Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    22/01/2025, 01:16

General

  • Target
    using python exe.exe
  • Size 24.8MB
  • Sample250122-bmsstszrdt
  • SHA256 dcc64a3e8791dc7d343a656a67f0f9ff600ef5998f3730094a284b447cc43709
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 11 IoCs
  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 23 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\using python exe.exe
    "C:\Users\Admin\AppData\Local\Temp\using python exe.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\Secure\Installer 5\install\using python exe.msi" AI_SETUPEXEPATH="C:\Users\Admin\AppData\Local\Temp\using python exe.exe" SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1737249136 "
      2⤵
      • Blocklisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      PID:2992
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Loads dropped DLL
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DCC02999B4A4593C9FC9D0B285290ED4 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2508
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A5C0F5C712F30F5657B75E325AE98115
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2516
    • C:\Program Files (x86)\Secure\Installer\wsedriverraw.exe
      "C:\Program Files (x86)\Secure\Installer\wsedriverraw.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Program Files (x86)\Secure\Installer\wsedriverraw.exe
        "C:\Program Files (x86)\Secure\Installer\wsedriverraw.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1140

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        f76c3ef.rbs

        • Path C:\Config.Msi\f76c3ef.rbs
        • Size 7KB
        • SHA256 5ce8377116cb9d99dfdbf186141645435ffbf0c928cf1e011a3fbdaa1fccad28
        • MD5 SHA1 SHA512 SSDEEP

        wsedriverraw.exe

        • Path C:\Program Files (x86)\Secure\Installer\wsedriverraw.exe
        • Size 18.7MB
        • SHA256 cc60a440ee6042296b8e2e700e2f7ecf1e0adb0168eca1077567b83160e84198
        • MD5 SHA1 SHA512 SSDEEP

        07298EE8EBA9732300AE62BDCA6B6898

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07298EE8EBA9732300AE62BDCA6B6898
        • Size 1KB
        • SHA256 2e7bf16cc22485a7bbe2aa8696750761b0ae39be3b2fe9d0cc6d4ef73491425c
        • MD5 SHA1 SHA512

        07298EE8EBA9732300AE62BDCA6B6898

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07298EE8EBA9732300AE62BDCA6B6898
        • Size 312B
        • SHA256 e873d28b335a97d1d3408347a525fafebf355463221a7c2fab430ce4db76fd24
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 25fff6a774c45e829341959923f4b6afe6f97b17b82a02a517eb9e6ebaad8de0
        • MD5 SHA1 SHA512

        94308059B57B3142E455B38A6EB92015

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        • Size 342B
        • SHA256 9ee5644269bacc79ee861e542fcd50a19f73055d7ce720b75156dbbb0f905e1e
        • MD5 SHA1 SHA512

        CabBC8D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\CabBC8D.tmp
        • Size 70KB
        • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
        • MD5 SHA1 SHA512 SSDEEP

        MSIC0E1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSIC0E1.tmp
        • Size 1001KB
        • SHA256 e831a5aebc7bd941fa815a9441e552a0ba699f9bd5454036a68ccbb42200353a
        • MD5 SHA1 SHA512 SSDEEP

        TarBE45.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TarBE45.tmp
        • Size 181KB
        • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
        • MD5 SHA1 SHA512 SSDEEP

        INSTALLER

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19842\importlib_metadata-8.5.0.dist-info\INSTALLER
        • Size 4B
        • SHA256 ceebae7b8927a3227e5303cf5e0f1f7b34bb542ad7250ac03fbcde36ec2f1508
        • MD5 SHA1 SHA512

        python39.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19842\python39.dll
        • Size 4.3MB
        • SHA256 324963a39b8fd045ff634bb3271508dab5098b4d99e85e7648d0b47c32dc85c3
        • MD5 SHA1 SHA512 SSDEEP

        using python exe.msi

        • Path C:\Users\Admin\AppData\Roaming\Secure\Installer 5\install\using python exe.msi
        • Size 2.4MB
        • SHA256 67e61409a7b4b0f36575317fee4908bad024d24e1e6cb7d9dfbcc320b0673593
        • MD5 SHA1 SHA512 SSDEEP

        using python exe1.cab

        • Path C:\Users\Admin\AppData\Roaming\Secure\Installer 5\install\using python exe1.cab
        • Size 18.5MB
        • SHA256 31e57fdb20758359f49d029afc8910e18ac1162700a7ec5a48e418537a564e34
        • MD5 SHA1 SHA512 SSDEEP

        preC1FB.tmp

        • Path \Users\Admin\AppData\Local\Temp\preC1FB.tmp
        • Size 893KB
        • SHA256 3b4bac5bbb4bf191691a1b052926418d4bcab5e9aad9d535f4e1e87a19617308
        • MD5 SHA1 SHA512 SSDEEP

        memory/2596-0-0x0000000000260000-0x0000000000261000-memory.dmp