063f9b9fc0939eef06593a3899d0af74c4836b71040af78d2d78416abff85336c2a267fe2febd9f0118dd9f3439c381c77456d19582a5ad

  • memory/764-55-0x0000000000000000-mapping.dmp

  • memory/764-57-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB

  • memory/764-59-0x00000000005E0000-0x00000000005FA000-memory.dmp

    Filesize

    104KB

  • memory/764-58-0x00000000003D0000-0x00000000003E6000-memory.dmp

    Filesize

    88KB

  • memory/764-64-0x00000000005E0000-0x00000000005FA000-memory.dmp

    Filesize

    104KB

  • memory/1504-54-0x000007FEFC141000-0x000007FEFC143000-memory.dmp

    Filesize

    8KB

  • memory/1808-62-0x0000000000000000-mapping.dmp

  • memory/1808-66-0x0000000000250000-0x000000000026A000-memory.dmp

    Filesize

    104KB