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Analysis

  • max time kernel
    18s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2022 02:55

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:2032
    • C:\Users\Admin\AppData\Local\Temp\rad2637A.exe
      "C:\Users\Admin\AppData\Local\Temp\rad2637A.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Users\Admin\AppData\Roaming\{ec91037f-ddd8-4466-bdf4-225aec4335f0}\SndVol.exe
        "C:\Users\Admin\AppData\Roaming\{ec91037f-ddd8-4466-bdf4-225aec4335f0}\SndVol.exe"
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        • Suspicious use of AdjustPrivilegeToken
        PID:1888

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\rad2637A.exe

    Filesize

    254KB

    MD5

    e3b7d39be5e821b59636d0fe7c2944cc

    SHA1

    00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

    SHA256

    389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

    SHA512

    8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

  • C:\Users\Admin\AppData\Local\Temp\rad2637A.exe

    Filesize

    254KB

    MD5

    e3b7d39be5e821b59636d0fe7c2944cc

    SHA1

    00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

    SHA256

    389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

    SHA512

    8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

  • C:\Users\Admin\AppData\Roaming\{ec91037f-ddd8-4466-bdf4-225aec4335f0}\SndVol.exe

    Filesize

    255KB

    MD5

    19a74c53c1afd246af920fb311a80e0b

    SHA1

    c6a690343420d8ffc6fe10f0aeacdcf7452ed5f4

    SHA256

    f9bec57e683dc7f60c9b4ea605f5341cc93b6ce0915fd0442acb3e3826ffcd08

    SHA512

    65df60dcd15b2dcdf5319877f4425e7c106413c95b1e2cb05509d0430213146d99c51e7f6286a55d28981f0b20ab6a02685b28e1c0546ae5027436f70c3f1892

  • \Users\Admin\AppData\Roaming\{ec91037f-ddd8-4466-bdf4-225aec4335f0}\SndVol.exe

    Filesize

    255KB

    MD5

    19a74c53c1afd246af920fb311a80e0b

    SHA1

    c6a690343420d8ffc6fe10f0aeacdcf7452ed5f4

    SHA256

    f9bec57e683dc7f60c9b4ea605f5341cc93b6ce0915fd0442acb3e3826ffcd08

    SHA512

    65df60dcd15b2dcdf5319877f4425e7c106413c95b1e2cb05509d0430213146d99c51e7f6286a55d28981f0b20ab6a02685b28e1c0546ae5027436f70c3f1892

  • memory/1776-55-0x0000000000000000-mapping.dmp

  • memory/1776-57-0x0000000075451000-0x0000000075453000-memory.dmp

    Filesize

    8KB

  • memory/1776-62-0x0000000000240000-0x0000000000256000-memory.dmp

    Filesize

    88KB

  • memory/1776-64-0x00000000002E0000-0x00000000002FA000-memory.dmp

    Filesize

    104KB

  • memory/1888-60-0x0000000000000000-mapping.dmp

  • memory/1888-65-0x00000000002E0000-0x00000000002FA000-memory.dmp

    Filesize

    104KB

  • memory/2032-54-0x000007FEFBAB1000-0x000007FEFBAB3000-memory.dmp

    Filesize

    8KB