Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/09/2026, 23:11

General

  • Target
    file.exe
  • Size 733KB
  • Sample260916-26cttstyft
  • SHA256 3feb5b6941b766f05d36adc9e2de9a3f631e9722d4bf083c2de4c0d5ff5208e2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • phantom_stealer

Version
  • v3.5.0

Credentials
Mutex
  • Q48K5S2K6OEJTRJEK22R

Attributes
  • anti_analysis

    0

  • cb_enables_ssl

    1

  • debug

    0

  • keylogger

    1

  • start_delay

    0

  • startup

    0

Signatures

  • Family: PhantomStealer

    Phantom Stealer is a stealer written in C#, forked from the Stealerium family.

  • Detects PhantomStealer written in C# 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Costura .NET executable packer 1 IoCs

    Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:4548
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --no-sandbox --allow-no-sandbox-job --disable-gpu --mute-audio --disable-audio --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx"
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4752
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Crashpad --metrics-dir=C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffd29d2c728,0x7ffd29d2c734,0x7ffd29d2c740
        3⤵
          PID:3320
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx" --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --use-gl=angle --use-angle=swiftshader-webgl --metrics-shmem-handle=1696,i,11479714761332811692,3224180888430899940,262144 --field-trial-handle=1944,i,6458264619763362036,7777795528341981818,262144 --variations-seed-version --mojo-platform-channel-handle=1940 /prefetch:2
          3⤵
            PID:1356
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-sandbox --mute-audio --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx" --force-high-res-timeticks=disabled --metrics-shmem-handle=2024,i,12969699350462363715,16991108412841556889,524288 --field-trial-handle=1944,i,6458264619763362036,7777795528341981818,262144 --variations-seed-version --mojo-platform-channel-handle=1980 /prefetch:3
            3⤵
            • System Time Discovery
            PID:4340
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-sandbox --mute-audio --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx" --force-high-res-timeticks=disabled --metrics-shmem-handle=2148,i,10034687794875485734,5881744925151357710,524288 --field-trial-handle=1944,i,6458264619763362036,7777795528341981818,262144 --variations-seed-version --mojo-platform-channel-handle=2224 /prefetch:8
            3⤵
              PID:3016
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx" --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --no-sandbox --disable-gpu-compositing --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=6 --metrics-shmem-handle=2892,i,15208827661487985545,5105905030265516940,2097152 --field-trial-handle=1944,i,6458264619763362036,7777795528341981818,262144 --variations-seed-version --mojo-platform-channel-handle=2928 /prefetch:1
              3⤵
                PID:1872
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx" --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --no-sandbox --disable-gpu-compositing --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 --metrics-shmem-handle=2896,i,4304601639596699038,4246864555921485077,2097152 --field-trial-handle=1944,i,6458264619763362036,7777795528341981818,262144 --variations-seed-version --mojo-platform-channel-handle=2888 /prefetch:1
                3⤵
                  PID:3296
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx" --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --no-sandbox --disable-gpu-compositing --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=7 --metrics-shmem-handle=3128,i,17293352150460877782,17803224021726636628,2097152 --field-trial-handle=1944,i,6458264619763362036,7777795528341981818,262144 --variations-seed-version --mojo-platform-channel-handle=3164 /prefetch:1
                  3⤵
                    PID:4796
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx" --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --no-sandbox --disable-gpu-compositing --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=8 --metrics-shmem-handle=3140,i,17069379032689704510,1313954018167808618,2097152 --field-trial-handle=1944,i,6458264619763362036,7777795528341981818,262144 --variations-seed-version --mojo-platform-channel-handle=3176 /prefetch:2
                    3⤵
                      PID:3340
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx" --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --no-sandbox --disable-gpu-compositing --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=9 --metrics-shmem-handle=3748,i,12609773842808810673,18158649733016521182,2097152 --field-trial-handle=1944,i,6458264619763362036,7777795528341981818,262144 --variations-seed-version --mojo-platform-channel-handle=3892 /prefetch:1
                      3⤵
                        PID:1424
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx" --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --no-sandbox --disable-gpu-compositing --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=10 --metrics-shmem-handle=4116,i,17327355177504943456,11272655951796245527,2097152 --field-trial-handle=1944,i,6458264619763362036,7777795528341981818,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:2
                        3⤵
                          PID:4248
                    • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
                      1⤵
                        PID:4636

                      Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            settings.dat

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Crashpad\settings.dat
                            • Size 40B
                            • SHA256 3835b73c7cfd1549f81ebf8823f022dcf8288c47482da7dbeb986b05bc0dfab0
                            • MD5 SHA1 SHA512

                            index

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Cache\Cache_Data\index
                            • Size 256KB
                            • SHA256 11edfa3a3c16d530991a5a3caf7ffd8a0cfeda44ea00710dbdd8b963c7f446e4
                            • MD5 SHA1 SHA512 SSDEEP

                            ba678a2fbd8c358c_0

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Code Cache\js\ba678a2fbd8c358c_0
                            • Size 298B
                            • SHA256 8744c746057357460ff7d45a86c2d5d5b75904390f6b704f5c0ff665c9ec4db6
                            • MD5 SHA1 SHA512 TLSH

                            index

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Code Cache\js\index
                            • Size 24B
                            • SHA256 fbcfe23a2ecb82b7100c50811691dde0a33aa3da8d176be9882a9db485dc0f2d
                            • MD5 SHA1 SHA512

                            the-real-index

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Code Cache\js\index-dir\the-real-index
                            • Size 48B
                            • SHA256 6aa80c42cdc0fb981da6635a590d512a304191153f9a1847e85785f486a5a81f
                            • MD5 SHA1 SHA512

                            the-real-index

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Code Cache\wasm\index-dir\the-real-index
                            • Size 48B
                            • SHA256 c1120022471d8b44dbdcc2357bcbd4a715b505cfc2770d5ea3962a3c460b56e4
                            • MD5 SHA1 SHA512

                            index

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\DawnGraphiteCache\index
                            • Size 256KB
                            • SHA256 33794ca94727c6e5f99258bffe2ddcb3d2089259510dfef9838d7fb456538969
                            • MD5 SHA1 SHA512 SSDEEP

                            index

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\DawnWebGPUCache\index
                            • Size 256KB
                            • SHA256 003a4e31aa5c75abf88320fbc278befed006f9990e502166371479e51edf05e5
                            • MD5 SHA1 SHA512 SSDEEP

                            index

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\GPUCache\index
                            • Size 256KB
                            • SHA256 899926ae367209051e3262e437c97961588f2843c2640810073d8edfd77d5c24
                            • MD5 SHA1 SHA512 SSDEEP

                            LOG

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Local Storage\leveldb\LOG
                            • Size 277B
                            • SHA256 c45f819baada4bf8448d68d403e3070398df88eda8a736f37a47ff7cea60341b
                            • MD5 SHA1 SHA512 TLSH

                            Cookies-journal

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Network\Cookies-journal
                            • Size 512B
                            • SHA256 4d6e81a0ff8f200bf9fce156ec9af5b69e3222a5547588c10a33fa64c1ce3b83
                            • MD5 SHA1 SHA512

                            Reporting and NEL

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Network\Reporting and NEL
                            • Size 12KB
                            • SHA256 44ff665cfd6ae79e54fd82f1da037adb5f4c3cf790138faf98d46a756d9b3c9a
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            Reporting and NEL-journal

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Network\Reporting and NEL-journal
                            • Size 512B
                            • SHA256 b861f81001db38661be3cd5f03c0c8cb2041c46663cec97fd0542eda01da74a6
                            • MD5 SHA1 SHA512

                            Trust Tokens-journal

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Network\Trust Tokens-journal
                            • Size 512B
                            • SHA256 e4e402133c9788ef09169c5b6738089faeeb90d374a08c9aef53a957e5e0cb16
                            • MD5 SHA1 SHA512

                            Preferences

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Preferences
                            • Size 3KB
                            • SHA256 4299ac0bc559ba816b1328dbcff31339a94443f53f3933dd9a79445e568d28e1
                            • MD5 SHA1 SHA512 TLSH

                            Safe Browsing Cookies

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Safe Browsing Network\Safe Browsing Cookies
                            • Size 20KB
                            • SHA256 2ade7ad8f15eccb025798893f007bc3a04679504411bbad75e4d1f35cf47a65e
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            000003.log

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Session Storage\000003.log
                            • Size 61B
                            • SHA256 5c3a5b578ab9fe853ead7040bc161929ea4f6902073ba2b8bb84487622b98923
                            • MD5 SHA1 SHA512 TLSH

                            LOG

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Session Storage\LOG
                            • Size 267B
                            • SHA256 55bf254b3b36e7b2d38a71042531fc5e0282e6d149814cc321de5ffa7db646b1
                            • MD5 SHA1 SHA512 TLSH

                            the-real-index

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Shared Dictionary\cache\index-dir\the-real-index
                            • Size 48B
                            • SHA256 748af45b1bb4a25f027b1a165d1c407aa4de8ffb42bf4663974ae7d3f0ede5e8
                            • MD5 SHA1 SHA512

                            db

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Shared Dictionary\db
                            • Size 44KB
                            • SHA256 b08af7745c49533422c5afb2e683b61ab1b025a2ef13f892321a2cd1383fba79
                            • MD5 SHA1 SHA512 SSDEEP TLSH

                            CURRENT

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\Site Characteristics Database\CURRENT
                            • Size 16B
                            • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                            • MD5 SHA1 SHA512

                            MANIFEST-000001

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\Default\shared_proto_db\metadata\MANIFEST-000001
                            • Size 41B
                            • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                            • MD5 SHA1 SHA512

                            data_0

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\GrShaderCache\data_0
                            • Size 8KB
                            • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                            • MD5 SHA1 SHA512 SSDEEP

                            data_2

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\GrShaderCache\data_2
                            • Size 8KB
                            • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                            • MD5 SHA1 SHA512 SSDEEP

                            data_3

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\GrShaderCache\data_3
                            • Size 8KB
                            • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                            • MD5 SHA1 SHA512 SSDEEP

                            data_1

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\GraphiteDawnCache\data_1
                            • Size 264KB
                            • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                            • MD5 SHA1 SHA512 SSDEEP

                            index

                            • Path C:\Users\Admin\AppData\Local\Temp\xg1slvwk.hsx\GraphiteDawnCache\index
                            • Size 256KB
                            • SHA256 8645750e21df2b7743929a4d98bb61ba780b8edbc85730bf9863662470af8296
                            • MD5 SHA1 SHA512 SSDEEP

                            memory/3320-12-0x00000202D1070000-0x00000202D112E000-memory.dmp

                            memory/4548-174-0x00000299F4AA0000-0x00000299F4AC2000-memory.dmp

                            memory/4548-0-0x00000299D9A40000-0x00000299D9AFE000-memory.dmp

                            memory/4548-7-0x00000299F3F90000-0x00000299F3FAE000-memory.dmp

                            memory/4548-6-0x00000299F5320000-0x00000299F5848000-memory.dmp

                            memory/4548-5-0x00000299F4A50000-0x00000299F4AA0000-memory.dmp

                            memory/4548-4-0x00000299F4AD0000-0x00000299F4B46000-memory.dmp

                            memory/4548-3-0x00000299F4C20000-0x00000299F4DE2000-memory.dmp

                            memory/4548-2-0x00000299F49A0000-0x00000299F4A52000-memory.dmp

                            memory/4548-1-0x00000299F3FE0000-0x00000299F3FF0000-memory.dmp

                            memory/4548-178-0x00000299F3FE0000-0x00000299F3FF0000-memory.dmp