Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-01-2025 20:53

General

  • Target

    vlz.exe

  • Size

    335KB

  • MD5

    1c3d5b401cebef06499718e000aa6c2b

  • SHA1

    2f337e0fe1562aea14c4256afd47bce049e79f3c

  • SHA256

    aa3dabbac106353d10a29feef610256139771ae6bd70c86204623fc827dcb659

  • SHA512

    f7d069f73b7b423123352ce100668608ae430151ceeddc0df542508b93ce7c4c3310bda4e8488888d9f425dfd26c0db4bd8070f0128697d23ffd44fdfdb42093

  • SSDEEP

    6144:vWQLUqb9Bh+GIIIIIIIhIIIIIIIIIIIIIIIU:XLHBa

Malware Config

Extracted

Family

xworm

C2

its-definitely.gl.at.ply.gg:32735

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\vlz.exe
    "C:\Users\Admin\AppData\Local\Temp\vlz.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\vlz.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4892
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'vlz.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:376
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3952
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1864
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3764
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://gofile.io/d/GTLYai
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5040
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff8e55446f8,0x7ff8e5544708,0x7ff8e5544718
        3⤵
          PID:3464
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /prefetch:2
          3⤵
            PID:4404
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2200 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4976
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2872 /prefetch:8
            3⤵
              PID:2356
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3348 /prefetch:1
              3⤵
                PID:2900
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3364 /prefetch:1
                3⤵
                  PID:316
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4688 /prefetch:1
                  3⤵
                    PID:1236
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5148 /prefetch:8
                    3⤵
                      PID:3896
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5148 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2592
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5256 /prefetch:1
                      3⤵
                        PID:2572
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5280 /prefetch:1
                        3⤵
                          PID:1564
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5492 /prefetch:1
                          3⤵
                            PID:116
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,8167133473748699396,12392350223137229727,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5540 /prefetch:1
                            3⤵
                              PID:412
                        • C:\Users\Admin\AppData\Roaming\XClient.exe
                          C:\Users\Admin\AppData\Roaming\XClient.exe
                          1⤵
                          • Executes dropped EXE
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2764
                        • C:\Users\Admin\AppData\Roaming\XClient.exe
                          C:\Users\Admin\AppData\Roaming\XClient.exe
                          1⤵
                          • Executes dropped EXE
                          • Suspicious use of AdjustPrivilegeToken
                          PID:4828
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:64
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4892

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log

                              Filesize

                              654B

                              MD5

                              2ff39f6c7249774be85fd60a8f9a245e

                              SHA1

                              684ff36b31aedc1e587c8496c02722c6698c1c4e

                              SHA256

                              e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

                              SHA512

                              1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

                            • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                              Filesize

                              2KB

                              MD5

                              d85ba6ff808d9e5444a4b369f5bc2730

                              SHA1

                              31aa9d96590fff6981b315e0b391b575e4c0804a

                              SHA256

                              84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

                              SHA512

                              8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                              Filesize

                              152B

                              MD5

                              f426165d1e5f7df1b7a3758c306cd4ae

                              SHA1

                              59ef728fbbb5c4197600f61daec48556fec651c1

                              SHA256

                              b68dfc21866d0abe5c75d70acc54670421fa9b26baf98af852768676a901b841

                              SHA512

                              8d437fcb85acb0705bf080141e7a021740901248985a76299ea8c43e46ad78fb88c738322cf302f6a550caa5e79d85b36827e9b329b1094521b17cf638c015b6

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                              Filesize

                              152B

                              MD5

                              6960857d16aadfa79d36df8ebbf0e423

                              SHA1

                              e1db43bd478274366621a8c6497e270d46c6ed4f

                              SHA256

                              f40b812ce44e391423eb66602ac0af138a1e948aa8c4116045fef671ef21cd32

                              SHA512

                              6deb2a63055a643759dd0ae125fb2f68ec04a443dbf8b066a812b42352bbcfa4517382ed0910c190c986a864559c3453c772e153ee2e9432fb2de2e1e49ca7fe

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                              Filesize

                              5KB

                              MD5

                              a9018ae80413a84293d3b7055a2b9942

                              SHA1

                              6318095d0a0a6d36080ae3664f7d19e5780478f9

                              SHA256

                              b0c9f27066e17d50f544247fff2db6defdb64e5ecadff1483d496fb341b1bb67

                              SHA512

                              72f08089909037b416b5afa3d4204e92e7b87e53b75225879dcb5c17b320196b0ae46cc9db5b50e539927bd56f168789d17f438e78c4099e03e141778ab3654c

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                              Filesize

                              16B

                              MD5

                              6752a1d65b201c13b62ea44016eb221f

                              SHA1

                              58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                              SHA256

                              0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                              SHA512

                              9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                            • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                              Filesize

                              944B

                              MD5

                              d28a889fd956d5cb3accfbaf1143eb6f

                              SHA1

                              157ba54b365341f8ff06707d996b3635da8446f7

                              SHA256

                              21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

                              SHA512

                              0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

                            • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                              Filesize

                              944B

                              MD5

                              ba169f4dcbbf147fe78ef0061a95e83b

                              SHA1

                              92a571a6eef49fff666e0f62a3545bcd1cdcda67

                              SHA256

                              5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1

                              SHA512

                              8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c

                            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_etivfaef.ank.ps1

                              Filesize

                              60B

                              MD5

                              d17fe0a3f47be24a6453e9ef58c94641

                              SHA1

                              6ab83620379fc69f80c0242105ddffd7d98d5d9d

                              SHA256

                              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                              SHA512

                              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                            • C:\Users\Admin\AppData\Roaming\XClient.exe

                              Filesize

                              335KB

                              MD5

                              1c3d5b401cebef06499718e000aa6c2b

                              SHA1

                              2f337e0fe1562aea14c4256afd47bce049e79f3c

                              SHA256

                              aa3dabbac106353d10a29feef610256139771ae6bd70c86204623fc827dcb659

                              SHA512

                              f7d069f73b7b423123352ce100668608ae430151ceeddc0df542508b93ce7c4c3310bda4e8488888d9f425dfd26c0db4bd8070f0128697d23ffd44fdfdb42093

                            • memory/2364-57-0x00007FF8CE2F3000-0x00007FF8CE2F5000-memory.dmp

                              Filesize

                              8KB

                            • memory/2364-58-0x00007FF8CE2F0000-0x00007FF8CEDB1000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/2364-59-0x0000000001550000-0x000000000155C000-memory.dmp

                              Filesize

                              48KB

                            • memory/2364-0-0x00007FF8CE2F3000-0x00007FF8CE2F5000-memory.dmp

                              Filesize

                              8KB

                            • memory/2364-2-0x00007FF8CE2F0000-0x00007FF8CEDB1000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/2364-1-0x0000000000D30000-0x0000000000D8A000-memory.dmp

                              Filesize

                              360KB

                            • memory/4892-18-0x00007FF8CE2F0000-0x00007FF8CEDB1000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/4892-15-0x00007FF8CE2F0000-0x00007FF8CEDB1000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/4892-14-0x00007FF8CE2F0000-0x00007FF8CEDB1000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/4892-3-0x000002389F290000-0x000002389F2B2000-memory.dmp

                              Filesize

                              136KB

                            • memory/4892-4-0x00007FF8CE2F0000-0x00007FF8CEDB1000-memory.dmp

                              Filesize

                              10.8MB