Analysis

  • max time kernel
    78s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 19:51

General

  • Target

    98e12e68c45dc1b540c7f1c87e4293e3f0f0fecae98d3f49b60fdb4f646082d11.msi

  • Size

    2.2MB

  • MD5

    0a86f111f1e8ec51d2ce46864f7f4576

  • SHA1

    7f3065bca7f7d261b431a909c7bb051c7bd79eae

  • SHA256

    98e12e68c45dc1b540c7f1c87e4293e3f0f0fecae98d3f49b60fdb4f646082d1

  • SHA512

    f5528f4039eeae866edbe378a54f1480e0ad621fbe895e01d933699ab7361e529720b23b98587a02b78571f5b45ce71840295697a2a1a34b77aec7fd067c5be9

  • SSDEEP

    49152:lEiJT5NKpt6ikhfxm2C6VQQQe/dJLXgiTRsanWzywHB5PML5YmbKF:lEiJVNut6zhfxo6aArs1yg5P4bKF

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 8 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\98e12e68c45dc1b540c7f1c87e4293e3f0f0fecae98d3f49b60fdb4f646082d11.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4696
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3092
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3704
      • C:\Users\Admin\AppData\Local\MsOneDrive\client32.exe
        "C:\Users\Admin\AppData\Local\MsOneDrive\client32.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        PID:5032
      • C:\Windows\system32\reg.exe
        reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v MSOneDrive /t REG_SZ /d "C:\Users\Admin\AppData\Local\MsOneDrive\client32.exe"
        2⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:1068
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:1812

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e580924.rbs

      Filesize

      10KB

      MD5

      25012765798c58c478a394862191dbc6

      SHA1

      bcf968c6aa7b91c8b1156ffcf9211d11e4cca531

      SHA256

      3686b97ff8c159d96174129c3972cfd7d90a5faa1f34ce1f7aa2d126b8bf79ad

      SHA512

      ffaaa4131436d4dffe6b9face6f72eb5de0de93a2026d5dd23600260ae1a2aee5a265db554a5cf8f3f9f9c710fd7b1bf4487fd99365f55d52a3d15613a2c894e

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_E55ED4737D009406C9A7181799A97235

      Filesize

      1KB

      MD5

      50affbdc9934618f2c5d79dbf9a51820

      SHA1

      14e8ab8a079802233ced92d9b057ab394cdb6dd7

      SHA256

      38e48c681d560b21946204046d9e8f33e21e644003168dc97db4323ee7e09d97

      SHA512

      495d99e8f4816821bdc2127c7113e85c8a06e79a6f003288740b5fb130ac753b2b749a1f68202a868f090893a86f650c11da17089193e3f7fd88953853f59007

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

      Filesize

      1KB

      MD5

      b616265beef47cb1d86b7b37bc7f43e8

      SHA1

      198ef7db423cb1ab164eefd327089526d9d59a0d

      SHA256

      d7ca7b07934333665fc304e79d706e9cadac1a53ae86b7278842292a6e294a5e

      SHA512

      e01d057a177433d18481d2726d08d86072c4f00149f1009e8a718cf61d70ebf48651c7a796995fa7a27bb2909d9ea551880a84b6f25c2a4197451e1ed6e215c8

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_E55ED4737D009406C9A7181799A97235

      Filesize

      536B

      MD5

      a5d3b81a41c1aa2e4cd0ecfbdde76c78

      SHA1

      7922cf07f4b712b25eca2413bcd3bcdf19646b2e

      SHA256

      2162201608e64a36b77b1376fbe8088e4ad3769ba9a33ee204933a7d37fe3fe6

      SHA512

      c4294fc09e8aecc959c4382fa9fc8b5dc1a23f452215d525b01471fbeaa2185ba8a1cb37b52d866ad269a2cee46582715b617b7731a9a1af647d6628986758d4

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

      Filesize

      536B

      MD5

      0e91cf359a454c12932235ac35dfcca8

      SHA1

      d9bc499c966e8cd57bc28ceb9a3326f4686193a5

      SHA256

      7d9c7830098aed988dd85ea71455f507dd4d26d6cc570593e468d26885f2ceb7

      SHA512

      5c820822e2de431cab2af2c14839d75415baa68048d7ec7845ee91c2908b6ff7266e4e307619893a35352a1eb2bd1dfcd99518a33a93c5989f91a92552f26783

    • C:\Users\Admin\AppData\Local\MsOneDrive\HTCTL32.DLL

      Filesize

      306KB

      MD5

      3eed18b47412d3f91a394ae880b56ed2

      SHA1

      1b521a3ed4a577a33cce78eee627ae02445694ab

      SHA256

      13a17f2ad9288aac8941d895251604beb9524fa3c65c781197841ee15480a13f

      SHA512

      835f35af4fd241caa8b6a639626b8762db8525ccceb43afe8fffc24dffad76ca10852a5a8e9fc114bfbf7d1dc1950130a67037fc09b63a74374517a1f5448990

    • C:\Users\Admin\AppData\Local\MsOneDrive\MSVCR100.dll

      Filesize

      755KB

      MD5

      0e37fbfa79d349d672456923ec5fbbe3

      SHA1

      4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

      SHA256

      8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

      SHA512

      2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

    • C:\Users\Admin\AppData\Local\MsOneDrive\NSM.LIC

      Filesize

      262B

      MD5

      b9956282a0fed076ed083892e498ac69

      SHA1

      d14a665438385203283030a189ff6c5e7c4bf518

      SHA256

      fcc6afd664a8045bd61c398be3c37a97536a199a48d277e11977f93868ae1acc

      SHA512

      7daa09113c0e8a36c91cc6d657c65851a20dff6b60ac3d2f40c5737c12c1613c553955f84d131ba2139959973fef9fc616ca5e968cb16c25acf2d4739eed87eb

    • C:\Users\Admin\AppData\Local\MsOneDrive\PCICHEK.DLL

      Filesize

      27KB

      MD5

      e311935a26ee920d5b7176cfa469253c

      SHA1

      eda6c815a02c4c91c9aacd819dc06e32ececf8f0

      SHA256

      0038ab626624fa2df9f65dd5e310b1206a9cd4d8ab7e65fb091cc25f13ebd34e

      SHA512

      48164e8841cfc91f4cbf4d3291d4f359518d081d9079a7995378f970e4085b534f4bafc15b83f4824cc79b5a1e54457b879963589b1acbcfe727a03eb3dffd1c

    • C:\Users\Admin\AppData\Local\MsOneDrive\PCICL32.DLL

      Filesize

      3.3MB

      MD5

      f782c24a376285c9b8a3a116175093f8

      SHA1

      b8fdb6e95c7313cf31f14a3a31cc334b56e6df09

      SHA256

      c7baf1647f6fef1b1a4231c9743f20f7a4b524ca4eb987a0acbeeef7e037d7e3

      SHA512

      256385a6663dcf70a5a9a1b766d1f826760f07efa9b9248047dc43d41f6a9f4dd56ca2b218c222ea1d441e2f7ba9bb114cde6954827b9761ebb1f23bba7ad1bb

    • C:\Users\Admin\AppData\Local\MsOneDrive\client32.exe

      Filesize

      104KB

      MD5

      f6abef857450c97ea74cd8f0eb9a8c0a

      SHA1

      a1acdd10f5a8f8b086e293c6a60c53630ad319fb

      SHA256

      db0acb4a3082edc19ca9a78b059258ea36b4be16eee4f1172115fc83e693a903

      SHA512

      b6a2196ebfa51bb3fb8fb2b95ad5275828ab5435fd859fc993e2b3ed92a74799fe1c8b178270f99c79432f39aa9dbc0090038f037fcb651ab75c14b18102671f

    • C:\Users\Admin\AppData\Local\MsOneDrive\client32.ini

      Filesize

      664B

      MD5

      14f6ebed5e1176f17c18d00a2dc64b2e

      SHA1

      cb9c079373658ce098e1d07d4a2c997bf3141b4b

      SHA256

      d4c1f00382f01abbb3142ef6d9c3e51557d0ced12a52861d8c5df44d1ce723ac

      SHA512

      e5f24a695749d693e873ea60b8caaff5cb3b306887721e3f9f308afe697fba37f3a6226322aedebb46764d6bbbaf21df44d4c6a02db49b067437d7e7d0cceaf9

    • C:\Users\Admin\AppData\Local\MsOneDrive\pcicapi.dll

      Filesize

      44KB

      MD5

      9daa86d91a18131d5caf49d14fb8b6f2

      SHA1

      6b2f7ceb6157909e114a2b05a48a1a2606b5caf1

      SHA256

      1716640cce74322f7ee3e3e02b75cd53b91686f66e389d606dab01bd9f88c557

      SHA512

      9a98e0d9e2dda8aefa54bddb3c7b71501d638dff68863939de6caa117b0e7bf15e581a75419ef8a0da3f1c56a19f1b0f4c86d65f8581773ab88ff5764b9bb3aa

    • C:\Windows\Installer\e580923.msi

      Filesize

      2.2MB

      MD5

      0a86f111f1e8ec51d2ce46864f7f4576

      SHA1

      7f3065bca7f7d261b431a909c7bb051c7bd79eae

      SHA256

      98e12e68c45dc1b540c7f1c87e4293e3f0f0fecae98d3f49b60fdb4f646082d1

      SHA512

      f5528f4039eeae866edbe378a54f1480e0ad621fbe895e01d933699ab7361e529720b23b98587a02b78571f5b45ce71840295697a2a1a34b77aec7fd067c5be9

    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

      Filesize

      23.7MB

      MD5

      89f94986538bcd33a80c8ac4f2e31fbd

      SHA1

      70c1c3965363860f02ffffb0dfa55cfcb847f53f

      SHA256

      cd27555e9a04dd529b55331f80474f8f2bd5bc7da7a3d11aad782ebcba807b0a

      SHA512

      d2ba68968bfe740b7ed3f986a8a17568d96d871a99d5b77266796d7f1ac07e906417114523ef89e73c4754f3838247ee4799b39685924357ab3ed4a1152932b9

    • \??\Volume{fa3589b5-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{b0b261f5-adf8-4a03-a442-dba1129caf73}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      9ccd943aecd8582746884d3e7d0c2d2a

      SHA1

      e05e3b5204c667f1c8335fc382cbf12730716257

      SHA256

      a1432ef34e673750cb39848af50a84d1aa017395e0347701740b474539c764b2

      SHA512

      862080207e86bbcd0eba68ed3114deb2d86847f1ecf02959b3453826ed4ef1c004a693a4d046b6316be2801145299a75f6caf2e94a29b84d0db65b1e970e1efc