Analysis

  • max time kernel
    53s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22/02/2023, 02:39

General

  • Target

    b63e94928da25e18caa1506305b9ca3dedc267e747dfa4710860e757d2cc8192.exe

  • Size

    75KB

  • MD5

    0706764b3963df092079d3bdef787a1f

  • SHA1

    73c2460d59f3d0637523ca6d35425aae14358ba1

  • SHA256

    b63e94928da25e18caa1506305b9ca3dedc267e747dfa4710860e757d2cc8192

  • SHA512

    3af7ff3b2aa689eb4c410562b5ead74ff77417da941521928391c6fac3dcc6a75f6d866f52b12f67a41564cfa81afcda51857c0f208f9e90e8629e0f0b5d5cb4

  • SSDEEP

    1536:9aX51pVH9hsgNGLs6BLM1frxz/HTfcKKBaJGp:OfJGLs6BwNxnfTKsG

Score
10/10

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\README_TO_DECRYPT.html

Family

quantum

Ransom Note
<html> <head> <title>Quantum</title> </head> <body> <h1>Your ID:</h1> <b> <pre> 9064d8b148a0f19a9e3598a6e0b0aeb1602bd79273359845164eefdf45b6ef32 </pre> </b> <hr/> This message contains an information how to fix the troubles you've got with your network.<br><br> Files on the workstations in your network were encrypted and any your attempt to change, decrypt or rename them could destroy the content.<br> The only way to get files back is a decryption with Key, provided by the Quantum Locker.<br><br> During the period your network was under our control, we downloaded a huge volume of information.<br> Now it is stored on our servers with high-secure access. This information contains a lot of sensitive, private and personal data.<br> Publishing of such data will cause serious consequences and even business disruption.<br><br> It's not a threat, on the contrary - it's a manual how to get a way out.<br> Quantum team doesn't aim to damage your company, our goals are only financial.<br><br> After a payment you'll get network decryption, full destruction of downloaded data, information about your network vulnerabilities and penetration points.<br> If you decide not to negotiate, in 48 hours the fact of the attack and all your information will be posted on our site and will be promoted among dozens of cyber forums, news agencies, websites etc.<br><br> To contact our support and start the negotiations, please visit our support chat.<br> It is simple, secure and you can set a password to avoid intervention of unauthorised persons.<br> <a href="http://tijykgureh7kqq5cczzeutaoxvmf6yinpar72o3bxome7b44vwqxadyd.onion/?cid=9064d8b148a0f19a9e3598a6e0b0aeb1602bd79273359845164eefdf45b6ef32">http://tijykgureh7kqq5cczzeutaoxvmf6yinpar72o3bxome7b44vwqxadyd.onion/?cid=9064d8b148a0f19a9e3598a6e0b0aeb1602bd79273359845164eefdf45b6ef32</a> <ul> <li>Password field should be blank for the first login. <li>Note that this server is available via Tor browser only. </ul> P.S. How to get TOR browser - see at https://www.torproject.org </body> </html>

Extracted

Path

C:\Users\Admin\Desktop\README_TO_DECRYPT.html

Family

quantum

Ransom Note
Your ID: This message contains an information how to fix the troubles you've got with your network. Files on the workstations in your network were encrypted and any your attempt to change, decrypt or rename them could destroy the content. The only way to get files back is a decryption with Key, provided by the Quantum Locker. During the period your network was under our control, we downloaded a huge volume of information. Now it is stored on our servers with high-secure access. This information contains a lot of sensitive, private and personal data. Publishing of such data will cause serious consequences and even business disruption. It's not a threat, on the contrary - it's a manual how to get a way out. Quantum team doesn't aim to damage your company, our goals are only financial. After a payment you'll get network decryption, full destruction of downloaded data, information about your network vulnerabilities and penetration points. If you decide not to negotiate, in 48 hours the fact of the attack and all your information will be posted on our site and will be promoted among dozens of cyber forums, news agencies, websites etc. To contact our support and start the negotiations, please visit our support chat. It is simple, secure and you can set a password to avoid intervention of unauthorised persons. http://tijykgureh7kqq5cczzeutaoxvmf6yinpar72o3bxome7b44vwqxadyd.onion/?cid=9064d8b148a0f19a9e3598a6e0b0aeb1602bd79273359845164eefdf45b6ef32 Password field should be blank for the first login. Note that this server is available via Tor browser only. P.S. How to get TOR browser - see at https://www.torproject.org
URLs

http://tijykgureh7kqq5cczzeutaoxvmf6yinpar72o3bxome7b44vwqxadyd.onion/?cid=9064d8b148a0f19a9e3598a6e0b0aeb1602bd79273359845164eefdf45b6ef32

Signatures

  • Quantum Ransomware

    A rebrand of the MountLocker ransomware first seen in August 2021.

  • Modifies extensions of user files 6 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Deletes itself 1 IoCs
  • Drops desktop.ini file(s) 26 IoCs
  • Modifies Internet Explorer settings 1 TTPs 27 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b63e94928da25e18caa1506305b9ca3dedc267e747dfa4710860e757d2cc8192.exe
    "C:\Users\Admin\AppData\Local\Temp\b63e94928da25e18caa1506305b9ca3dedc267e747dfa4710860e757d2cc8192.exe"
    1⤵
    • Modifies extensions of user files
    • Drops desktop.ini file(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Windows\system32\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\\006CCABF.bat" "C:\Users\Admin\AppData\Local\Temp\b63e94928da25e18caa1506305b9ca3dedc267e747dfa4710860e757d2cc8192.exe""
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\system32\attrib.exe
        attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\b63e94928da25e18caa1506305b9ca3dedc267e747dfa4710860e757d2cc8192.exe"
        3⤵
        • Views/modifies file attributes
        PID:1352
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\README_TO_DECRYPT.html
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1232 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    b0158fc8acae42ae6889aa1d44b3ab7c

    SHA1

    7cbc1e0c7016c90c748590a8b9e18918b211d350

    SHA256

    f9359b66a52ae12fa0dcb7cd5c2ba744f8fedeba9908af87f44392d928894f79

    SHA512

    8d1c06d71e0a747756dcc3ed7a19f7690872756ad0442438caed0819ca0541a4e624929a4d24770019b65e0dcecc14f3a9b71dbdafe1a7acb39ed3ed47a6a583

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    79d22a0f584bbd0517cd6f9c11b820b5

    SHA1

    9a9498763ed52f5dbcbf7c3c314d9750cacd0fc7

    SHA256

    f5535c00ce345d78bbce6dc83f5004f13cd032e9790ee1f7993fb3bc536463c0

    SHA512

    d5f861788908e1cd88b16d20b7cb5b647576d486b95e8e8ef457afa2c0e881976ed22a020057efd8442a1fadf76cb19407b6f4bed20a93cc227a11568fff76e7

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    302ec4cd83af55f0abf2f00ce1f6824c

    SHA1

    85a4083a07aa286732450b56b737eb80952c8e48

    SHA256

    73479ae88f0f633b4408dd18bcf8e319723285f02fdbbc33d3c7df0b61ee6354

    SHA512

    21e9a89c15d09e1b8426e252db49c7230b6c42315cb961a6cd7f624ce0cddb6de18796e27ad790eb9a682077ce5e589446fee6dbb644a4f6e91663a508636a1e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    87d634045112e19117ccb0e7d2f90a6e

    SHA1

    61f3634e7114b12c6371b6f080d5f90e7ff30c58

    SHA256

    7138e296119737357cd558396da3f25bbb8c64a27eb99932226419d8866496cd

    SHA512

    c02591e02e624c677063535b2dc25e76d8bc819b990dc1addb77afd17a23bf49cb5be19c9b84e72a230dec3c054e1db81aae80012777543dcd5bf510ad7cae08

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1f34401c8f51bf09266587dc79dc81d4

    SHA1

    c6f6df8a19b281d2c6feb61442539b268e8ebb3f

    SHA256

    d7c17c6cbba9feaf3c15f00be4c17aa8103e67e9361435b475eb0294d05f9848

    SHA512

    02d1dcb4dbd6fc7d81b972152ee6dc05bffd1445fd4b0ae71d35f7d7d54e6d6fd318b6795058961c82a2ae2808bb9a62338d210561ab6c9679e8c04c16492a8c

  • C:\Users\Admin\AppData\Local\Temp\006CCABF.bat

    Filesize

    65B

    MD5

    348cae913e496198548854f5ff2f6d1e

    SHA1

    a07655b9020205bd47084afd62a8bb22b48c0cdc

    SHA256

    c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

    SHA512

    799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

  • C:\Users\Admin\AppData\Local\Temp\006CCABF.bat

    Filesize

    65B

    MD5

    348cae913e496198548854f5ff2f6d1e

    SHA1

    a07655b9020205bd47084afd62a8bb22b48c0cdc

    SHA256

    c80128f51871eec3ae2057989a025ce244277c1c180498a5aaef45d5214b8506

    SHA512

    799796736d41d3fcb5a7c859571bb025ca2d062c4b86e078302be68c1a932ed4f78e003640df5405274364b5a9a9c0ba5e37177997683ee7ab54e5267590b611

  • C:\Users\Admin\AppData\Local\Temp\Cab5D30.tmp

    Filesize

    61KB

    MD5

    fc4666cbca561e864e7fdf883a9e6661

    SHA1

    2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

    SHA256

    10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

    SHA512

    c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

  • C:\Users\Admin\AppData\Local\Temp\Tar5E6C.tmp

    Filesize

    161KB

    MD5

    73b4b714b42fc9a6aaefd0ae59adb009

    SHA1

    efdaffd5b0ad21913d22001d91bf6c19ecb4ac41

    SHA256

    c0cf8cc04c34b5b80a2d86ad0eafb2dd71436f070c86b0321fba0201879625fd

    SHA512

    73af3c51b15f89237552b1718bef21fd80788fa416bab2cb2e7fb3a60d56249a716eda0d2dd68ab643752272640e7eaaaf57ce64bcb38373ddc3d035fb8d57cd

  • C:\Users\Admin\Desktop\README_TO_DECRYPT.html

    Filesize

    2KB

    MD5

    557a3275e4a8d8782f3e3579adecf628

    SHA1

    49bc27e4fa9e96ed7a19ebe97f57984c8fcd574a

    SHA256

    9999a3b8ac4c1c59bfcd79f92c64dad69e7a7ba3e4ddf8c8aedf0f81b819c935

    SHA512

    97d6e689d4741220d5dde3b14b498187a52cfc4a5197a822f796e532c9916e022cfed6d5933c23ca0097387518b88bd878326b34f8a7d885586a8e2fb5063fb7

  • C:\Users\Admin\Desktop\README_TO_DECRYPT.html

    Filesize

    2KB

    MD5

    557a3275e4a8d8782f3e3579adecf628

    SHA1

    49bc27e4fa9e96ed7a19ebe97f57984c8fcd574a

    SHA256

    9999a3b8ac4c1c59bfcd79f92c64dad69e7a7ba3e4ddf8c8aedf0f81b819c935

    SHA512

    97d6e689d4741220d5dde3b14b498187a52cfc4a5197a822f796e532c9916e022cfed6d5933c23ca0097387518b88bd878326b34f8a7d885586a8e2fb5063fb7

  • memory/568-356-0x0000000002930000-0x0000000002932000-memory.dmp

    Filesize

    8KB

  • memory/1232-355-0x0000000002750000-0x0000000002760000-memory.dmp

    Filesize

    64KB