Analysis

  • max time kernel
    136s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16-09-2021 08:39

General

  • Target

    Metlife-Disability-Waiver-Of-Premium-Benefit-Rider.msi

Malware Config

Extracted

Family

jupyter

Version

SP-11

C2

http://37.120.237.251

Signatures

  • Jupyter Backdoor/Client Payload 1 IoCs
  • Jupyter, SolarMarker

    Jupyter is a backdoor and infostealer first seen in mid 2020.

  • Blocklisted process makes network request 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 12 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Metlife-Disability-Waiver-Of-Premium-Benefit-Rider.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:568
    • C:\Users\Admin\AppData\Local\Temp\MSI7DB2.tmp
      "C:\Users\Admin\AppData\Local\Temp\MSI7DB2.tmp"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3168
      • C:\Windows\Temp\{6727432A-0540-4874-A12F-7D896F79E505}\.cr\MSI7DB2.tmp
        "C:\Windows\Temp\{6727432A-0540-4874-A12F-7D896F79E505}\.cr\MSI7DB2.tmp" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\MSI7DB2.tmp" -burn.filehandle.attached=524 -burn.filehandle.self=532
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:372
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6D51198FFA889AEE833D8ABABA39C830 C
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2972
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\pss7E12.ps1" -propFile "C:\Users\Admin\AppData\Local\Temp\msi7DE0.txt" -scriptFile "C:\Users\Admin\AppData\Local\Temp\scr7DE1.ps1" -scriptArgsFile "C:\Users\Admin\AppData\Local\Temp\scr7DE2.txt" -propSep " :<->: " -testPrefix "_testValue."
        3⤵
        • Blocklisted process makes network request
        • Drops startup file
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        PID:64

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSI78B0.tmp

    MD5

    07ce413b1af6342187514871dc112c74

    SHA1

    8008f8bfeae99918b6323a3d1270dea63b3a8394

    SHA256

    0ba7e90fe2a0005e1e0dad53e2678916650c3b95ff9b666b802d128276c8ec46

    SHA512

    27df52bfcbc2d0ce3756a2526e632b5610d7047259b31aeeff12652de3e046bcd239e39c222a323654f475f1f913679b4fdd858303e0e105f7a300b6f6ed0fe5

  • C:\Users\Admin\AppData\Local\Temp\MSI7DB2.tmp

    MD5

    044a5d8e2f1356de889aedb11fdcc679

    SHA1

    4e8416eb12d209509d49998ebe714612709eb4d6

    SHA256

    e4492ccb97078cc32ee4437404ce04f4404884800a81fb34243d0a64936f82d7

    SHA512

    3cb6beaf46ec6ca3aa5a645b51b1df7a26826d8e65eb8f6cd1be63488f7a372c1e7e266f2950489a3ae8b3c6ca60d72f25504e4942e096c5c2045177557c79b9

  • C:\Users\Admin\AppData\Local\Temp\MSI7DB2.tmp

    MD5

    044a5d8e2f1356de889aedb11fdcc679

    SHA1

    4e8416eb12d209509d49998ebe714612709eb4d6

    SHA256

    e4492ccb97078cc32ee4437404ce04f4404884800a81fb34243d0a64936f82d7

    SHA512

    3cb6beaf46ec6ca3aa5a645b51b1df7a26826d8e65eb8f6cd1be63488f7a372c1e7e266f2950489a3ae8b3c6ca60d72f25504e4942e096c5c2045177557c79b9

  • C:\Users\Admin\AppData\Local\Temp\MSI7DC3.tmp

    MD5

    c26c68e4a79fd2629714b17514411c40

    SHA1

    00138d8edea0918c4476da303415be399cf704c6

    SHA256

    55434961c0b4bed88ae6bfe6e0e61a3a3dcc392858f0e53c6c14c272200203ed

    SHA512

    6fc8028e6e52b6c9e74ac3ea6d19ed750047d46b7e4021d46e581b58367ffc11fb13b696dfa30a15305e94098a7fd12051ee37d32df91ef2ae1e2d9c642b02ea

  • C:\Users\Admin\AppData\Local\Temp\pss7E12.ps1

    MD5

    0c95bc11cfca37f84a19de0529377e13

    SHA1

    41f409dbbab04ef35c4f6489af6f85fceb9c501a

    SHA256

    88748aae11029228d84aef0855f4bc084dfd70450db1f7029746d8bc85182f93

    SHA512

    8a52f3c40440e3129a367609ee4b6e9e98aa62edec48592be03bad1aadcd389e2e58e095f4ea3d6f9cb458aa7101fcb5afdff66658885bfa0634c74c086db568

  • C:\Users\Admin\AppData\Local\Temp\scr7DE1.ps1

    MD5

    6a251db4fad4a2248b0cc2e74461b07c

    SHA1

    190aab8b9badd7a4fc75a1b925f0e1135af44230

    SHA256

    e34af1b6edf33b155ca9854d084577c30e1bc9d96eee10014277a0e55a47beef

    SHA512

    b37ba8374dc9acf92520142e0c71f48c1fc94199ef85749d08d0b9e0367f78719dc1ce3786b05a2068bc79cf76df3283a8e38e1f06f6185516adfd6e43796b13

  • C:\Windows\Temp\{6727432A-0540-4874-A12F-7D896F79E505}\.cr\MSI7DB2.tmp

    MD5

    044a5d8e2f1356de889aedb11fdcc679

    SHA1

    4e8416eb12d209509d49998ebe714612709eb4d6

    SHA256

    e4492ccb97078cc32ee4437404ce04f4404884800a81fb34243d0a64936f82d7

    SHA512

    3cb6beaf46ec6ca3aa5a645b51b1df7a26826d8e65eb8f6cd1be63488f7a372c1e7e266f2950489a3ae8b3c6ca60d72f25504e4942e096c5c2045177557c79b9

  • C:\Windows\Temp\{6727432A-0540-4874-A12F-7D896F79E505}\.cr\MSI7DB2.tmp

    MD5

    044a5d8e2f1356de889aedb11fdcc679

    SHA1

    4e8416eb12d209509d49998ebe714612709eb4d6

    SHA256

    e4492ccb97078cc32ee4437404ce04f4404884800a81fb34243d0a64936f82d7

    SHA512

    3cb6beaf46ec6ca3aa5a645b51b1df7a26826d8e65eb8f6cd1be63488f7a372c1e7e266f2950489a3ae8b3c6ca60d72f25504e4942e096c5c2045177557c79b9

  • \Users\Admin\AppData\Local\Temp\MSI78B0.tmp

    MD5

    07ce413b1af6342187514871dc112c74

    SHA1

    8008f8bfeae99918b6323a3d1270dea63b3a8394

    SHA256

    0ba7e90fe2a0005e1e0dad53e2678916650c3b95ff9b666b802d128276c8ec46

    SHA512

    27df52bfcbc2d0ce3756a2526e632b5610d7047259b31aeeff12652de3e046bcd239e39c222a323654f475f1f913679b4fdd858303e0e105f7a300b6f6ed0fe5

  • \Users\Admin\AppData\Local\Temp\MSI7DC3.tmp

    MD5

    c26c68e4a79fd2629714b17514411c40

    SHA1

    00138d8edea0918c4476da303415be399cf704c6

    SHA256

    55434961c0b4bed88ae6bfe6e0e61a3a3dcc392858f0e53c6c14c272200203ed

    SHA512

    6fc8028e6e52b6c9e74ac3ea6d19ed750047d46b7e4021d46e581b58367ffc11fb13b696dfa30a15305e94098a7fd12051ee37d32df91ef2ae1e2d9c642b02ea

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\BootstrapperCore.dll

    MD5

    c4f7146ddc56763ccdb1cb3c09478708

    SHA1

    bca088ab33cfb69adeae11a272e9c8a83f39a8c9

    SHA256

    886cb2a994461f091752fc7b21e3143c212efd8841c757909e74ac32761880da

    SHA512

    df2ca029e95f80fc5870e541db8b1d5a03266307bb5f7680ad630868a9a3c584b3a702fbec09c26fef7287c99f5d9d1f59cd59b74dcf740c9a8e7508e07d18b5

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\BootstrapperCore.dll

    MD5

    c4f7146ddc56763ccdb1cb3c09478708

    SHA1

    bca088ab33cfb69adeae11a272e9c8a83f39a8c9

    SHA256

    886cb2a994461f091752fc7b21e3143c212efd8841c757909e74ac32761880da

    SHA512

    df2ca029e95f80fc5870e541db8b1d5a03266307bb5f7680ad630868a9a3c584b3a702fbec09c26fef7287c99f5d9d1f59cd59b74dcf740c9a8e7508e07d18b5

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\GalaSoft.MvvmLight.WPF4.dll

    MD5

    1e40431b501d55fe8ba59cabb3ce5c17

    SHA1

    b8aef0f6829345d844960c3eaf96c41f76142f6c

    SHA256

    92ef1bdf8c8140e34e5ae1eb8d9b7afba9921e5ada6317c6cdd0da2712f7e000

    SHA512

    2ab5d887e717add46959a7193cbf1dbf73f2792130025e5712ae76058ce5923be8afdf3ed8d11ea6859b13126f88bb9e1099741c799ca90e3f7713955dd9638d

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\GalaSoft.MvvmLight.WPF4.dll

    MD5

    1e40431b501d55fe8ba59cabb3ce5c17

    SHA1

    b8aef0f6829345d844960c3eaf96c41f76142f6c

    SHA256

    92ef1bdf8c8140e34e5ae1eb8d9b7afba9921e5ada6317c6cdd0da2712f7e000

    SHA512

    2ab5d887e717add46959a7193cbf1dbf73f2792130025e5712ae76058ce5923be8afdf3ed8d11ea6859b13126f88bb9e1099741c799ca90e3f7713955dd9638d

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\NitroBA.dll

    MD5

    6726d4b46346ef40dd3ea4376ae7d259

    SHA1

    ffdaa10e1e3d1c7d7411f799a0889ce66014bc29

    SHA256

    3e96b189fa7a160396742cdc93564dfce3ad3993a3e21118cf9114c8cb45e963

    SHA512

    cd2a68f1ce4bc161b26466fa8f472803d7a10b339dff6c599e64863236ef59d9a0ed1b2f4168f8557b35d81d92edccdfd9d313096a88415838b6351af1ae249a

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\NitroBA.dll

    MD5

    6726d4b46346ef40dd3ea4376ae7d259

    SHA1

    ffdaa10e1e3d1c7d7411f799a0889ce66014bc29

    SHA256

    3e96b189fa7a160396742cdc93564dfce3ad3993a3e21118cf9114c8cb45e963

    SHA512

    cd2a68f1ce4bc161b26466fa8f472803d7a10b339dff6c599e64863236ef59d9a0ed1b2f4168f8557b35d81d92edccdfd9d313096a88415838b6351af1ae249a

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\PageTransitions.dll

    MD5

    ad69d408b05b98180b25d23b0a790f01

    SHA1

    5fdbdae2979685db500d2b031e2a430ce16e592e

    SHA256

    14090b63240c63bfe118a24b6f0112095f331ac46819f6f4ab62d8e9bbe4c646

    SHA512

    12323f7190fd785277965996cffe141a5b2d5b11679961db6aa6744b8157df7f9bd7b5b935d3ca2a7e0be7ca5f0f60fd8885b94ae7cd70aea1572e90a2599eac

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\PageTransitions.dll

    MD5

    ad69d408b05b98180b25d23b0a790f01

    SHA1

    5fdbdae2979685db500d2b031e2a430ce16e592e

    SHA256

    14090b63240c63bfe118a24b6f0112095f331ac46819f6f4ab62d8e9bbe4c646

    SHA512

    12323f7190fd785277965996cffe141a5b2d5b11679961db6aa6744b8157df7f9bd7b5b935d3ca2a7e0be7ca5f0f60fd8885b94ae7cd70aea1572e90a2599eac

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\mbahost.dll

    MD5

    d7c697ceb6f40ce91dabfcbe8df08e22

    SHA1

    49cd0213a1655dcdb493668083ab2d7f55135381

    SHA256

    b925d9d3e1e2c49bf05a1b0713e2750ee6e0c43c7adc9d3c3a1b9fb8c557c3df

    SHA512

    22ca87979ca68f10b5fda64c27913d0f2a12c359b04e4a6caa3645303fbd47cd598c805fd9a43c8f3e0934e9d2db85f7a4e1eff26cb33d233efc05ee2613cfc1

  • \Windows\Temp\{A9D63059-9123-4339-BA42-A5F36D61FA28}\.ba\metrics.dll

    MD5

    aed8280e90f672f631d2aedebd6452bf

    SHA1

    390b96ce6b4b1a47c12d8932c5e8da6e51fdd38a

    SHA256

    a82332e0a9c9cee34f9a46d5e984901fa57a011f54e7b37b9716acf834746ced

    SHA512

    23a223fc4da00038ff6b584f0a2a4186f49eaf4d8cb28dfdfa795048a4a977aa39848cb83bbfd8f0555412fd04c802b122267266e33a5ddc49d3e0ff1e2eca4f

  • memory/64-160-0x0000000008530000-0x0000000008531000-memory.dmp

    Filesize

    4KB

  • memory/64-174-0x00000000087C0000-0x00000000087C1000-memory.dmp

    Filesize

    4KB

  • memory/64-138-0x0000000004D22000-0x0000000004D23000-memory.dmp

    Filesize

    4KB

  • memory/64-147-0x0000000007A90000-0x0000000007A91000-memory.dmp

    Filesize

    4KB

  • memory/64-3214-0x0000000009790000-0x000000000979A000-memory.dmp

    Filesize

    40KB

  • memory/64-135-0x0000000007380000-0x0000000007381000-memory.dmp

    Filesize

    4KB

  • memory/64-134-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

    Filesize

    4KB

  • memory/64-201-0x0000000004D23000-0x0000000004D24000-memory.dmp

    Filesize

    4KB

  • memory/64-152-0x0000000007B30000-0x0000000007B31000-memory.dmp

    Filesize

    4KB

  • memory/64-182-0x000000000A620000-0x000000000A621000-memory.dmp

    Filesize

    4KB

  • memory/64-176-0x0000000009AA0000-0x0000000009AA1000-memory.dmp

    Filesize

    4KB

  • memory/64-156-0x0000000007E30000-0x0000000007E31000-memory.dmp

    Filesize

    4KB

  • memory/64-175-0x0000000009250000-0x0000000009251000-memory.dmp

    Filesize

    4KB

  • memory/64-157-0x0000000007CC0000-0x0000000007CC1000-memory.dmp

    Filesize

    4KB

  • memory/64-158-0x0000000008460000-0x0000000008461000-memory.dmp

    Filesize

    4KB

  • memory/64-137-0x0000000004D20000-0x0000000004D21000-memory.dmp

    Filesize

    4KB

  • memory/64-173-0x0000000009500000-0x0000000009501000-memory.dmp

    Filesize

    4KB

  • memory/64-151-0x0000000007D10000-0x0000000007D11000-memory.dmp

    Filesize

    4KB

  • memory/64-128-0x0000000000000000-mapping.dmp

  • memory/372-150-0x0000000006940000-0x0000000006941000-memory.dmp

    Filesize

    4KB

  • memory/372-154-0x0000000006961000-0x0000000006962000-memory.dmp

    Filesize

    4KB

  • memory/372-166-0x0000000006967000-0x0000000006968000-memory.dmp

    Filesize

    4KB

  • memory/372-155-0x0000000006963000-0x0000000006964000-memory.dmp

    Filesize

    4KB

  • memory/372-170-0x00000000074A0000-0x00000000074A1000-memory.dmp

    Filesize

    4KB

  • memory/372-165-0x0000000006964000-0x0000000006965000-memory.dmp

    Filesize

    4KB

  • memory/372-129-0x0000000000000000-mapping.dmp

  • memory/372-153-0x0000000006960000-0x0000000006961000-memory.dmp

    Filesize

    4KB

  • memory/372-145-0x0000000006CE0000-0x0000000006CE1000-memory.dmp

    Filesize

    4KB

  • memory/372-177-0x0000000009F10000-0x0000000009F11000-memory.dmp

    Filesize

    4KB

  • memory/372-141-0x0000000004600000-0x0000000004601000-memory.dmp

    Filesize

    4KB

  • memory/372-163-0x0000000007300000-0x0000000007301000-memory.dmp

    Filesize

    4KB

  • memory/372-200-0x0000000006968000-0x0000000006969000-memory.dmp

    Filesize

    4KB

  • memory/2972-118-0x0000000000000000-mapping.dmp

  • memory/3168-125-0x0000000000000000-mapping.dmp