Analysis

  • max time kernel
    133s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/11/2023, 21:40

General

  • Target
    ca4a43510da2087936b6a7aa6790d506f4aba6b1ff1f1d9fcc8fcba37fb47749.msi
  • Size 1.4MB
  • Sample231119-1jcd4scg3s
  • SHA256 ca4a43510da2087936b6a7aa6790d506f4aba6b1ff1f1d9fcc8fcba37fb47749
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Windows directory 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ca4a43510da2087936b6a7aa6790d506f4aba6b1ff1f1d9fcc8fcba37fb47749.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4252
  • 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:3156
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding FC79678575B3229317DE70F921C7F993
      2⤵
      • Loads dropped DLL
      • Blocklisted process makes network request
      PID:1452
    • C:\Windows\Installer\MSI8232.tmp
      "C:\Windows\Installer\MSI8232.tmp" /DontWait /HideWindow /dir "C:\Users\Public\" msiexec.exe /i s.msi /QN
      2⤵
      • Executes dropped EXE
      PID:760
  • C:\Windows\System32\msiexec.exe
    "C:\Windows\System32\msiexec.exe" /i s.msi /QN
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1168

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e581192.rbs

        • Path C:\Config.Msi\e581192.rbs
        • Size 867KB
        • SHA256 b98489f043db6b040256401af78a0ca40301c8b0e7a2220acd05ff31d273428d
        • MD5 SHA1 SHA512 SSDEEP

        MSI80a8a.LOG

        • Path C:\Users\Admin\AppData\Local\Temp\MSI80a8a.LOG
        • Size 21KB
        • SHA256 9e1ef866f35c77ea73f4e669a121e92d54ef57cc05419cc67fde8f855caa69cb
        • MD5 SHA1 SHA512 SSDEEP

        MSI1633.tmp

        • Path C:\Windows\Installer\MSI1633.tmp
        • Size 364KB
        • SHA256 8ac4b42fb36d10194a14c32f6f499a6ac6acb79adbec858647495ba64f6dd2bb
        • MD5 SHA1 SHA512 SSDEEP

        MSI1633.tmp

        • Path C:\Windows\Installer\MSI1633.tmp
        • Size 364KB
        • SHA256 8ac4b42fb36d10194a14c32f6f499a6ac6acb79adbec858647495ba64f6dd2bb
        • MD5 SHA1 SHA512 SSDEEP

        MSI30EF.tmp

        • Path C:\Windows\Installer\MSI30EF.tmp
        • Size 364KB
        • SHA256 8ac4b42fb36d10194a14c32f6f499a6ac6acb79adbec858647495ba64f6dd2bb
        • MD5 SHA1 SHA512 SSDEEP

        MSI30EF.tmp

        • Path C:\Windows\Installer\MSI30EF.tmp
        • Size 364KB
        • SHA256 8ac4b42fb36d10194a14c32f6f499a6ac6acb79adbec858647495ba64f6dd2bb
        • MD5 SHA1 SHA512 SSDEEP

        MSI45EF.tmp

        • Path C:\Windows\Installer\MSI45EF.tmp
        • Size 364KB
        • SHA256 8ac4b42fb36d10194a14c32f6f499a6ac6acb79adbec858647495ba64f6dd2bb
        • MD5 SHA1 SHA512 SSDEEP

        MSI45EF.tmp

        • Path C:\Windows\Installer\MSI45EF.tmp
        • Size 364KB
        • SHA256 8ac4b42fb36d10194a14c32f6f499a6ac6acb79adbec858647495ba64f6dd2bb
        • MD5 SHA1 SHA512 SSDEEP

        MSI45EF.tmp

        • Path C:\Windows\Installer\MSI45EF.tmp
        • Size 364KB
        • SHA256 8ac4b42fb36d10194a14c32f6f499a6ac6acb79adbec858647495ba64f6dd2bb
        • MD5 SHA1 SHA512 SSDEEP

        MSI46DB.tmp

        • Path C:\Windows\Installer\MSI46DB.tmp
        • Size 364KB
        • SHA256 8ac4b42fb36d10194a14c32f6f499a6ac6acb79adbec858647495ba64f6dd2bb
        • MD5 SHA1 SHA512 SSDEEP

        MSI46DB.tmp

        • Path C:\Windows\Installer\MSI46DB.tmp
        • Size 364KB
        • SHA256 8ac4b42fb36d10194a14c32f6f499a6ac6acb79adbec858647495ba64f6dd2bb
        • MD5 SHA1 SHA512 SSDEEP

        MSI4F78.tmp

        • Path C:\Windows\Installer\MSI4F78.tmp
        • Size 464KB
        • SHA256 cbad1f9097a0ee0874f8f29d206a9df465a96a53806e27e2e5a2bc9782beca38
        • MD5 SHA1 SHA512 SSDEEP

        MSI4F78.tmp

        • Path C:\Windows\Installer\MSI4F78.tmp
        • Size 464KB
        • SHA256 cbad1f9097a0ee0874f8f29d206a9df465a96a53806e27e2e5a2bc9782beca38
        • MD5 SHA1 SHA512 SSDEEP

        MSI5824.tmp

        • Path C:\Windows\Installer\MSI5824.tmp
        • Size 464KB
        • SHA256 cbad1f9097a0ee0874f8f29d206a9df465a96a53806e27e2e5a2bc9782beca38
        • MD5 SHA1 SHA512 SSDEEP

        MSI5824.tmp

        • Path C:\Windows\Installer\MSI5824.tmp
        • Size 464KB
        • SHA256 cbad1f9097a0ee0874f8f29d206a9df465a96a53806e27e2e5a2bc9782beca38
        • MD5 SHA1 SHA512 SSDEEP

        MSI8232.tmp

        • Path C:\Windows\Installer\MSI8232.tmp
        • Size 401KB
        • SHA256 d54bb7c088002a467a7d37ecc1ae1aa9bde920078dc24d5844d8ac7a57ea5841
        • MD5 SHA1 SHA512 SSDEEP

        MSI8232.tmp

        • Path C:\Windows\Installer\MSI8232.tmp
        • Size 401KB
        • SHA256 d54bb7c088002a467a7d37ecc1ae1aa9bde920078dc24d5844d8ac7a57ea5841
        • MD5 SHA1 SHA512 SSDEEP