Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 06:34

General

  • Target

    http://159.223.8.77/xc.exe

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %Temp%

  • install_file

    Display Adaptor.exe

  • pastebin_url

    https://pastebin.com/raw/nAXieb7q

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Downloads MZ/PE file
  • 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 10 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • 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
  • NTFS ADS 1 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 10 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument http://159.223.8.77/xc.exe
    1⤵
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5088
    • 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,0x100,0x104,0xd8,0x108,0x7ff8037e46f8,0x7ff8037e4708,0x7ff8037e4718
      2⤵
        PID:664
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2060 /prefetch:2
        2⤵
          PID:64
        • 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=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2112 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3984
        • 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=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2772 /prefetch:8
          2⤵
            PID:3248
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --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=3276 /prefetch:1
            2⤵
              PID:4912
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --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=3296 /prefetch:1
              2⤵
                PID:4748
              • 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=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5388 /prefetch:8
                2⤵
                  PID:4076
                • 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=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5388 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2684
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5448 /prefetch:1
                  2⤵
                    PID:3716
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5464 /prefetch:1
                    2⤵
                      PID:1384
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5636 /prefetch:8
                      2⤵
                        PID:860
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5652 /prefetch:1
                        2⤵
                          PID:1116
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5264 /prefetch:1
                          2⤵
                            PID:2768
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6032 /prefetch:1
                            2⤵
                              PID:1232
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6364 /prefetch:8
                              2⤵
                                PID:4016
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6524 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2692
                              • C:\Users\Admin\Downloads\xc.exe
                                "C:\Users\Admin\Downloads\xc.exe"
                                2⤵
                                • Checks computer location settings
                                • Drops startup file
                                • Executes dropped EXE
                                • Adds Run key to start application
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of SetWindowsHookEx
                                PID:5220
                                • C:\Windows\System32\schtasks.exe
                                  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Display Adaptor" /tr "C:\Users\Admin\AppData\Local\Temp\Display Adaptor.exe"
                                  3⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:5472
                              • C:\Users\Admin\Downloads\xc.exe
                                "C:\Users\Admin\Downloads\xc.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                PID:5360
                              • C:\Users\Admin\Downloads\xc.exe
                                "C:\Users\Admin\Downloads\xc.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                PID:5388
                              • C:\Users\Admin\Downloads\xc.exe
                                "C:\Users\Admin\Downloads\xc.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                PID:5416
                              • C:\Users\Admin\Downloads\xc.exe
                                "C:\Users\Admin\Downloads\xc.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                PID:5712
                              • C:\Users\Admin\Downloads\xc.exe
                                "C:\Users\Admin\Downloads\xc.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                PID:5740
                              • C:\Users\Admin\Downloads\xc.exe
                                "C:\Users\Admin\Downloads\xc.exe"
                                2⤵
                                • Executes dropped EXE
                                • Suspicious use of AdjustPrivilegeToken
                                PID:5768
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2028,7875560237760151156,12426421239661237187,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4164 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:5660
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3268
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:2932
                                • C:\Users\Admin\AppData\Local\Temp\Display Adaptor.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Display Adaptor.exe"
                                  1⤵
                                  • Executes dropped EXE
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:5920
                                • C:\Users\Admin\AppData\Local\Temp\Display Adaptor.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Display Adaptor.exe"
                                  1⤵
                                  • Executes dropped EXE
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:5572
                                • C:\Users\Admin\AppData\Local\Temp\Display Adaptor.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Display Adaptor.exe"
                                  1⤵
                                  • Executes dropped EXE
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:5744

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

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

                                  Filesize

                                  654B

                                  MD5

                                  2ff39f6c7249774be85fd60a8f9a245e

                                  SHA1

                                  684ff36b31aedc1e587c8496c02722c6698c1c4e

                                  SHA256

                                  e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

                                  SHA512

                                  1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

                                  Filesize

                                  152B

                                  MD5

                                  e55832d7cd7e868a2c087c4c73678018

                                  SHA1

                                  ed7a2f6d6437e907218ffba9128802eaf414a0eb

                                  SHA256

                                  a4d7777b980ec53de3a70aca8fb25b77e9b53187e7d2f0fa1a729ee9a35da574

                                  SHA512

                                  897fdebf1a9269a1bf1e3a791f6ee9ab7c24c9d75eeff65ac9599764e1c8585784e1837ba5321d90af0b004af121b2206081a6fb1b1ad571a0051ee33d3f5c5f

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

                                  Filesize

                                  152B

                                  MD5

                                  c2d9eeb3fdd75834f0ac3f9767de8d6f

                                  SHA1

                                  4d16a7e82190f8490a00008bd53d85fb92e379b0

                                  SHA256

                                  1e5efb5f1d78a4cc269cb116307e9d767fc5ad8a18e6cf95c81c61d7b1da5c66

                                  SHA512

                                  d92f995f9e096ecc0a7b8b4aca336aeef0e7b919fe7fe008169f0b87da84d018971ba5728141557d42a0fc562a25191bd85e0d7354c401b09e8b62cdc44b6dcd

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

                                  Filesize

                                  5KB

                                  MD5

                                  9fcc40f7ca6b584fd8e6d55866790eb4

                                  SHA1

                                  f74b49bde5d043730fa4235a6cb60885f7b8bbf4

                                  SHA256

                                  40684b46d49373eaeb78d0543f1c2c1b47d19ed8d6dc6bb15dc1fd5dfea7fae0

                                  SHA512

                                  d9b139dcce8cb1c7235d01cca25527226746e7269474a7aac8d0b5d125269a09d88d0022180b7c2063177989428d0825dd378eeee1cf9033673245e541765861

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

                                  Filesize

                                  6KB

                                  MD5

                                  b0837a8f566a873ceb1c0111e763be4b

                                  SHA1

                                  d78aadcdcf3edd0b3545ce8741c22b56af90ca32

                                  SHA256

                                  799433ee60109f89f5414755eeb3902e993f2f9cc4d155564f0bfb1d9a661027

                                  SHA512

                                  c29658f2e595be37fa0cf82d9876e2c8ced6255bd572f866ad2998140ec62e64a851313d0b57f5a2d51117d6c199b5697a0011a125e9e5b1233a6f0c8111fb63

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

                                  Filesize

                                  6KB

                                  MD5

                                  94ec597c7b504a6e31cecaf83f0b0e41

                                  SHA1

                                  5156331e0d6191002deb098c4ff6bf6e4e0ebbeb

                                  SHA256

                                  dad5dbf0c7c649d478ae0acfa07dfad558c251801729e0fd2ab064d787e1360a

                                  SHA512

                                  9f7e94e16b4a00e8aee49c4413be3726ce8845e86eff94fbdce4e1488d6854c7de6efd2d9863f40ae9153c2f7c45c74175d0b1a41d4c7ec4b068e77a2dfe8a68

                                • 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\Edge\User Data\Local State

                                  Filesize

                                  10KB

                                  MD5

                                  b1951a8a600a9beb15f7d5f3f394f46c

                                  SHA1

                                  00c93c9f68aff7a72795f2f61c1dcf1aeedd18ca

                                  SHA256

                                  7c1713277ff0506c31fc8c814469862541ec4abee40f2778161efa39f3520a63

                                  SHA512

                                  288b063069e2b81a517e363d2155547be79ac6b2a0edd2c5c14f13bc8a3cfad60ad0c739a89c659b73f004c83837d46ad2966507670e9c055a4d909e1b328eda

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

                                  Filesize

                                  10KB

                                  MD5

                                  ec0a38993e5fdae36ee82f0626bd9dcf

                                  SHA1

                                  a9d22f28aefadde9a621b616ac2e4effc1ec69c0

                                  SHA256

                                  2a04b6e0578784857681c6631055fcebb74f4d1f93dc8b98f5262b3b3490b672

                                  SHA512

                                  d81ebff4382aff14656f0f854ea2619207aa6d4a7a5531413414d48a163d54d601081c5bfc5c924ac1a983c85dc8226d90cad97b655c9ba58f7de3724e841a95

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

                                  Filesize

                                  10KB

                                  MD5

                                  be81f7d8c041f79b0a3875f47e3b004c

                                  SHA1

                                  7030c98777df3ecab890f048f61c5b68b5087db4

                                  SHA256

                                  3a645a8a5a623709b9e7cfc575a89c40e3af07a6e9822062ae6c747c3f411eb3

                                  SHA512

                                  bd1c3b2d297c25ad330b66cb4c181380fdcdcdd0561cf748a384e95c013612d81d6c6f2152662812b2c613aaace47c8fa6450ac8704fedf649bbb5d53ad801f0

                                • C:\Users\Admin\Downloads\Unconfirmed 527576.crdownload

                                  Filesize

                                  76KB

                                  MD5

                                  5eb65c546c8316d69f0af325b23ea73c

                                  SHA1

                                  09a167c2f77b60773695f6ca88d983b1e88d54e5

                                  SHA256

                                  80ef44390c0e2863d56bc494fabd7dc250631c55bfae814f0b5e86c74dbfbd21

                                  SHA512

                                  8903247f10ec6f226c6c6229c90eeeeab271e2b5998e5ce1706f32a8429783b733accfb8afae73a41768562a85d834a525d71bedb9d10d77575633dcd3c12f2f

                                • memory/5220-75-0x0000000000170000-0x000000000018A000-memory.dmp

                                  Filesize

                                  104KB