Analysis

  • max time kernel
    90s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 01:47

General

  • Target
    5ce368d2918d0b47e6c655272e6ce606d45055a47af1d46fdb9eb5f34d1e0d4fN.exe
  • Size 1.4MB
  • Sample240921-b7mgjszblc
  • SHA256 5ce368d2918d0b47e6c655272e6ce606d45055a47af1d46fdb9eb5f34d1e0d4f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 7 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.

  • NSIS installer 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 13 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ce368d2918d0b47e6c655272e6ce606d45055a47af1d46fdb9eb5f34d1e0d4fN.exe
    "C:\Users\Admin\AppData\Local\Temp\5ce368d2918d0b47e6c655272e6ce606d45055a47af1d46fdb9eb5f34d1e0d4fN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\4204_adknowledgept.exe
      C:\Users\Admin\AppData\Local\Temp\4204_adknowledgept.exe /S /NOLAUNCH
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:2216
    • C:\Users\Admin\AppData\Local\Temp\4204_adknowledgept_ff.exe
      C:\Users\Admin\AppData\Local\Temp\4204_adknowledgept_ff.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2480
  • C:\Users\Admin\AppData\LocalLow\alotservice\alotservice.exe
    C:\Users\Admin\AppData\LocalLow\alotservice\alotservice.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2372

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        toolbar.xml

        • Path C:\Users\Admin\AppData\LocalLow\alotappbar\toolbar.xml
        • Size 45KB
        • SHA256 a7c112b4c4267219f6d1e03d557234554e0d5aaa251e76eae6925fbf86cb950a
        • MD5 SHA1 SHA512 SSDEEP

        alotservice.exe

        • Path C:\Users\Admin\AppData\LocalLow\alotservice\alotservice.exe
        • Size 196KB
        • SHA256 c178d65e4f91afaccb7d8ead7288215e7a887c189c82e3a4df27d6930b648c54
        • MD5 SHA1 SHA512 SSDEEP

        service.xml

        • Path C:\Users\Admin\AppData\LocalLow\alotservice\service.xml
        • Size 437B
        • SHA256 6cfc87740824696363710232ab64484e043849f10057b143865ffc9a911dcc78
        • MD5 SHA1 SHA512

        service.xml.backup

        • Path C:\Users\Admin\AppData\LocalLow\alotservice\service.xml.backup
        • Size 332B
        • SHA256 9e7c8ed36f6bc384bb17fd22d374a89f0a5bca8e1cd39c74139b4d8c550da1e6
        • MD5 SHA1 SHA512

        4204_adknowledgept.exe

        • Path C:\Users\Admin\AppData\Local\Temp\4204_adknowledgept.exe
        • Size 1.1MB
        • SHA256 e222a717b3c76ec83f55f88d1113f4abc6be660e809db00889d2aff404798eef
        • MD5 SHA1 SHA512 SSDEEP

        4204_adknowledgept_ff.exe

        • Path \Users\Admin\AppData\Local\Temp\4204_adknowledgept_ff.exe
        • Size 341KB
        • SHA256 e820e75366e369a30b777595721e610af2985485453774c9764ab8dbc5cfb455
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nst820D.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        inetc.dll

        • Path \Users\Admin\AppData\Local\Temp\nst820D.tmp\inetc.dll
        • Size 20KB
        • SHA256 3bce87b66d9272c82421920c34b0216e12c57a437d1955c36f23c74c1a01d420
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsz7C63.tmp\System.dll
        • Size 11KB
        • SHA256 b496e81a74ce871236abcd096fb9a6b210b456bebaa7464fa844b3241e51a655
        • MD5 SHA1 SHA512 SSDEEP

        installhelper.dll

        • Path \Users\Admin\AppData\Local\Temp\nsz7C63.tmp\installhelper.dll
        • Size 254KB
        • SHA256 1df98f32dcea672ee2287c6b5cf5810ede6a90b1e3c9348ee36198a062711d9b
        • MD5 SHA1 SHA512 SSDEEP

        memory/2372-168-0x0000000000140000-0x0000000000141000-memory.dmp