Resubmissions

08-09-2024 02:15

240908-cpvkwa1glf 3

08-09-2024 02:15

240908-cplb7sygpr 3

08-09-2024 02:13

240908-cnlata1fpe 10

Analysis

  • max time kernel
    34s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 02:13

General

  • Target

    https://objects.githubusercontent.com/github-production-release-asset-2e65be/514392783/870646fb-c4a4-4baa-8bf8-f817efb7d140?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=releaseassetproduction%2F20240908%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240908T021312Z&X-Amz-Expires=300&X-Amz-Signature=acb5c9f70271171e5e3f9290990941f117081e53d74c7d908d4935c016275800&X-Amz-SignedHeaders=host&actor_id=145102109&key_id=0&repo_id=514392783&response-content-disposition=attachment%3B%20filename%3Drelease.zip&response-content-type=application%2Foctet-stream

Malware Config

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 24 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 https://objects.githubusercontent.com/github-production-release-asset-2e65be/514392783/870646fb-c4a4-4baa-8bf8-f817efb7d140?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=releaseassetproduction%2F20240908%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240908T021312Z&X-Amz-Expires=300&X-Amz-Signature=acb5c9f70271171e5e3f9290990941f117081e53d74c7d908d4935c016275800&X-Amz-SignedHeaders=host&actor_id=145102109&key_id=0&repo_id=514392783&response-content-disposition=attachment%3B%20filename%3Drelease.zip&response-content-type=application%2Foctet-stream
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3604
    • 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,0x100,0x104,0xd8,0x108,0x7ffa198346f8,0x7ffa19834708,0x7ffa19834718
      2⤵
        PID:2816
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
        2⤵
          PID:1080
        • 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=2120,13623144475182386055,7694517301118525258,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2204 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4852
        • 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=2120,13623144475182386055,7694517301118525258,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2704 /prefetch:8
          2⤵
            PID:2200
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --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=3292 /prefetch:1
            2⤵
              PID:1936
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --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=3300 /prefetch:1
              2⤵
                PID:2732
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --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=5296 /prefetch:1
                2⤵
                  PID:3156
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5312 /prefetch:1
                  2⤵
                    PID:4356
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5668 /prefetch:8
                    2⤵
                      PID:3728
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5668 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1084
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=4940 /prefetch:8
                      2⤵
                        PID:1320
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --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=3292 /prefetch:1
                        2⤵
                          PID:1260
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --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=5964 /prefetch:1
                          2⤵
                            PID:2796
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13623144475182386055,7694517301118525258,131072 --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=5988 /prefetch:1
                            2⤵
                              PID:3232
                            • 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=2120,13623144475182386055,7694517301118525258,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5800 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4912
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4072
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3168
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:5232
                                • C:\Users\Admin\AppData\Local\Temp\Temp1_release.zip\builder.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Temp1_release.zip\builder.exe"
                                  1⤵
                                  • System Location Discovery: System Language Discovery
                                  • Suspicious use of FindShellTrayWindow
                                  PID:5508
                                • C:\Users\Admin\AppData\Local\Temp\Temp1_release.zip\Release\Discord rat.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Temp1_release.zip\Release\Discord rat.exe"
                                  1⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:5700

                                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

                                  9e3fc58a8fb86c93d19e1500b873ef6f

                                  SHA1

                                  c6aae5f4e26f5570db5e14bba8d5061867a33b56

                                  SHA256

                                  828f4eacac1c40b790fd70dbb6fa6ba03dcc681171d9b2a6579626d27837b1c4

                                  SHA512

                                  e5e245b56fa82075e060f468a3224cf2ef43f1b6d87f0351a2102d85c7c897e559be4caeaecfdc4059af29fdc674681b61229319dda95cb2ee649b2eb98d313e

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

                                  Filesize

                                  152B

                                  MD5

                                  27304926d60324abe74d7a4b571c35ea

                                  SHA1

                                  78b8f92fcaf4a09eaa786bbe33fd1b0222ef29c1

                                  SHA256

                                  7039ad5c2b40f4d97c8c2269f4942be13436d739b2e1f8feb7a0c9f9fdb931de

                                  SHA512

                                  f5b6181d3f432238c7365f64fc8a373299e23ba8178bcc419471916ef8b23e909787c7c0617ab22e4eb90909c02bd7b84f1386fbc61e2bdb5a0eb474175da4bd

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

                                  Filesize

                                  5KB

                                  MD5

                                  1fb62f7d51baca028fa77cc4bb6315ad

                                  SHA1

                                  94c9ba35daf025a7cf8f40ce419e66121cfc0340

                                  SHA256

                                  3bacf02b2eef62968e7c6c7dca252286b6da3b086e545136809f26d8a460398f

                                  SHA512

                                  74293b4447edb17d5515e29409f8876e4e83867f7689e8dc79a7e5d4ac13b591fecd1bcdc2a421f3a59f84b4bcf90523a561e298e038df3a34737c849ed49da3

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

                                  Filesize

                                  6KB

                                  MD5

                                  7c589168e640397164d86edbe87a570e

                                  SHA1

                                  12676a867b23ca59d6ab52d4d06ab3785dad430d

                                  SHA256

                                  75f3a00b0c9ac5d1d043672da3d532e040aefd3f13692b9f89ac86d06a0167b2

                                  SHA512

                                  0dbec02c39ea92c9609f5cac4408223ae2e5b7e1e24ed79360c035632881d1012a6c5e845c18e5d7d1f8d74ac61fc9a052d8cab86393e27e9c4bf9055056d3d7

                                • 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

                                  08582b8909b5d9184206befd700f3a0c

                                  SHA1

                                  68b5069b2f5a6b10b69073fa259cc68f6df32b72

                                  SHA256

                                  13568ce01298248e4f8673c26a2193d0282f5978fc82bffc5d2e8ebac75a918e

                                  SHA512

                                  9cc2d6f053b726ce821358e133a80de421e2b11d0b53be1e6d76e032fa9d1ac3ba37c603903c91686277c5c0322bbbe9e4ecefdbc1a22d38626c58aa1edfc894

                                • C:\Users\Admin\Downloads\release.zip

                                  Filesize

                                  445KB

                                  MD5

                                  06a4fcd5eb3a39d7f50a0709de9900db

                                  SHA1

                                  50d089e915f69313a5187569cda4e6dec2d55ca7

                                  SHA256

                                  c13a0cd7c2c2fd577703bff026b72ed81b51266afa047328c8ff1c4a4d965c97

                                  SHA512

                                  75e5f637fd3282d088b1c0c1efd0de8a128f681e4ac66d6303d205471fe68b4fbf0356a21d803aff2cca6def455abad8619fedc8c7d51e574640eda0df561f9b

                                • memory/5508-61-0x0000000000670000-0x0000000000678000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/5508-62-0x0000000005610000-0x0000000005BB4000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/5508-63-0x0000000005060000-0x00000000050F2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/5508-64-0x0000000005210000-0x000000000521A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/5700-65-0x000001BC3DA30000-0x000001BC3DA48000-memory.dmp

                                  Filesize

                                  96KB

                                • memory/5700-66-0x000001BC58080000-0x000001BC58242000-memory.dmp

                                  Filesize

                                  1.8MB

                                • memory/5700-67-0x000001BC58880000-0x000001BC58DA8000-memory.dmp

                                  Filesize

                                  5.2MB