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
  • Sample240925-nhp8cswcmd
  • SHA256 922590e679f418d5e871ed027a0fb986c15439d381046e2c6c01d1f100da1ed3
  • MD5 SHA1 SHA512 SSDEEP

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

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          Downloads

          e57977e.rbs

          • Path C:\Config.Msi\e57977e.rbs
          • Size 10KB
          • SHA256 318f97f186a8f19035b0a2c7f8e1cb666057b4220ab0a4385cf4d8ceb2f505b9
          • MD5 SHA1 SHA512 SSDEEP

          30069012ED3CF5DB92F9F4FC78D55E2D_16AA5B9B040CB195ADDB70661F18F3C5

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\30069012ED3CF5DB92F9F4FC78D55E2D_16AA5B9B040CB195ADDB70661F18F3C5
          • Size 1KB
          • SHA256 217c19a888d72b94dde5cac6b0bfc0c3d14f68ce2d3c007cb62001549fb33fcd
          • MD5 SHA1 SHA512

          B03113490075047F519A3F760F0FF379_EAA7EAA3882323A05D27C396DC25384C

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B03113490075047F519A3F760F0FF379_EAA7EAA3882323A05D27C396DC25384C
          • Size 2KB
          • SHA256 22a8c3160135600c796baf888ecf54abdae2bd7ec5ebc64d0e4393ffd7d0d414
          • MD5 SHA1 SHA512

          30069012ED3CF5DB92F9F4FC78D55E2D_16AA5B9B040CB195ADDB70661F18F3C5

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\30069012ED3CF5DB92F9F4FC78D55E2D_16AA5B9B040CB195ADDB70661F18F3C5
          • Size 412B
          • SHA256 89f05b2edea752ebb1666cdde5266109de2e7b2d51b706961964f213694792e1
          • MD5 SHA1 SHA512

          B03113490075047F519A3F760F0FF379_EAA7EAA3882323A05D27C396DC25384C

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B03113490075047F519A3F760F0FF379_EAA7EAA3882323A05D27C396DC25384C
          • Size 428B
          • SHA256 8ea450a3e4fdd63a1397b3529c9d8ae7fea1348953320d7bc7abad88401fefbe
          • MD5 SHA1 SHA512

          HTCTL32.DLL

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\HTCTL32.DLL
          • Size 306KB
          • SHA256 13a17f2ad9288aac8941d895251604beb9524fa3c65c781197841ee15480a13f
          • MD5 SHA1 SHA512 SSDEEP

          MSVCR100.dll

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\MSVCR100.dll
          • Size 755KB
          • SHA256 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
          • MD5 SHA1 SHA512 SSDEEP

          NSM.LIC

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\NSM.LIC
          • Size 262B
          • SHA256 fcc6afd664a8045bd61c398be3c37a97536a199a48d277e11977f93868ae1acc
          • MD5 SHA1 SHA512

          PCICL32.dll

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\PCICL32.dll
          • Size 3.3MB
          • SHA256 c7baf1647f6fef1b1a4231c9743f20f7a4b524ca4eb987a0acbeeef7e037d7e3
          • MD5 SHA1 SHA512 SSDEEP

          client32.exe

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\client32.exe
          • Size 104KB
          • SHA256 db0acb4a3082edc19ca9a78b059258ea36b4be16eee4f1172115fc83e693a903
          • MD5 SHA1 SHA512 SSDEEP

          client32.ini

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\client32.ini
          • Size 664B
          • SHA256 d4c1f00382f01abbb3142ef6d9c3e51557d0ced12a52861d8c5df44d1ce723ac
          • MD5 SHA1 SHA512

          pcicapi.dll

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\pcicapi.dll
          • Size 44KB
          • SHA256 1716640cce74322f7ee3e3e02b75cd53b91686f66e389d606dab01bd9f88c557
          • MD5 SHA1 SHA512 SSDEEP

          pcichek.dll

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\pcichek.dll
          • Size 27KB
          • SHA256 0038ab626624fa2df9f65dd5e310b1206a9cd4d8ab7e65fb091cc25f13ebd34e
          • MD5 SHA1 SHA512 SSDEEP

          e57977d.msi

          • Path C:\Windows\Installer\e57977d.msi
          • Size 2.2MB
          • SHA256 922590e679f418d5e871ed027a0fb986c15439d381046e2c6c01d1f100da1ed3
          • MD5 SHA1 SHA512 SSDEEP

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 23.7MB
          • SHA256 112a147c89d7c7cfed30e62407c981e46485cfaae25ce07debefd01af1080989
          • MD5 SHA1 SHA512 SSDEEP

          {ab54cd8d-5049-4bbb-8e98-af0e1ec106e4}_OnDiskSnapshotProp

          • Path \??\Volume{851c08bf-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{ab54cd8d-5049-4bbb-8e98-af0e1ec106e4}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 8e1597c0aeff3cb77449f368e3c74d5dbdffb7727dafeb42ef79cb5f8a2e54ab
          • MD5 SHA1 SHA512 SSDEEP