Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 11:13

General

  • Target
    CatlavanLauncher-1.2 (1).exe
  • Size 1.4MB
  • Sample260804-nbspxaydld
  • SHA256 e3ba19bcffda3f29f312cada50d445ae886ea89aa29b31d117f0edea38cb6f77
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CatlavanLauncher-1.2 (1).exe
    "C:\Users\Admin\AppData\Local\Temp\CatlavanLauncher-1.2 (1).exe"
    1⤵
    • Downloads MZ/PE file
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Sk3dGuardNew\launcher_base.exe
      "C:\Sk3dGuardNew\launcher_base.exe" iwHH7QvoBKGyXsYm;ft6qdw9Pt1uUMmk3ecAHvizWUHHWWvEDxv1bR1tSGP0JdNMQaTVPeTIYwUYAI2haCGijTWFtHyUy0iltaLg0l3TGcm+KnXwIRfw=;
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1208
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=launcher_base.exe --user-data-dir="C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=1208.948.1110240017971459783
        3⤵
        • Drops file in Program Files directory
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of WriteProcessMemory
        PID:4248
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x15c,0x160,0x164,0x138,0x16c,0x7ff8f378b078,0x7ff8f378b084,0x7ff8f378b090
          4⤵
            PID:2096
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView" --webview-exe-name=launcher_base.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1732,i,3933451903024546678,9586550923097609081,262144 --variations-seed-version --mojo-platform-channel-handle=1836 /prefetch:2
            4⤵
              PID:4372
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView" --webview-exe-name=launcher_base.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2156,i,3933451903024546678,9586550923097609081,262144 --variations-seed-version --mojo-platform-channel-handle=2160 /prefetch:3
              4⤵
                PID:1596
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView" --webview-exe-name=launcher_base.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2440,i,3933451903024546678,9586550923097609081,262144 --variations-seed-version --mojo-platform-channel-handle=2456 /prefetch:8
                4⤵
                  PID:228
                • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                  "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView" --webview-exe-name=launcher_base.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=" --always-read-main-dll --field-trial-handle=3664,i,3933451903024546678,9586550923097609081,262144 --variations-seed-version --mojo-platform-channel-handle=3672 /prefetch:1
                  4⤵
                    PID:2420
                  • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                    "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView" --webview-exe-name=launcher_base.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=4400,i,3933451903024546678,9586550923097609081,262144 --variations-seed-version --mojo-platform-channel-handle=4396 /prefetch:8
                    4⤵
                      PID:1632

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    manifest.fingerprint

                    • Path C:\Program Files\chrome_Unpacker_BeginUnzipping4248_1119806624\manifest.fingerprint
                    • Size 66B
                    • SHA256 e84df839eb3dee2a10ba66de65c372c6e2bba0cbab46a39af041f4eeaab1ffe8
                    • MD5 SHA1 SHA512 TLSH

                    manifest.json

                    • Path C:\Program Files\chrome_Unpacker_BeginUnzipping4248_1119806624\manifest.json
                    • Size 135B
                    • SHA256 bf066a2cf10074e847bef7c066a9c84deada6586412e181cb417c6426a5d60a4
                    • MD5 SHA1 SHA512 TLSH

                    protocols.json

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\AutoLaunchProtocolsComponent\1.0.0.12\protocols.json
                    • Size 3KB
                    • SHA256 2edf732da5fd827859e7a1a5b69a4a622cfc416f60a6ae04154d5aad3a1bccec
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 648207016975fa00505a7c02556c65026832ad8bf8614039a7d4113ece282704
                    • MD5 SHA1 SHA512 TLSH

                    settings.dat

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Crashpad\settings.dat
                    • Size 280B
                    • SHA256 40f9dab4da34738ae1642d15a3baa1211179e5852381ef1d93fc6bec94ef4c0d
                    • MD5 SHA1 SHA512

                    throttle_store.dat

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Crashpad\throttle_store.dat
                    • Size 20B
                    • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                    • MD5 SHA1 SHA512

                    76cb28c3-abb5-4409-9fbf-c25e0303be14.tmp

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\76cb28c3-abb5-4409-9fbf-c25e0303be14.tmp
                    • Size 6KB
                    • SHA256 535ad2a3c6ffdfd1d158c6ac83081be665eaa7e48dd7299c8497aa40fe58b770
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    data_0

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\DawnWebGPUCache\data_0
                    • Size 8KB
                    • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                    • MD5 SHA1 SHA512 SSDEEP

                    data_1

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\DawnWebGPUCache\data_1
                    • Size 264KB
                    • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                    • MD5 SHA1 SHA512 SSDEEP

                    data_2

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\DawnWebGPUCache\data_2
                    • Size 8KB
                    • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                    • MD5 SHA1 SHA512 SSDEEP

                    data_3

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\DawnWebGPUCache\data_3
                    • Size 8KB
                    • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                    • MD5 SHA1 SHA512 SSDEEP

                    MANIFEST-000001

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\Extension Rules\MANIFEST-000001
                    • Size 41B
                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                    • MD5 SHA1 SHA512

                    Network Persistent State

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\Network\Network Persistent State
                    • Size 111B
                    • SHA256 5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026
                    • MD5 SHA1 SHA512 TLSH

                    Network Persistent State~RFe59b915.TMP

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\Network\Network Persistent State~RFe59b915.TMP
                    • Size 59B
                    • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
                    • MD5 SHA1 SHA512 TLSH

                    SCT Auditing Pending Reports

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\Network\SCT Auditing Pending Reports
                    • Size 2B
                    • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                    • MD5 SHA1 SHA512

                    Preferences~RFe593138.TMP

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\Preferences~RFe593138.TMP
                    • Size 6KB
                    • SHA256 67d997c8f7c8395cf4f15db3e8f15282d4aa939dd1f74608d663ee6ac7bf68c8
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    CURRENT

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Default\Site Characteristics Database\CURRENT
                    • Size 16B
                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                    • MD5 SHA1 SHA512

                    Local State

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Local State
                    • Size 6KB
                    • SHA256 f96b6cd693cd2e38a7825821b3bd714fbcd308cd982909568eb4fa1bf5a5e5da
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Local State
                    • Size 1KB
                    • SHA256 6c0e9782a410e0667772cd490bc60fcbf09b393a7c1f5d30912f23e9fd6f0b41
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Local State
                    • Size 2KB
                    • SHA256 0dfa9076d8719ad83d8b8976789d3cfd9e8958083fcbd95194be586b52cce434
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Local State
                    • Size 3KB
                    • SHA256 4eed950169259e8f4ce6e2bec78d508303b7d89feeeced6a1627027ee7f04078
                    • MD5 SHA1 SHA512 TLSH

                    Local State

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Local State
                    • Size 5KB
                    • SHA256 118dfe93d33ca5d7fe9915c2e94faa299dd8e4c2930ee2994f370c44e99b9093
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Local State
                    • Size 5KB
                    • SHA256 8c63d8b457caee05b0e2fe657e44e642a7ecac24a07584b034b46cd7afafa196
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Local State
                    • Size 6KB
                    • SHA256 0e8e232c3ccd0745d5e00226cbd1fbb13ff18f413913e59261bfa41db932ddb7
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    Local State~RFe589296.TMP

                    • Path C:\Sk3dGuardNew\clients\Catlavan\.webview2_cache\EBWebView\Local State~RFe589296.TMP
                    • Size 1KB
                    • SHA256 64048ddeaef786cb6cd6c37c90c94ae1f10ead57307b4445d5b0b08621608515
                    • MD5 SHA1 SHA512 TLSH

                    launcher-log.txt

                    • Path C:\Sk3dGuardNew\launcher-log.txt
                    • Size 292B
                    • SHA256 b4ba2aa23d53a2903da1b75925502d118390f5d0f189830d5b12925bf10e6a3f
                    • MD5 SHA1 SHA512 TLSH

                    launcher_base.exe

                    • Path C:\Sk3dGuardNew\launcher_base.exe
                    • Size 18.2MB
                    • SHA256 cafa62fa75017b60e0994e530510c5180d8bb86301ff36215a4a87b5b8c5fe97
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    memory/228-125-0x00007FF90EBF0000-0x00007FF90EBF1000-memory.dmp

                    memory/228-126-0x00007FF910500000-0x00007FF910501000-memory.dmp

                    memory/1140-0-0x00007FF7FE8B0000-0x00007FF7FEB7F000-memory.dmp

                    memory/1140-10-0x00007FF7FE8B0000-0x00007FF7FEB7F000-memory.dmp

                    memory/1140-1-0x00007FF7FE8B0000-0x00007FF7FEB7F000-memory.dmp

                    memory/1140-4-0x00007FF7FEA67000-0x00007FF7FEB53000-memory.dmp

                    memory/1140-2-0x00007FF7FE8B0000-0x00007FF7FEB7F000-memory.dmp

                    memory/1140-6-0x00007FF7FE8B0000-0x00007FF7FEB7F000-memory.dmp

                    memory/1140-5-0x0000025C849B0000-0x0000025C849B1000-memory.dmp

                    memory/1140-7-0x00007FF7FE8B0000-0x00007FF7FEB7F000-memory.dmp

                    memory/1140-9-0x00007FF7FE8B0000-0x00007FF7FEB7F000-memory.dmp

                    memory/1140-11-0x00007FF7FE8B0000-0x00007FF7FEB7F000-memory.dmp

                    memory/1140-12-0x00007FF7FE8B0000-0x00007FF7FEB7F000-memory.dmp

                    memory/1208-42-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-36-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-33-0x0000024454400000-0x0000024454401000-memory.dmp

                    memory/1208-28-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-41-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-30-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-37-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-29-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-39-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-32-0x00007FF68794F000-0x00007FF6885CE000-memory.dmp

                    memory/1208-40-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-35-0x00007FF686D10000-0x00007FF688B06000-memory.dmp

                    memory/1208-34-0x0000024454410000-0x0000024454411000-memory.dmp

                    memory/2420-272-0x000001A98AE30000-0x000001A98AEDC000-memory.dmp

                    memory/2420-175-0x00007FF910070000-0x00007FF910071000-memory.dmp

                    memory/4372-75-0x00007FF910070000-0x00007FF910071000-memory.dmp

                    memory/4372-269-0x0000014FBC340000-0x0000014FBC3EC000-memory.dmp