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Analysis

  • max time kernel
    24s
  • max time network
    33s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2022 05:05

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.

  • 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:4972
    • C:\Users\Admin\AppData\Local\Temp\radC955E.exe
      "C:\Users\Admin\AppData\Local\Temp\radC955E.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Users\Admin\AppData\Roaming\{b3fffaba-f71b-431e-80df-27ad0ce14b6b}\rasphone.exe
        "C:\Users\Admin\AppData\Roaming\{b3fffaba-f71b-431e-80df-27ad0ce14b6b}\rasphone.exe"
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        • Suspicious use of AdjustPrivilegeToken
        PID:1464

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\radC955E.exe

    Filesize

    254KB

    MD5

    e3b7d39be5e821b59636d0fe7c2944cc

    SHA1

    00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

    SHA256

    389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

    SHA512

    8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

  • C:\Users\Admin\AppData\Local\Temp\radC955E.exe

    Filesize

    254KB

    MD5

    e3b7d39be5e821b59636d0fe7c2944cc

    SHA1

    00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

    SHA256

    389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

    SHA512

    8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

  • C:\Users\Admin\AppData\Roaming\{b3fffaba-f71b-431e-80df-27ad0ce14b6b}\rasphone.exe

    Filesize

    255KB

    MD5

    39508906861e156b99290a2d40b77f9c

    SHA1

    0c01c1aaf08b3d057ea7f94c1165af76da92131b

    SHA256

    2dccb0fc018ed2576fcf3005011332d17e9a7deb50d5b01d561a058a533df544

    SHA512

    f1a4d5cbd14e9c42a01dca4ec1430562601ede5d536400aae5091fb60164f59ab2bd171c5572195c36641686f6324584b5844eeb87f0aa92b1c37775e0baa1bb

  • C:\Users\Admin\AppData\Roaming\{b3fffaba-f71b-431e-80df-27ad0ce14b6b}\rasphone.exe

    Filesize

    255KB

    MD5

    39508906861e156b99290a2d40b77f9c

    SHA1

    0c01c1aaf08b3d057ea7f94c1165af76da92131b

    SHA256

    2dccb0fc018ed2576fcf3005011332d17e9a7deb50d5b01d561a058a533df544

    SHA512

    f1a4d5cbd14e9c42a01dca4ec1430562601ede5d536400aae5091fb60164f59ab2bd171c5572195c36641686f6324584b5844eeb87f0aa92b1c37775e0baa1bb

  • memory/1464-135-0x0000000000000000-mapping.dmp

  • memory/1464-140-0x00000000006A0000-0x00000000006BA000-memory.dmp

    Filesize

    104KB

  • memory/2184-132-0x0000000000000000-mapping.dmp

  • memory/2184-139-0x0000000000A20000-0x0000000000A3A000-memory.dmp

    Filesize

    104KB

  • memory/2184-137-0x0000000000540000-0x0000000000556000-memory.dmp

    Filesize

    88KB