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Resubmissions

22/09/2024, 09:23

240922-lcmh6ssclm 9

21/09/2024, 08:10

240921-j2tbxasfjj 9

21/09/2024, 07:38

240921-jggsda1gjl 9

28/07/2024, 17:11

240728-vp9c5syajh 10

18/06/2024, 14:08

240618-rfnhjaxanf 10

Analysis

  • max time kernel
    148s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 08:10

General

  • Target

    WZAgent.exe

  • Size

    26.2MB

  • MD5

    4cf978f2749291d8d9a722cf8bd9d9ea

  • SHA1

    2580a9be8bc6994987cc4951a4690efd7077ea92

  • SHA256

    ea8779bb436427af92289d75ee7510e1784bf6772729091abcc350cdf773058c

  • SHA512

    d1ba2ea6a06cf5241bd26319b7bd2da7cb3ca0453496703fa66413cc56edf9893414a970dfb67451cfb85ef735305986958ba852287b3dc63b7cf28ab351d61d

  • SSDEEP

    786432:Ov1EWULlsocwpd3XHEquH6rdEePFG/7vG43EY6:Ov1EWusor8j6r714

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Obfuscated with Agile.Net obfuscator 5 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Themida packer 18 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 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
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 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\WZAgent.exe
    "C:\Users\Admin\AppData\Local\Temp\WZAgent.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Users\Admin\AppData\Local\Temp\ZipExtractor.exe
      "C:\Users\Admin\AppData\Local\Temp\ZipExtractor.exe" --input C:\Users\Admin\AppData\Local\Temp\WZAgent.zip --output C:\Users\Admin\AppData\Local\Temp --current-exe C:\Users\Admin\AppData\Local\Temp\WZAgent.exe --updated-exe WZAgent.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Users\Admin\AppData\Local\Temp\WZAgent.exe
        "C:\Users\Admin\AppData\Local\Temp\WZAgent.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        PID:588
  • 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:2088
    • 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,0x7fef57e9758,0x7fef57e9768,0x7fef57e9778
      2⤵
        PID:1204
      • 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=1164 --field-trial-handle=1288,i,6514054172490452407,2683596228284745400,131072 /prefetch:2
        2⤵
          PID:1784
        • 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=1508 --field-trial-handle=1288,i,6514054172490452407,2683596228284745400,131072 /prefetch:8
          2⤵
            PID:448
          • 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=1612 --field-trial-handle=1288,i,6514054172490452407,2683596228284745400,131072 /prefetch:8
            2⤵
              PID:1892
            • 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=1608 --field-trial-handle=1288,i,6514054172490452407,2683596228284745400,131072 /prefetch:1
              2⤵
                PID:1236
              • 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=2284 --field-trial-handle=1288,i,6514054172490452407,2683596228284745400,131072 /prefetch:1
                2⤵
                  PID:660
                • 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=1316 --field-trial-handle=1288,i,6514054172490452407,2683596228284745400,131072 /prefetch:2
                  2⤵
                    PID:2736
                  • 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=3228 --field-trial-handle=1288,i,6514054172490452407,2683596228284745400,131072 /prefetch:1
                    2⤵
                      PID:2688
                  • 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:1584

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

                      Filesize

                      342B

                      MD5

                      ba8be3fca96a397a34c9f9b2bbb623ac

                      SHA1

                      cdd9969a42782a0d0631c3beb2bab57b88fa2a23

                      SHA256

                      97cda5f7b181d4c377ae36d12e011db6415ca0545c6ce7b9ba3a4eb51fd717ec

                      SHA512

                      ca6fdb58dfb7706e5510311748f4c7e5d2558d80444edc8b95ff208f178716a57b2474494f6975f4c2791cd9a3b67fa091810380adc733fc80fc964093c46103

                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\3dd37ba0-8bcc-4b4c-a868-641dc9b0dac6.tmp

                      Filesize

                      341KB

                      MD5

                      5e5677e4906e1159d6473f3257e38542

                      SHA1

                      87c6761c4687a878c1f923efc5291e137468bf32

                      SHA256

                      8daeaf6b08c590b6f43efb399b1443b7cafbd6607e52d9840fa5a694fb531e05

                      SHA512

                      1ac276652e8744ed196590b4f2f68c6b478cc0dec7076e8b28a5e03bd92ad13f16453869f23bffa0473b738f170cc2aa07b77fb7e71a28c739db4287bcf1a52e

                    • 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\000007.dbtmp

                      Filesize

                      16B

                      MD5

                      18e723571b00fb1694a3bad6c78e4054

                      SHA1

                      afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                      SHA256

                      8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                      SHA512

                      43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                    • C:\Users\Admin\AppData\Local\Temp\883e7960-a7ed-4b7f-b414-8446eabbb7d5\AgileDotNetRT64.dll

                      Filesize

                      4.0MB

                      MD5

                      8e839b26c5efed6f41d6e854e5e97f5b

                      SHA1

                      5cb71374f72bf6a63ff65a6cda57ff66c3e54836

                      SHA256

                      1f2489fcd11f85db723f977f068988e81ed28581a4aec352ba4a2dc31419a011

                      SHA512

                      92446d7c2ccf41408d0a6be604b9aba3050192b40be887c2cee8f9aea0bd855503d6b827a8bdd554addd8d7c8ec947033f49060db493f756c3b2b70c04a17093

                    • C:\Users\Admin\AppData\Local\Temp\Cab7F8C.tmp

                      Filesize

                      70KB

                      MD5

                      49aebf8cbd62d92ac215b2923fb1b9f5

                      SHA1

                      1723be06719828dda65ad804298d0431f6aff976

                      SHA256

                      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                      SHA512

                      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                    • C:\Users\Admin\AppData\Local\Temp\WZAgent.zip

                      Filesize

                      28.1MB

                      MD5

                      7908d2ae983310b8d30bd332c00189b4

                      SHA1

                      874b30d386ba1f6644ff1287e2eeb782d9a9e759

                      SHA256

                      15d8b52eb4181b1c4ab1b2ba78898f9eb50de78d1c22d5d6281cb07e6f6f91b8

                      SHA512

                      a6f9d4dd82c97afc6238c9408fa9c27dcaffca36f5dbf60efd8a32918a0e2ff42eb21fe0feb2c5de480bd8a9996d4ba21a9e47643faea0c41de3277a4d8d4b68

                    • C:\Users\Admin\AppData\Local\Temp\ZipExtractor.exe

                      Filesize

                      99KB

                      MD5

                      6c8a405b8243837682378cfbefa92001

                      SHA1

                      21a120c6fcca8aff536cb896586131376497bc86

                      SHA256

                      a76c4d20c78a6b0e563567a215e14a05525c316bf4eb92e7d11de7e24ae0b7c2

                      SHA512

                      12a75d7c4f9af4209a673c994609a15f464368e24eb61e8251a3f8c32a371825809f8197ea47428a150bc0c8ca7b5278c88c63cf9c20a7e60a95f4f98eea3de7

                    • \Users\Admin\AppData\Local\Temp\WZAgent.exe

                      Filesize

                      28.3MB

                      MD5

                      1b31864d1dd63f9ebb768da2cd340e9c

                      SHA1

                      2d56fff3f73bc880e614467341fdeab9474ffae7

                      SHA256

                      4b91eb1c4d27fee6d634c73e0d550024c144ca8eff9f64d03f87011fe35cd3eb

                      SHA512

                      4c9423460476835d15ec57d0571e35ad7551f11181063b1730d5f0ad88c841ad22aeda1f1311089335892e52456f322cf0ac5d1df86209cd9e6b6f004fe9b856

                    • memory/588-80-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/588-86-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/588-239-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/588-100-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/588-98-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/588-94-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/588-84-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/588-78-0x0000000004A50000-0x0000000004AC6000-memory.dmp

                      Filesize

                      472KB

                    • memory/588-77-0x0000000020080000-0x00000000210E0000-memory.dmp

                      Filesize

                      16.4MB

                    • memory/588-76-0x000007FEF5E90000-0x000007FEF5FBC000-memory.dmp

                      Filesize

                      1.2MB

                    • memory/588-67-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/588-59-0x0000000000400000-0x00000000027EC000-memory.dmp

                      Filesize

                      35.9MB

                    • memory/588-58-0x0000000000400000-0x00000000027EC000-memory.dmp

                      Filesize

                      35.9MB

                    • memory/2288-0-0x0000000000400000-0x0000000002606000-memory.dmp

                      Filesize

                      34.0MB

                    • memory/2288-27-0x000007FEF63B0000-0x000007FEF64DC000-memory.dmp

                      Filesize

                      1.2MB

                    • memory/2288-17-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/2288-45-0x0000000000400000-0x0000000002606000-memory.dmp

                      Filesize

                      34.0MB

                    • memory/2288-41-0x000007FEFD1C0000-0x000007FEFD22C000-memory.dmp

                      Filesize

                      432KB

                    • memory/2288-15-0x000007FEFD1C0000-0x000007FEFD22C000-memory.dmp

                      Filesize

                      432KB

                    • memory/2288-7-0x000007FEFD1C0000-0x000007FEFD22C000-memory.dmp

                      Filesize

                      432KB

                    • memory/2288-43-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/2288-44-0x000007FEFD1C0000-0x000007FEFD22C000-memory.dmp

                      Filesize

                      432KB

                    • memory/2288-29-0x0000000002D20000-0x0000000002D96000-memory.dmp

                      Filesize

                      472KB

                    • memory/2288-1-0x000007FEFD1D3000-0x000007FEFD1D4000-memory.dmp

                      Filesize

                      4KB

                    • memory/2288-28-0x000000001FDE0000-0x0000000020C38000-memory.dmp

                      Filesize

                      14.3MB

                    • memory/2288-14-0x000007FEEDF50000-0x000007FEEEA79000-memory.dmp

                      Filesize

                      11.2MB

                    • memory/2288-32-0x0000000000400000-0x0000000002606000-memory.dmp

                      Filesize

                      34.0MB

                    • memory/2288-31-0x000007FEFD1C0000-0x000007FEFD22C000-memory.dmp

                      Filesize

                      432KB

                    • memory/2288-30-0x0000000020C40000-0x0000000020E32000-memory.dmp

                      Filesize

                      1.9MB

                    • memory/2288-6-0x0000000000400000-0x0000000002606000-memory.dmp

                      Filesize

                      34.0MB

                    • memory/2288-5-0x0000000000400000-0x0000000002606000-memory.dmp

                      Filesize

                      34.0MB

                    • memory/2288-2-0x000007FEFD1C0000-0x000007FEFD22C000-memory.dmp

                      Filesize

                      432KB

                    • memory/2560-54-0x000000001CEC0000-0x000000001F2AC000-memory.dmp

                      Filesize

                      35.9MB

                    • memory/2560-40-0x0000000000130000-0x000000000014E000-memory.dmp

                      Filesize

                      120KB