Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-11-2024 15:12

General

  • Target

    https://cdn.discordapp.com/attachments/1308949442098893035/1309170828382048256/PrivateLoader.exe?ex=67409bd8&is=673f4a58&hm=d9250fc1ccebb9d0458e1b2d34e5e39f3fa743d576feb41f3e989543465f18af&

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

  • 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
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 37 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://cdn.discordapp.com/attachments/1308949442098893035/1309170828382048256/PrivateLoader.exe?ex=67409bd8&is=673f4a58&hm=d9250fc1ccebb9d0458e1b2d34e5e39f3fa743d576feb41f3e989543465f18af&
    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:5728
    • 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=0x100,0x104,0x108,0x48,0x10c,0x7ffac1093cb8,0x7ffac1093cc8,0x7ffac1093cd8
      2⤵
        PID:2972
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1948,8953291115922895263,9149031347569570395,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1956 /prefetch:2
        2⤵
          PID:3420
        • 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=1948,8953291115922895263,9149031347569570395,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2368 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3136
        • 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=1948,8953291115922895263,9149031347569570395,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2800 /prefetch:8
          2⤵
            PID:3100
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,8953291115922895263,9149031347569570395,131072 --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=3272 /prefetch:1
            2⤵
              PID:1044
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,8953291115922895263,9149031347569570395,131072 --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=3292 /prefetch:1
              2⤵
                PID:2308
              • 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=1948,8953291115922895263,9149031347569570395,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5276 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:5536
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,8953291115922895263,9149031347569570395,131072 --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=4656 /prefetch:1
                2⤵
                  PID:4880
                • 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=1948,8953291115922895263,9149031347569570395,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5748 /prefetch:8
                  2⤵
                    PID:1124
                  • 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=1948,8953291115922895263,9149031347569570395,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5808 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:920
                  • 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=1948,8953291115922895263,9149031347569570395,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5428 /prefetch:8
                    2⤵
                    • Subvert Trust Controls: Mark-of-the-Web Bypass
                    • NTFS ADS
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2568
                  • C:\Users\Admin\Downloads\PrivateLoader.exe
                    "C:\Users\Admin\Downloads\PrivateLoader.exe"
                    2⤵
                    • Executes dropped EXE
                    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=1948,8953291115922895263,9149031347569570395,131072 --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=5940 /prefetch:1
                    2⤵
                      PID:4936
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,8953291115922895263,9149031347569570395,131072 --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=5972 /prefetch:1
                      2⤵
                        PID:4952
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,8953291115922895263,9149031347569570395,131072 --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=4040 /prefetch:1
                        2⤵
                          PID:4536
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,8953291115922895263,9149031347569570395,131072 --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=5412 /prefetch:1
                          2⤵
                            PID:5684
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1948,8953291115922895263,9149031347569570395,131072 --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=6416 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3492
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:5272
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4544

                            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

                              3d68c7edc2a288ee58e6629398bb9f7c

                              SHA1

                              6c1909dea9321c55cae38b8f16bd9d67822e2e51

                              SHA256

                              dfd733ed3cf4fb59f2041f82fdf676973783ffa75b9acca095609c7d4f73587b

                              SHA512

                              0eda66a07ec4cdb46b0f27d6c8cc157415d803af610b7430adac19547e121f380b9c6a2840f90fe49eaea9b48fa16079d93833c2bcf4b85e3c401d90d464ad2f

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

                              Filesize

                              152B

                              MD5

                              c03d23a8155753f5a936bd7195e475bc

                              SHA1

                              cdf47f410a3ec000e84be83a3216b54331679d63

                              SHA256

                              6f5f7996d9b0e131dc2fec84859b7a8597c11a67dd41bdb5a5ef21a46e1ae0ca

                              SHA512

                              6ea9a631b454d7e795ec6161e08dbe388699012dbbc9c8cfdf73175a0ecd51204d45cf28a6f1706c8d5f1780666d95e46e4bc27752da9a9d289304f1d97c2f41

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

                              Filesize

                              186B

                              MD5

                              094ab275342c45551894b7940ae9ad0d

                              SHA1

                              2e7ce26fe2eb9be641ae929d0c9cc0dfa26c018e

                              SHA256

                              ef1739b833a1048ee1bd55dcbac5b1397396faca1ad771f4d6c2fe58899495a3

                              SHA512

                              19d0c688dc1121569247111e45de732b2ab86c71aecdde34b157cfd1b25c53473ed3ade49a97f8cb2ddc4711be78fa26c9330887094e031e9a71bb5c29080b0d

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

                              Filesize

                              5KB

                              MD5

                              686348d873fc3c8b6e5c04f78122e96b

                              SHA1

                              95015619026e6d12b232155e0ed7d3ffa8bf01d0

                              SHA256

                              3af10bb488fa1c9c2ef0325c0dbc4adf6c2cd6d6f135d3cd73dbcd176bdf871c

                              SHA512

                              f5cec03fe1692d59380dc331dec99a99fd6b88a044745e057e9b8d36ff820327a7eae769c333cd244e438a343513b05761b1ab7a3917b5419c2c5d0b6ee21871

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

                              Filesize

                              5KB

                              MD5

                              ffdab887b2e50c4e70e3790b25e3026b

                              SHA1

                              052d9cdbb132d1adbe9295a0c9bac19f9d75c1b5

                              SHA256

                              a53a800c6800ad4321a8e461f764d0b9c476cd2795841eba6129ff8c18043ade

                              SHA512

                              c876d496f5d1bb99a1ad394026500880e47bdbd81d9c9185dce64fb77ee82c00a8e7c3e1532bb986717702c2ffd80ce6eeac3ab8c75db01be92e7d5b214c240e

                            • 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

                              5e624ce6d9194d9e8dd7b5963f2c75ca

                              SHA1

                              3416eaa8e9341f6417b7738bb8f88bbe7cafb43c

                              SHA256

                              9b435e39e03c8a9cce449aeb75a55713e6efe579203cce7f80a736a4493545e2

                              SHA512

                              f340278ae3f3cbc6a53c835ffd59be2fb46a3125fd9767c83f3e510a49e8753c0abee18c701f2c823139a106db7cc57be1ee0defae8e95bbe3309c7cc02c9820

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

                              Filesize

                              26B

                              MD5

                              fbccf14d504b7b2dbcb5a5bda75bd93b

                              SHA1

                              d59fc84cdd5217c6cf74785703655f78da6b582b

                              SHA256

                              eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913

                              SHA512

                              aa1d2b1ea3c9de3ccadb319d4e3e3276a2f27dd1a5244fe72de2b6f94083dddc762480482c5c2e53f803cd9e3973ddefc68966f974e124307b5043e654443b98

                            • C:\Users\Admin\Downloads\Unconfirmed 211548.crdownload

                              Filesize

                              6.5MB

                              MD5

                              a0d8f6fddc41161005589dac3ed3fbae

                              SHA1

                              3810340786e0ec2ea33bfd8451f4919f2c5f139a

                              SHA256

                              494f75d0d8774751764ce794d54b4ab26050e29420067a7e191ff8878610df78

                              SHA512

                              c81043b146ed2ea2ac44b8b84af4bd3d7616674ccb0e208726a7fed94d39329fe3ef1d510bd59784c7b057e3e77c0ee45efb175f95b5166c507f04f11a847093