Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 22:12

General

  • Target
    70b14182dbfdeef81da9a66d5fcc6b86.exe
  • Size 990KB
  • Sample240123-14zedabdb3
  • SHA256 405a032781c252f38563f8a4df4a2b17a7b6c95ba8cf7d35eb823ffc4d555856
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 41 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70b14182dbfdeef81da9a66d5fcc6b86.exe
    "C:\Users\Admin\AppData\Local\Temp\70b14182dbfdeef81da9a66d5fcc6b86.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Users\Admin\AppData\Local\Temp\nsdF2E.tmp\215AppsChecker.exe
      C:\Users\Admin\AppData\Local\Temp\nsdF2E.tmp\215AppsChecker.exe /checkispublisherinstalled
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:764
    • C:\Users\Admin\AppData\Local\Temp\nsdF2E.tmp\dlhelpdl.exe
      C:\Users\Admin\AppData\Local\Temp\nsdF2E.tmp\dlhelpdl.exe ~URL Parts Error~~~~URL Parts Error~URL Parts Error~~#~4850~4637~~URL Parts Error~~SendRequest Error~46-FA-A8-55-8A-22~#~~SendRequest Error~~IE~~
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1428

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        StdUtils.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsd145C.tmp\StdUtils.dll
        • Size 14KB
        • SHA256 0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16
        • MD5 SHA1 SHA512 SSDEEP

        215AppsChecker.exe

        • Path \Users\Admin\AppData\Local\Temp\nsdF2E.tmp\215AppsChecker.exe
        • Size 39KB
        • SHA256 bc13af4eb6cc4917d617785d7e4ad09f64745a9cf06354833e815e9229ce8dcf
        • MD5 SHA1 SHA512 SSDEEP

        GetVersion.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdF2E.tmp\GetVersion.dll
        • Size 6KB
        • SHA256 7d76c7dd8f7cd5a87e0118dacb434db3971a049501e22a5f4b947154621ab3d4
        • MD5 SHA1 SHA512 SSDEEP

        Math.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdF2E.tmp\Math.dll
        • Size 66KB
        • SHA256 0598f7d83db44929b7170c1285457b52b4281185f63ced102e709bf065f10d67
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdF2E.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdF2E.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        dlhelpdl.exe

        • Path \Users\Admin\AppData\Local\Temp\nsdF2E.tmp\dlhelpdl.exe
        • Size 127KB
        • SHA256 9aa109ebfe83d00f979b1ca43069eb72a35bb1dcb6e81c6336983a0db6da2c9a
        • MD5 SHA1 SHA512 SSDEEP

        intlib.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdF2E.tmp\intlib.dll
        • Size 24KB
        • SHA256 983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341
        • MD5 SHA1 SHA512 SSDEEP

        nsDialogs.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdF2E.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
        • MD5 SHA1 SHA512 SSDEEP

        registry.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdF2E.tmp\registry.dll
        • Size 16KB
        • SHA256 ae53f8e00574a87dd243fdf344141417cfe2af318c6c5e363a030d727a6c75d1
        • MD5 SHA1 SHA512 SSDEEP

        memory/2532-66-0x0000000000470000-0x000000000048A000-memory.dmp