Analysis

  • max time kernel
    60s
  • max time network
    26s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 19:47

General

  • Target
    b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838.exe
  • Size 25.5MB
  • Sample260822-yhmscaydqa
  • SHA256 b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 30 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Network Service Discovery 1 TTPs 2 IoCs

    Attempt to gather information on host's network.

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Executes a command shell one-liner 1 TTPs 4 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Network Connections Discovery 1 TTPs 2 IoCs

    Attempt to get a listing of network connections.

  • Discovers systems in the same network 1 TTPs 2 IoCs
  • Gathers network information 2 TTPs 4 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838.exe
    "C:\Users\Admin\AppData\Local\Temp\b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Users\Admin\AppData\Local\Temp\b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838.exe
      "C:\Users\Admin\AppData\Local\Temp\b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
        • Executes a command shell one-liner
        PID:4548
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
        • Executes a command shell one-liner
        PID:5096
      • C:\Windows\System32\Wbem\wmic.exe
        wmic cpu get Name,NumberOfCores,MaxClockSpeed /format:csv
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5588
      • C:\Windows\SYSTEM32\arp.exe
        arp -a
        3⤵
        • Network Service Discovery
        PID:5368
      • C:\Windows\SYSTEM32\net.exe
        net user
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Windows\system32\net1.exe
          C:\Windows\system32\net1 user
          4⤵
            PID:2120
        • C:\Windows\SYSTEM32\net.exe
          net user /domain
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:6100
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 user /domain
            4⤵
              PID:5464
          • C:\Windows\SYSTEM32\net.exe
            net share
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:2436
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 share
              4⤵
                PID:1176
            • C:\Windows\SYSTEM32\net.exe
              net view
              3⤵
              • Discovers systems in the same network
              PID:4768
            • C:\Windows\System32\Wbem\wmic.exe
              wmic logicaldisk get Name,Size,FreeSpace,FileSystem /format:csv
              3⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:2268
            • C:\Windows\SYSTEM32\ipconfig.exe
              ipconfig /all
              3⤵
              • Gathers network information
              PID:3360
            • C:\Windows\SYSTEM32\route.exe
              route print
              3⤵
                PID:5808
              • C:\Windows\SYSTEM32\netstat.exe
                netstat -ano
                3⤵
                • System Network Connections Discovery
                • Gathers network information
                PID:2912
          • C:\Users\Admin\AppData\Local\Temp\b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838.exe
            C:\Users\Admin\AppData\Local\Temp\b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838.exe
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:4444
            • C:\Users\Admin\AppData\Local\Temp\b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838.exe
              C:\Users\Admin\AppData\Local\Temp\b4a1829998389e5b7e6d91a151dfdd392445b4802462e4314a153e8843371838.exe
              2⤵
              • Loads dropped DLL
              • Adds Run key to start application
              • Suspicious use of WriteProcessMemory
              PID:1992
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c "ver"
                3⤵
                • Executes a command shell one-liner
                PID:3136
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c "ver"
                3⤵
                • Executes a command shell one-liner
                PID:3348
              • C:\Windows\System32\Wbem\wmic.exe
                wmic cpu get Name,NumberOfCores,MaxClockSpeed /format:csv
                3⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3752
              • C:\Windows\SYSTEM32\arp.exe
                arp -a
                3⤵
                • Network Service Discovery
                PID:2516
              • C:\Windows\SYSTEM32\net.exe
                net user
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:5624
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 user
                  4⤵
                    PID:5736
                • C:\Windows\SYSTEM32\net.exe
                  net user /domain
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:5928
                  • C:\Windows\system32\net1.exe
                    C:\Windows\system32\net1 user /domain
                    4⤵
                      PID:3376
                  • C:\Windows\SYSTEM32\net.exe
                    net share
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:5764
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 share
                      4⤵
                        PID:4792
                    • C:\Windows\SYSTEM32\net.exe
                      net view
                      3⤵
                      • Discovers systems in the same network
                      PID:3680
                    • C:\Windows\System32\Wbem\wmic.exe
                      wmic logicaldisk get Name,Size,FreeSpace,FileSystem /format:csv
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:3740
                    • C:\Windows\SYSTEM32\ipconfig.exe
                      ipconfig /all
                      3⤵
                      • Gathers network information
                      PID:2016
                    • C:\Windows\SYSTEM32\route.exe
                      route print
                      3⤵
                        PID:6060
                      • C:\Windows\SYSTEM32\netstat.exe
                        netstat -ano
                        3⤵
                        • System Network Connections Discovery
                        • Gathers network information
                        PID:4496

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        _imaging.cp39-win_amd64.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\PIL\_imaging.cp39-win_amd64.pyd
                        • Size 2.4MB
                        • SHA256 f76a23005363179d9d0a0ca31dfbaebf9a44a0aa37b646fc6d954d9fb06a74a7
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        VCRUNTIME140.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\VCRUNTIME140.dll
                        • Size 94KB
                        • SHA256 ded5adaa94341e6c62aea03845762591666381dca30eb7c17261dd154121b83e
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        VCRUNTIME140_1.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\VCRUNTIME140_1.dll
                        • Size 36KB
                        • SHA256 1554b5802968fdb2705a67cbb61585e9560b9e429d043a5aa742ef3c9bbfb6bf
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _asyncio.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_asyncio.pyd
                        • Size 63KB
                        • SHA256 4d6aa25d76a9739c6b6df1d36448bd8caf9b758fdf77311b8d57600c813b0c74
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _bz2.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_bz2.pyd
                        • Size 84KB
                        • SHA256 cb2b8853ccf149b0b175769cb8ed6e2f9c2cbec0af3d8835c43570fd91da1b4f
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _ctypes.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_ctypes.pyd
                        • Size 123KB
                        • SHA256 eb5ebeb25888ff124abd0db3e08577b84538e62610107fe4e008d7c188a78210
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _decimal.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_decimal.pyd
                        • Size 265KB
                        • SHA256 5f8e850820050cabe5aa36838ba9abd62a4f5d5d2aa1b337cbb795077e1d48bf
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _elementtree.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_elementtree.pyd
                        • Size 184KB
                        • SHA256 00504b5fd804596e149f475f2ad38299dede30f05b22bc4435fd823c3c165689
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _hashlib.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_hashlib.pyd
                        • Size 64KB
                        • SHA256 9a1ffa72a808fdfe88dd8f9e7083b285edf246df07c35ac032dc45d905f58fce
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _lzma.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_lzma.pyd
                        • Size 159KB
                        • SHA256 e352c77f7810ea83617ed096626ac9c3d628726def47551f90741d201c1f3b3d
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _multiprocessing.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_multiprocessing.pyd
                        • Size 29KB
                        • SHA256 b3d17b695a00e55309f892f506eb1d6cbc781271f6b08f54d4d73d5359e7f2a5
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _overlapped.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_overlapped.pyd
                        • Size 45KB
                        • SHA256 7a92db1b4f65473e44b54cc71bd2a174db86ebb1fbe642a88e7a7e10b839a2ea
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _queue.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_queue.pyd
                        • Size 28KB
                        • SHA256 3c907316271b15935ff400b65d24f229feb980a5be9cb4ad9f79f210ff0b884c
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _socket.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_socket.pyd
                        • Size 78KB
                        • SHA256 acb377fd6967b2ce819601c7d6a102d30af570eaee9e312e383f34aecd5df142
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _sqlite3.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_sqlite3.pyd
                        • Size 88KB
                        • SHA256 491c059e81d954c5dca2affab64a348213d9dc578dd8146bf07db680059bac71
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _ssl.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_ssl.pyd
                        • Size 151KB
                        • SHA256 75ae15b70eaa1950cf259fed95ade499d7c6dfefffdf4c3292c46bd24da25902
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _uuid.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\_uuid.pyd
                        • Size 23KB
                        • SHA256 e4cd5a2b7be54e858592f451b84280397aa8d6546906bc6834170a24a3857fae
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        base_library.zip

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\base_library.zip
                        • Size 711KB
                        • SHA256 62321184201a93001e1528b4cbf906e5f5ac43f44d6135481d01655d4e91b354
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        libcrypto-1_1.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\libcrypto-1_1.dll
                        • Size 3.3MB
                        • SHA256 664c3e52f914e351bb8a66ce2465ee0d40acab1d2a6b3167ae6acf6f1d1724d2
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        libffi-7.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\libffi-7.dll
                        • Size 32KB
                        • SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        libssl-1_1.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\libssl-1_1.dll
                        • Size 678KB
                        • SHA256 b7c0e42c1a60a2a062b899c8d4ebd0c50ef956177ba21785ce07c517c143aeaf
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        pyexpat.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\pyexpat.pyd
                        • Size 198KB
                        • SHA256 395540306001f1b0efc4cdb3a061d851cb0ea13279fc470428379c7ad04402a7
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        python39.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\python39.dll
                        • Size 4.3MB
                        • SHA256 8314174dacfc1c4f177be8266c78f147621cf577a39742642a76ec27e7b87b02
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        select.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\select.pyd
                        • Size 28KB
                        • SHA256 2a451074afe05260fc274fba6851f8f96cd46ad32b657d876dd55f237244b6e3
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        sqlite3.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\sqlite3.dll
                        • Size 1.5MB
                        • SHA256 d9f19e547345886c7c7f0cba3585179a3dc133a1503ba7b12c7004de3266afef
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        unicodedata.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI34562\unicodedata.pyd
                        • Size 1.1MB
                        • SHA256 3efd2cfb8f29e914e002a244b2072ad9ed595abcb9179759020f3a10c9089204
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Login Data

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\browsers\Chrome\Default\Login Data
                        • Size 40KB
                        • SHA256 06aeb2f9c1ee642348c091fb27541c143545354c273055ce30832e0f61aedf81
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Network_Cookies

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\browsers\Chrome\Default\Network_Cookies
                        • Size 20KB
                        • SHA256 2ade7ad8f15eccb025798893f007bc3a04679504411bbad75e4d1f35cf47a65e
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Web Data

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\browsers\Chrome\Default\Web Data
                        • Size 138KB
                        • SHA256 d1e2362431d3a621a0e59352e5db0311b3aeb46de43089e61b7df0bc2d357c72
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Login Data

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\browsers\Edge\Default\Login Data
                        • Size 50KB
                        • SHA256 92deb9024ca49204bb9a97b2936ac1aaf6e20e437ed40db53a5409bf801c0a20
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Network_Cookies

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\browsers\Edge\Default\Network_Cookies
                        • Size 24KB
                        • SHA256 4cc1a146d871eea502899024db7a2ff4ab46d4e787819a0fd75cc74aa7dd9926
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Web Data

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\browsers\Edge\Default\Web Data
                        • Size 256KB
                        • SHA256 b0c72944fc5bd02ac464a83ac972277e38d0dbc674f2a634c0d432bf882ef89a
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        ConvertEnter.docx

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\collected\ConvertEnter.docx
                        • Size 16KB
                        • SHA256 2dde0a3a80bc1436cb7f04714c90edc7159a6913c890c583f26a3f3b71c9ff7a
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        DisableFormat.txt

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\collected\DisableFormat.txt
                        • Size 366KB
                        • SHA256 982e30888d3d7a48f57c9ff7e81b63a748f24ad1fd0705da5edd589c12669b9c
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        ExitInvoke.xlsx

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\collected\ExitInvoke.xlsx
                        • Size 249KB
                        • SHA256 7502a09f075164431784778c5680245867e3d12fdbdd35d02948692759cd334e
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        ExportStop.png

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\collected\ExportStop.png
                        • Size 483KB
                        • SHA256 639cee185ee7ffefd389d01afbd8e35a8295a79c1472c4e546e8a6d7bfa747ad
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        RestartStep.pdf

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\collected\RestartStep.pdf
                        • Size 316KB
                        • SHA256 9d792590803704c9f2c484a6f1a13f25d0681ca6a19f54d1860a17f898afe6f7
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        desktop-20260822-204757.zip

                        • Path C:\Users\Admin\AppData\Roaming\desktop-sender\desktop-20260822-204757.zip
                        • Size 1.4MB
                        • SHA256 4f83782b3ce2e4042cae5ca7942a55d1d2d9b3bb059c80de8ef1a61f8b139340
                        • MD5 SHA1 SHA512 SSDEEP TLSH