Analysis

  • max time kernel
    47s
  • max time network
    59s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/08/2024, 15:20

General

  • Target

    Byte Guard Free.exe

  • Size

    2.4MB

  • MD5

    32eee970bec927fd068197918edac5a4

  • SHA1

    8aa4820931aa228856f12fc516f886dab4d12e28

  • SHA256

    53eeff9f4fa0473d90cf4abe978ff60d5898d2527924a593ef877303cab88a5b

  • SHA512

    d47d2fbc9d4b9a47d0b5b1076aaa89b20ba72a9625e9fcfd57f000bc14abc11aff60123667bbb6998fa5bdff65b7207f410cc6008207fc2362db1d99c80afbe8

  • SSDEEP

    49152:3Ls8e8SkGMITYbNbNWo4kSH3OqtwI2MrBm6w30IfRaRf:3PecGMIT4bNJFY3OqtxdmDDJef

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 6 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Byte Guard Free.exe
    "C:\Users\Admin\AppData\Local\Temp\Byte Guard Free.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4060
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://discord.gg/g3pH5NZESD
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3724
      • 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,0x100,0x104,0xd8,0x108,0x7ffaa84546f8,0x7ffaa8454708,0x7ffaa8454718
        3⤵
          PID:4816
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2036,13231907814718313930,1515931166184156958,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2052 /prefetch:2
          3⤵
            PID:5060
          • 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=2036,13231907814718313930,1515931166184156958,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2104 /prefetch:3
            3⤵
              PID:1516
            • 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=2036,13231907814718313930,1515931166184156958,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2876 /prefetch:8
              3⤵
                PID:3512
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,13231907814718313930,1515931166184156958,131072 --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=3348 /prefetch:1
                3⤵
                  PID:3524
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,13231907814718313930,1515931166184156958,131072 --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=3364 /prefetch:1
                  3⤵
                    PID:2880
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,13231907814718313930,1515931166184156958,131072 --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=4988 /prefetch:1
                    3⤵
                      PID:4388
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2036,13231907814718313930,1515931166184156958,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5244 /prefetch:8
                      3⤵
                        PID:1768
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=2036,13231907814718313930,1515931166184156958,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=3512 /prefetch:8
                        3⤵
                        • Modifies registry class
                        PID:4472
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:4852
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:4456
                      • C:\Windows\System32\rundll32.exe
                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                        1⤵
                          PID:4908

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

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

                          Filesize

                          152B

                          MD5

                          719923124ee00fb57378e0ebcbe894f7

                          SHA1

                          cc356a7d27b8b27dc33f21bd4990f286ee13a9f9

                          SHA256

                          aa22ab845fa08c786bd3366ec39f733d5be80e9ac933ed115ff048ff30090808

                          SHA512

                          a207b6646500d0d504cf70ee10f57948e58dab7f214ad2e7c4af0e7ca23ce1d37c8c745873137e6c55bdcf0f527031a66d9cc54805a0eac3678be6dd497a5bbc

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

                          Filesize

                          152B

                          MD5

                          d7114a6cd851f9bf56cf771c37d664a2

                          SHA1

                          769c5d04fd83e583f15ab1ef659de8f883ecab8a

                          SHA256

                          d2c75c7d68c474d4b8847b4ba6cfd09fe90717f46dd398c86483d825a66e977e

                          SHA512

                          33bdae2305ae98e7c0de576de5a6600bd70a425e7b891d745cba9de992036df1b3d1df9572edb0f89f320e50962d06532dae9491985b6b57fd37d5f46f7a2ff8

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

                          Filesize

                          456B

                          MD5

                          c8b45fe9dde18f4679b9b92c949e0ab3

                          SHA1

                          b71f626103a1295bff56c21ae0739d24e501dffe

                          SHA256

                          f00945da3f772b0e7cc72b5441395398a2cbbd50fcc03a0d154331a17720fcf6

                          SHA512

                          85aea56e3b8382f3adce990aebc00846beb58961c5b74a63adca9f3d32f8bd88e761ed769b0500dc3f4782a5d19954d259d9b15fa23bd47bec9ee90a2d3b7d89

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

                          Filesize

                          5KB

                          MD5

                          b12c31e61dbf886bbaee6e3b4289bbd8

                          SHA1

                          0104cc3c1b38edbadefd43f2fdedd1a885c229dd

                          SHA256

                          ac08d342cd36aa4b341700dbe3629ba7e133c9034fa62d2c043ee3119a6ab58a

                          SHA512

                          4172194e56806832a910636f2b5cf216450665c34765db53633ec81f501f8cfdbb040b64d145fa1829357fd45048a9219f3aba8d3353d7b62c880f3123254a9c

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

                          Filesize

                          6KB

                          MD5

                          6228e634290d50e9bf49f24e002f3b36

                          SHA1

                          5f1480815aaae5d49741628248dd70a8e190494a

                          SHA256

                          4c6ec7f9643a287d1029c92f24ffab9b45b85a5176e27941ebe8d3af24d869ca

                          SHA512

                          d95edbc70bc65232e6439197455f94a86c810a0778ba8ae70c2376767674e7920fe0b05cdb24dcea8bef29aa46391565040daba74d2b34a7ff1fb9a0b9fd7ca7

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

                          Filesize

                          370B

                          MD5

                          f81a798240e3837e05a77589f4ab8c80

                          SHA1

                          f397aacd74cd3335ce5aef84d61baa87df342146

                          SHA256

                          945174458b404900ed025d0f210e0245febf7a3c56f88979f0a1e0560e757ab1

                          SHA512

                          a5835155a8589ea93402a906e832ad5e6e5e94853b988a47c1f191c6f7e28d64f872c34abbcba251dd99e5fb95252f2fb9824a20adf74cebf1d5b54373c4a648

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe58392c.TMP

                          Filesize

                          370B

                          MD5

                          11a0f3d0ced7d2a6c03b84963226cf17

                          SHA1

                          c01ae0437e4ac29e1161da23d265571893e4bbd0

                          SHA256

                          124e991d0d7890e022b1dff536db1cd8e3224af006aeedcfd4241c2696dd0dff

                          SHA512

                          b75993a9c53f3263643f334142c29225a5fd8dff3446c175db908c1b5ee46b207b520cf538705c39c12fd9b24794947eaa8c2f6708d13f3f5abd462e5a349caa

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

                          Filesize

                          10KB

                          MD5

                          d0094dcb14d3180980e114e241d85bcf

                          SHA1

                          fb3faca47c40c90dc458d667ec1a73b9b41842e8

                          SHA256

                          181f9670f08e92b6a94e9187a37e0432aec0e2cda06dc60e9b4917c78cdb25d7

                          SHA512

                          e3624b20f196188da883e91b73aa091687f456b982cf64e02f9979620f15e61b025293f6a2161eeacc5ff86fe40cef8fa6fad9a9e35729b878cf70aacae6a8f7

                        • memory/4060-36-0x00000000752C0000-0x0000000075A70000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4060-4-0x00000000752C0000-0x0000000075A70000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4060-11-0x00000000752C0000-0x0000000075A70000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4060-7-0x0000000006F50000-0x0000000006F5A000-memory.dmp

                          Filesize

                          40KB

                        • memory/4060-9-0x0000000007E20000-0x0000000007E5C000-memory.dmp

                          Filesize

                          240KB

                        • memory/4060-6-0x0000000006CE0000-0x0000000006EF4000-memory.dmp

                          Filesize

                          2.1MB

                        • memory/4060-10-0x00000000752CE000-0x00000000752CF000-memory.dmp

                          Filesize

                          4KB

                        • memory/4060-47-0x000000000A740000-0x000000000A7A6000-memory.dmp

                          Filesize

                          408KB

                        • memory/4060-5-0x0000000005F90000-0x0000000005FA2000-memory.dmp

                          Filesize

                          72KB

                        • memory/4060-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

                          Filesize

                          4KB

                        • memory/4060-8-0x00000000752C0000-0x0000000075A70000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4060-70-0x00000000752C0000-0x0000000075A70000-memory.dmp

                          Filesize

                          7.7MB

                        • memory/4060-3-0x0000000005730000-0x00000000057C2000-memory.dmp

                          Filesize

                          584KB

                        • memory/4060-2-0x0000000005FC0000-0x0000000006564000-memory.dmp

                          Filesize

                          5.6MB

                        • memory/4060-1-0x0000000000AD0000-0x0000000000D48000-memory.dmp

                          Filesize

                          2.5MB