Analysis

  • max time kernel
    123s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2024 12:26

General

  • Target

    XClient.exe

  • Size

    169KB

  • MD5

    5295e6e63d9ba5e51d537df2ef93a95c

  • SHA1

    8412fae03a631b2efe6cd477932872d3c75eedab

  • SHA256

    56d6e266596ba01b68c7545918cc666a2e23b5bb6878da70334b38c5cb1981fd

  • SHA512

    6175683a1c192a851b11901e3638c824fd81f7248c2901fa2cf703b1267645a6e40fdaf111ba15656ee25aba7e3ac29b34590ddb2a49356c973e2814137d2c0a

  • SSDEEP

    1536:qvDX04YtQQanlgpiUFoKkb1XMn6mVzpasWI46UZVtfvTOSRRRJxEq:qX0xYaoKkb1XHqwsW7ZVRbOSRzJxEq

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:42975

20.ip.gl.ply.gg:42975

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2140
    • 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\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1928
    • 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:2968
    • 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\svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2468
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1192
    • 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\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7feef8b9758,0x7feef8b9768,0x7feef8b9778
      2⤵
        PID:2760
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1140 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:2
        2⤵
          PID:1856
        • 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 --mojo-platform-channel-handle=1476 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:8
          2⤵
            PID:1092
          • 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=utility --mojo-platform-channel-handle=1636 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:8
            2⤵
              PID:936
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=1324 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:1
              2⤵
                PID:1120
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2292 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:1
                2⤵
                  PID:2240
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=2736 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:2
                  2⤵
                    PID:1080
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3192 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:1
                    2⤵
                      PID:856
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3436 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:8
                      2⤵
                        PID:2988
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3548 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:8
                        2⤵
                          PID:848
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3520 --field-trial-handle=1392,i,12418700346323826387,11516248553480774846,131072 /prefetch:8
                          2⤵
                            PID:2680
                        • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                          1⤵
                            PID:976

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\0d55e5eb-9327-40a7-9c85-d26d94bafdbf.tmp

                            Filesize

                            301KB

                            MD5

                            6ba90567a66a21049febc4022be950fe

                            SHA1

                            c17a8b8ae20570747a31517b9651de23ff7744af

                            SHA256

                            f3025172061f20e1d140631c7573c6e326dd7bb62e805886fe63fc915cd15fef

                            SHA512

                            760f60d50b7c5a8e96096fe53abb161eb175af11b33abc19168fb2ac1fe88551e82fed7506835c30294242c47165e1de892b87b784cb2914967c1318b8f18c3c

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                            Filesize

                            16B

                            MD5

                            aefd77f47fb84fae5ea194496b44c67a

                            SHA1

                            dcfbb6a5b8d05662c4858664f81693bb7f803b82

                            SHA256

                            4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                            SHA512

                            b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                            Filesize

                            264KB

                            MD5

                            f50f89a0a91564d0b8a211f8921aa7de

                            SHA1

                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                            SHA256

                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                            SHA512

                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\CURRENT

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MW7UCNAR8H573K544GA4.temp

                            Filesize

                            7KB

                            MD5

                            71dbd8fffc6ab13d792d25a1221c06ee

                            SHA1

                            4b6bf62f5e0c9709384c7bb83c5832f3d544870d

                            SHA256

                            2660a46c32f489360f5f70cdaec5cf7784ba9642bf478dee62582720b6663a64

                            SHA512

                            cd4793f4c6edd575f1b902beeb69e0f6192fa700457f6c9cc0cb1530a6b83bd282466a1821b4a31418e45bf290ecb0e541b50b88952c6282da5713f717ca8925

                          • memory/1928-8-0x0000000002810000-0x0000000002818000-memory.dmp

                            Filesize

                            32KB

                          • memory/1928-7-0x000000001B520000-0x000000001B802000-memory.dmp

                            Filesize

                            2.9MB

                          • memory/1928-6-0x0000000002930000-0x00000000029B0000-memory.dmp

                            Filesize

                            512KB

                          • memory/2140-0-0x000007FEF51C3000-0x000007FEF51C4000-memory.dmp

                            Filesize

                            4KB

                          • memory/2140-32-0x0000000001120000-0x00000000011A0000-memory.dmp

                            Filesize

                            512KB

                          • memory/2140-33-0x000007FEF51C3000-0x000007FEF51C4000-memory.dmp

                            Filesize

                            4KB

                          • memory/2140-34-0x0000000001120000-0x00000000011A0000-memory.dmp

                            Filesize

                            512KB

                          • memory/2140-1-0x00000000011D0000-0x0000000001200000-memory.dmp

                            Filesize

                            192KB

                          • memory/2968-14-0x000000001B640000-0x000000001B922000-memory.dmp

                            Filesize

                            2.9MB

                          • memory/2968-15-0x00000000020F0000-0x00000000020F8000-memory.dmp

                            Filesize

                            32KB