Analysis

  • max time kernel
    92s
  • max time network
    136s
  • 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 11:24

General

  • Target

    922590e679f418d5e871ed027a0fb986c15439d381046e2c6c01d1f100da1ed3.msi

  • Size

    2.2MB

  • MD5

    bbf5cd6b084221a207c6d4948b48cf52

  • SHA1

    6c4560eb2358f2a0041e1db56bcce232fb13d20d

  • SHA256

    922590e679f418d5e871ed027a0fb986c15439d381046e2c6c01d1f100da1ed3

  • SHA512

    09f6eb8582c170fb5bd01d5f9f57697d5c3e011df1790ddc44cff2c15a7df35d2c7273f68ffef7a54e45c72e99299ddf048ea65696a9eaf70df7d6005ab5e328

  • SSDEEP

    49152:FEiJT5NKpt6ikhfxm2C6VQQQe/dJLXgiTRsanWzywHB5PML5YmbK:FEiJVNut6zhfxo6aArs1yg5P4bK

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 4 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 5 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\922590e679f418d5e871ed027a0fb986c15439d381046e2c6c01d1f100da1ed3.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2804
  • 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:3372
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1980
      • 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:4964
      • 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:3380
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4004

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Config.Msi\e57977e.rbs

      Filesize

      10KB

      MD5

      c26c90efc0de50038d983f8c68e8fdcf

      SHA1

      1d282824a514df69a2c8ffe7f1297282d0ce73d3

      SHA256

      318f97f186a8f19035b0a2c7f8e1cb666057b4220ab0a4385cf4d8ceb2f505b9

      SHA512

      3661c658ffe15d974877a7bb4ea359145209c5fb36b184405a8ae37befb87007c71334944f555719650b1d15d8ec3480de239ed2f9672016ab340aa9496463b3

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\30069012ED3CF5DB92F9F4FC78D55E2D_16AA5B9B040CB195ADDB70661F18F3C5

      Filesize

      1KB

      MD5

      20eb622ba51e653e80e9fddadef5bf9b

      SHA1

      83e7151af9fe29946f0048c4c2c84a9df8b4270b

      SHA256

      217c19a888d72b94dde5cac6b0bfc0c3d14f68ce2d3c007cb62001549fb33fcd

      SHA512

      bcfc9dd9716634731775930f361754187efc785dc10421294d4ead777651a0cb2ec625afdcc0f2c9c1a6a1859b4ab572a81e5e3331ab6fba94a14e45a37c57c7

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B03113490075047F519A3F760F0FF379_EAA7EAA3882323A05D27C396DC25384C

      Filesize

      2KB

      MD5

      9632ebce41950afead114978a2addc45

      SHA1

      b14c961ec578339ac98b201ae211f8fcc663f8d4

      SHA256

      22a8c3160135600c796baf888ecf54abdae2bd7ec5ebc64d0e4393ffd7d0d414

      SHA512

      d19277a18fd0d297d37037c8c1e72a428c57faedd88b292416d761a1d4f7e14fa38d1e5cc2f0c4c3caf74b48cf17775765f283c9fbb5ce117ff2171ddef023cb

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\30069012ED3CF5DB92F9F4FC78D55E2D_16AA5B9B040CB195ADDB70661F18F3C5

      Filesize

      412B

      MD5

      50f3c07a8244bc963ff5d1d20d35783d

      SHA1

      70f6d54c6a6033ee3469d25604903f54a7591b5b

      SHA256

      89f05b2edea752ebb1666cdde5266109de2e7b2d51b706961964f213694792e1

      SHA512

      bd67d7d1126d645d0e93b47fa7223e2094037f40f3ab60e804839b9fd31d1646654b4f3c6c0a734f9be8128b5fcabd61182ccca946cfe012e8f5a7d98ded6d29

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B03113490075047F519A3F760F0FF379_EAA7EAA3882323A05D27C396DC25384C

      Filesize

      428B

      MD5

      93c626ab1028c8a419c163f2ccb66e7a

      SHA1

      b6f3502b5a300568796664309d6c6117e17256b5

      SHA256

      8ea450a3e4fdd63a1397b3529c9d8ae7fea1348953320d7bc7abad88401fefbe

      SHA512

      0295e3c33ee4c7eb9cd7014ac70facb2c5c7ad56202e35381aa1d7f394737dd10ca14de9743b01daf046f5bf89776fd5848378eae6d2df86d85130b0f06954ec

    • 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\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:\Users\Admin\AppData\Local\MsOneDrive\pcichek.dll

      Filesize

      27KB

      MD5

      e311935a26ee920d5b7176cfa469253c

      SHA1

      eda6c815a02c4c91c9aacd819dc06e32ececf8f0

      SHA256

      0038ab626624fa2df9f65dd5e310b1206a9cd4d8ab7e65fb091cc25f13ebd34e

      SHA512

      48164e8841cfc91f4cbf4d3291d4f359518d081d9079a7995378f970e4085b534f4bafc15b83f4824cc79b5a1e54457b879963589b1acbcfe727a03eb3dffd1c

    • C:\Windows\Installer\e57977d.msi

      Filesize

      2.2MB

      MD5

      bbf5cd6b084221a207c6d4948b48cf52

      SHA1

      6c4560eb2358f2a0041e1db56bcce232fb13d20d

      SHA256

      922590e679f418d5e871ed027a0fb986c15439d381046e2c6c01d1f100da1ed3

      SHA512

      09f6eb8582c170fb5bd01d5f9f57697d5c3e011df1790ddc44cff2c15a7df35d2c7273f68ffef7a54e45c72e99299ddf048ea65696a9eaf70df7d6005ab5e328

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

      Filesize

      23.7MB

      MD5

      cce695cb01f6182abca41e0a1dfa9a00

      SHA1

      8462e789bb16a5bea06f591c627ed9e92396aa40

      SHA256

      112a147c89d7c7cfed30e62407c981e46485cfaae25ce07debefd01af1080989

      SHA512

      fa0fe8f362a952262cf8366f724176fb8ef2820f579734dba32acc59373f721787f3e2ed593abbd35aaf2b06b2be9a0920a92db7a63af196def9108ccde50821

    • \??\Volume{851c08bf-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{ab54cd8d-5049-4bbb-8e98-af0e1ec106e4}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      bd4a73bc2f4cddef40f927145776779f

      SHA1

      2947f0b497cd6991299920bd951c5266b48f9c0d

      SHA256

      8e1597c0aeff3cb77449f368e3c74d5dbdffb7727dafeb42ef79cb5f8a2e54ab

      SHA512

      292961559d895e0c644c18c88db62dfa8533f0539d6ef36d68ee49857a3462d229de9edab07d459c547c893c4e601aa36fe33d0613a0933922774be8df3e1178