Analysis

  • max time kernel
    203s
  • max time network
    203s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/05/2024, 00:25

General

  • Target
    http://temp.sh/VxgsU/test.exe
  • Sample240507-aq3xjaab21

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 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" --single-argument http://temp.sh/VxgsU/test.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:952
    • 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,0x7ff95eb93cb8,0x7ff95eb93cc8,0x7ff95eb93cd8
      2⤵
        PID:3508
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1928 /prefetch:2
        2⤵
          PID:4588
        • 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=1920,13578484731922196149,13546208939635937492,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2024 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2096
        • 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=1920,13578484731922196149,13546208939635937492,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2524 /prefetch:8
          2⤵
            PID:4928
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --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=3204 /prefetch:1
            2⤵
              PID:1756
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --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=3212 /prefetch:1
              2⤵
                PID:544
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --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=4644 /prefetch:1
                2⤵
                  PID:2460
                • 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=1920,13578484731922196149,13546208939635937492,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3208 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:444
                • 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=1920,13578484731922196149,13546208939635937492,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5176 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:944
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --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=5416 /prefetch:1
                  2⤵
                    PID:4020
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3548 /prefetch:1
                    2⤵
                      PID:2556
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --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=5124 /prefetch:1
                      2⤵
                        PID:2520
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5660 /prefetch:1
                        2⤵
                          PID:4476
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --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=5868 /prefetch:1
                          2⤵
                            PID:1836
                          • 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=1920,13578484731922196149,13546208939635937492,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6008 /prefetch:8
                            2⤵
                              PID:1824
                            • 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=1920,13578484731922196149,13546208939635937492,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5788 /prefetch:8
                              2⤵
                              • NTFS ADS
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3340
                            • C:\Users\Admin\Downloads\test.exe
                              "C:\Users\Admin\Downloads\test.exe"
                              2⤵
                              • Executes dropped EXE
                              • Adds Run key to start application
                              • Checks whether UAC is enabled
                              • Drops file in Program Files directory
                              • NTFS ADS
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious behavior: GetForegroundWindowSpam
                              • Suspicious use of AdjustPrivilegeToken
                              PID:1992
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks.exe" /create /f /tn "DPI Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC4B7.tmp"
                                3⤵
                                • Creates scheduled task(s)
                                PID:1544
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks.exe" /create /f /tn "DPI Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC506.tmp"
                                3⤵
                                • Creates scheduled task(s)
                                PID:3748
                            • C:\Users\Admin\Downloads\test.exe
                              "C:\Users\Admin\Downloads\test.exe"
                              2⤵
                              • Executes dropped EXE
                              PID:2100
                            • C:\Users\Admin\Downloads\test.exe
                              "C:\Users\Admin\Downloads\test.exe"
                              2⤵
                              • Executes dropped EXE
                              PID:5076
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1920,13578484731922196149,13546208939635937492,131072 --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=2512 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2964
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4000
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3896

                              Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    test.exe.log

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\test.exe.log
                                    • Size 496B
                                    • SHA256 a4e29c5cbf8acd8b9bca612e3f6f99de4fe126286ee3d765e1192999460eb8a8
                                    • MD5 SHA1 SHA512

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 152B
                                    • SHA256 f49e20af78caf0d737f6dbcfc5cc32701a35eb092b3f0ab24cf339604cb049b5
                                    • MD5 SHA1 SHA512

                                    settings.dat

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                    • Size 152B
                                    • SHA256 9a24c67c3ec89f5cf8810eba1fdefc7775044c71ed78a8eb51c8d2225ad1bc4c
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                    • Size 5KB
                                    • SHA256 d8087275b674a478487a0052fa1f6a1f84f590bd99868495926007930f5a7ccc
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                    • Size 6KB
                                    • SHA256 a305b624c26ef8e1893430a5b7e339c64b72d5b23abc792cf4de01b188d26a7e
                                    • MD5 SHA1 SHA512 SSDEEP

                                    CURRENT

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                    • Size 16B
                                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                    • MD5 SHA1 SHA512

                                    CURRENT

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                    • Size 16B
                                    • SHA256 1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167
                                    • MD5 SHA1 SHA512

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 11KB
                                    • SHA256 dd5d30e370db12871d113aef2c2d3ad700cc1e4c2fc0a10bc5aa3f20e2c0c362
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                    • Size 11KB
                                    • SHA256 6cea95dcfa6b6bb396dc53ee58f4d69b71dba8367a48dafe24ef88e76f2d4ef9
                                    • MD5 SHA1 SHA512 SSDEEP

                                    tmpC4B7.tmp

                                    • Path C:\Users\Admin\AppData\Local\Temp\tmpC4B7.tmp
                                    • Size 1KB
                                    • SHA256 989fb9c40eddeeceba07516afd449164dec5b10e88de29670a9feab7217f502c
                                    • MD5 SHA1 SHA512

                                    tmpC506.tmp

                                    • Path C:\Users\Admin\AppData\Local\Temp\tmpC506.tmp
                                    • Size 1KB
                                    • SHA256 3ee6ae0dca5c4564f13e70f2a70ecbe979c9d9d575cd9762f15039aaa3823a86
                                    • MD5 SHA1 SHA512

                                    Unconfirmed 787649.crdownload

                                    • Path C:\Users\Admin\Downloads\Unconfirmed 787649.crdownload
                                    • Size 203KB
                                    • SHA256 3f73cfff83369f8696a451ce2c03a2eed2696a3cdca321dd03c34c70d21fec49
                                    • MD5 SHA1 SHA512 SSDEEP

                                    test.exe:Zone.Identifier

                                    • Path C:\Users\Admin\Downloads\test.exe:Zone.Identifier
                                    • Size 110B
                                    • SHA256 f6d7a30ec64ce32a921acf7b8ee55935553f43f11edc520dbb63a8c3a57f93c7
                                    • MD5 SHA1 SHA512