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Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/11/2024, 20:12

General

  • Target

    https://gofile.io/d/IEnlBM

Malware Config

Extracted

Family

xworm

Version

5.0

C2

4.tcp.eu.ngrok.io:15632

Mutex

4Wh0Wnq7T5DJJNh3

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Downloads MZ/PE file
  • Executes dropped EXE 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.

  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://gofile.io/d/IEnlBM
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5108
    • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffd73293cb8,0x7ffd73293cc8,0x7ffd73293cd8
      2⤵
        PID:4552
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1928 /prefetch:2
        2⤵
          PID:2372
        • 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=1916,7436599915510945112,4890287291006758042,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2288 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1308
        • 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=1916,7436599915510945112,4890287291006758042,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2640 /prefetch:8
          2⤵
            PID:4968
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --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=3220 /prefetch:1
            2⤵
              PID:3384
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --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=3244 /prefetch:1
              2⤵
                PID:4316
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --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=2996 /prefetch:1
                2⤵
                  PID:3424
                • 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.UtilWin --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4028 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1736
                • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5180 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4632
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5160 /prefetch:1
                  2⤵
                    PID:4948
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --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=4684 /prefetch:1
                    2⤵
                      PID:2748
                    • 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=1916,7436599915510945112,4890287291006758042,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5684 /prefetch:8
                      2⤵
                        PID:3924
                      • 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=1916,7436599915510945112,4890287291006758042,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5456 /prefetch:8
                        2⤵
                        • Subvert Trust Controls: Mark-of-the-Web Bypass
                        • NTFS ADS
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4248
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4572 /prefetch:1
                        2⤵
                          PID:1852
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --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=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5532 /prefetch:1
                          2⤵
                            PID:4796
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4760 /prefetch:1
                            2⤵
                              PID:1904
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --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=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4644 /prefetch:1
                              2⤵
                                PID:3048
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1916,7436599915510945112,4890287291006758042,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1188 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2328
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1204
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:1220
                                • C:\Windows\System32\rundll32.exe
                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                  1⤵
                                    PID:1976
                                  • C:\Users\Admin\Downloads\TZ.exe
                                    "C:\Users\Admin\Downloads\TZ.exe"
                                    1⤵
                                    • Executes dropped EXE
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:4464
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
                                    1⤵
                                      PID:4448

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

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

                                      Filesize

                                      152B

                                      MD5

                                      e1544690d41d950f9c1358068301cfb5

                                      SHA1

                                      ae3ff81363fcbe33c419e49cabef61fb6837bffa

                                      SHA256

                                      53d69c9cc3c8aaf2c8b58ea6a2aa47c49c9ec11167dd9414cd9f4192f9978724

                                      SHA512

                                      1e4f1fe2877f4f947d33490e65898752488e48de34d61e197e4448127d6b1926888de80b62349d5a88b96140eed0a5b952ef4dd7ca318689f76e12630c9029da

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

                                      Filesize

                                      152B

                                      MD5

                                      9314124f4f0ad9f845a0d7906fd8dfd8

                                      SHA1

                                      0d4f67fb1a11453551514f230941bdd7ef95693c

                                      SHA256

                                      cbd58fa358e4b1851c3da2d279023c29eba66fb4d438c6e87e7ce5169ffb910e

                                      SHA512

                                      87b9060ca4942974bd8f95b8998df7b2702a3f4aba88c53b2e3423a532a75407070368f813a5bbc0251864b4eae47e015274a839999514386d23c8a526d05d85

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                      Filesize

                                      288B

                                      MD5

                                      aedcb2aec1ea52d88c31457b35263e64

                                      SHA1

                                      b42712428c1eab1432b1406111d02199a93d9be0

                                      SHA256

                                      b6aa8b0de8e85e5122732030d38b3a6fc6340fdbd76b7b575ba0cf28d70ba2bf

                                      SHA512

                                      c7824b17fbc89512cda71fce127d8502f55e6115b5d00754b1ce61d9fd1e5642dee7c8e0b88489618e35ff9aac17b8ee42bd8bbf34c83a225f4ba9a97e3ccbf9

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

                                      Filesize

                                      391B

                                      MD5

                                      ab275d2f26e9f1f7bddfd70d4a6c83b0

                                      SHA1

                                      fc2f34a41fde8c1efefa22a4752ed10e05d535f8

                                      SHA256

                                      4f4d38c0d6fe7b3375b7ef066d3a80a7b04271803725757754253ec5dcd372bf

                                      SHA512

                                      f8d9fee45a9174ef588730aa31c01159fa0aeca2b1dd1d8c016a5697271e83339f6d503e321d28ee4797ab8ff282c7d3aa081370914b749c4b41c034b7b9c921

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

                                      Filesize

                                      6KB

                                      MD5

                                      abba5f1c85ab0d60dffaf7bf745ef6b9

                                      SHA1

                                      149747e04e50bab2b6fad50e01f6ba1d46c6480a

                                      SHA256

                                      fa8a5c29591fb15b1bd882f6195d28c55af64727ee53040d14a6f539ca54b1c5

                                      SHA512

                                      0fb5cdc18e52a0dd4975a666094b13065f4dcf65c8195d84ec120c918c5fce8c93c2ee36aa26f641ac7ad04fbc3b6945e664f0d4cbe8b0245e1a8f74f2d04a0f

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

                                      Filesize

                                      5KB

                                      MD5

                                      a2015f36f193c38cb9cdd3102ea3fa55

                                      SHA1

                                      39cdf39079ea2657561d5d9dcc0f18c8850f46e6

                                      SHA256

                                      6c92c5c19936051d01239948303e899fbed73a0706db5becb27be67caabf3c41

                                      SHA512

                                      3a149becc63a82ca01ca1fd11c23c3367245c609b9c918c1f41207528084132f2e301e9fe9413b2060485bd0a7011485037b3ed0b729ab6cc16f5d2e802210c6

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

                                      Filesize

                                      6KB

                                      MD5

                                      9203cf03b47475e0be41a590f370a06b

                                      SHA1

                                      d6f00b4d385dcf5cf270873f566bd8e6224e8161

                                      SHA256

                                      d7ff6b19b0bdef6b805663958e78c7ea1b36c2b0e2f11644f7dbc53719a335fd

                                      SHA512

                                      4a10c6ad8a5ea3b5364763d413f032db80351e54b1e96102d5705c23a0e10d57b28ea1652260a5ea480855b90fbfde0f500e02c21abcf8a1ffa8be89c1aa827d

                                    • 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

                                      11KB

                                      MD5

                                      e361f6b903d410e571d7a379e372b4df

                                      SHA1

                                      4381afe2b5620a91dcec9156d44d63315702fba7

                                      SHA256

                                      0b8ef7b79de485bec3a17e20f742c24770eac2a629cb9efc684b1c50c1f97179

                                      SHA512

                                      f2b7c7d5348e21d7b9d8178cd466bab87cb097f894e334505a3e7a13c9cb659ff32a2c55824579393312ec044d4b1e8aecbc8ba8432d6048a0c552629a6c2542

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

                                      Filesize

                                      11KB

                                      MD5

                                      fe8051f603f7d63bb992e0dec7bc74ff

                                      SHA1

                                      010151020566129dbb5e7be6aba412805f2e82f3

                                      SHA256

                                      734dbe94018b0b14636b0809ac885e5a19312ea01557d91ca56df92380b85bec

                                      SHA512

                                      b0219ebc5d2df94a3f6f43d79a5d21ffcad6227fbc855a3b65f108907ab762dc62256fbfa206715282a10c081fde34d23f45be8025eb1881d5810284c269541e

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

                                      Filesize

                                      11KB

                                      MD5

                                      1e86705cd15c883eb13d658ed74c78e3

                                      SHA1

                                      3c6974addff37bc000c2c1a0b5562bea83bc2b38

                                      SHA256

                                      f38b6f46f84d67c6e9fe292e72af80ba988f4e32da9017605ba692805c2003f6

                                      SHA512

                                      3dce70569d5d674ba68ceec85796cf9684e62ecd3fdee9ebccc208e86165bea7fd630999055a875d7b6f72f2287fb754a2fd32ea2b32373ec04ba8ca61374fa8

                                    • C:\Users\Admin\Downloads\TZ.exe:Zone.Identifier

                                      Filesize

                                      149B

                                      MD5

                                      634be1cfbd35f12e6b98b317932eebc8

                                      SHA1

                                      6015255cbe34b4f5c9dc44fa6cc4116087f64dc2

                                      SHA256

                                      fd12109cbb405691b75eacef2bc344e8f25a398cb93ab483bafe4e0fdd1341f6

                                      SHA512

                                      1c130854ada950c02158d224b8c71ba54d6b00dfced201505aedb65533093c8575bff207e728b73664108952fb051ae6a5f7030d3a3b382979a58c75d0d348d7

                                    • C:\Users\Admin\Downloads\Unconfirmed 858272.crdownload

                                      Filesize

                                      45KB

                                      MD5

                                      2173e07478a7869ec8e416d452d62f8b

                                      SHA1

                                      afd8364af7eea67941c41f4e76915824b048dd67

                                      SHA256

                                      e5efef5f1c7bc1deb5a15b959d99633d38f3503642ec6a1c8e1b2ae95b8d0f81

                                      SHA512

                                      85981bbc722a2635002ef83e456e044618f1374cea69c90e3a3ad482cf32665799ae65ade7a8ba548ad4596eb5a82417bd2e96c18c6fb50e697642fb7e373a74

                                    • memory/4464-96-0x00000000008C0000-0x00000000008D2000-memory.dmp

                                      Filesize

                                      72KB