Analysis

  • max time kernel
    133s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/02/2023, 18:40

General

  • Target
    FACT63e39.msi
  • Size 7.1MB
  • Sample230208-xa7bcaed44
  • SHA256 a7bc65dc16eb4c1a40ce37aacb8f2efbe613d25dee7e996b7baf579213d9fc46
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\FACT63e39.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2796
  • 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:5020
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 8C18F1B0FE4CC2BF58E93E0F4418187A
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      PID:1124

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MSI6ECC.tmp

        • Path C:\Windows\Installer\MSI6ECC.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSI6ECC.tmp

        • Path C:\Windows\Installer\MSI6ECC.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSI71EA.tmp

        • Path C:\Windows\Installer\MSI71EA.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSI71EA.tmp

        • Path C:\Windows\Installer\MSI71EA.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSI72B6.tmp

        • Path C:\Windows\Installer\MSI72B6.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSI72B6.tmp

        • Path C:\Windows\Installer\MSI72B6.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSI7315.tmp

        • Path C:\Windows\Installer\MSI7315.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSI7315.tmp

        • Path C:\Windows\Installer\MSI7315.tmp
        • Size 376KB
        • SHA256 5316cfae8b4d28ab7cbc5cab60e27b0c0f5a3210a921a4b0560769c5021c911b
        • MD5 SHA1 SHA512 SSDEEP

        MSI74AD.tmp

        • Path C:\Windows\Installer\MSI74AD.tmp
        • Size 6.5MB
        • SHA256 728c0f25362a2b9d91b6bba4929d31f9d1af97d0397b5a9a9bde1443a47fa35f
        • MD5 SHA1 SHA512 SSDEEP

        MSI74AD.tmp

        • Path C:\Windows\Installer\MSI74AD.tmp
        • Size 6.5MB
        • SHA256 728c0f25362a2b9d91b6bba4929d31f9d1af97d0397b5a9a9bde1443a47fa35f
        • MD5 SHA1 SHA512 SSDEEP

        MSI74AD.tmp

        • Path C:\Windows\Installer\MSI74AD.tmp
        • Size 6.5MB
        • SHA256 728c0f25362a2b9d91b6bba4929d31f9d1af97d0397b5a9a9bde1443a47fa35f
        • MD5 SHA1 SHA512 SSDEEP

        memory/1124-144-0x0000000003540000-0x000000000450C000-memory.dmp

        memory/1124-145-0x0000000003540000-0x000000000450C000-memory.dmp

        memory/1124-148-0x0000000003540000-0x000000000450C000-memory.dmp

        memory/1124-149-0x0000000003540000-0x000000000450C000-memory.dmp

        memory/1124-150-0x0000000003540000-0x000000000450C000-memory.dmp

        memory/1124-151-0x0000000003540000-0x000000000450C000-memory.dmp