Analysis

  • max time kernel
    76s
  • max time network
    86s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 23:28

General

  • Target

    https://cdn.discordapp.com/attachments/1311791400278429846/1320889087766429766/Loader.rar?ex=676c8ed3&is=676b3d53&hm=d03c152de1c9153f71ed656cb14896e2a5528e707bbc7aebe6ac21da570bff41&

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMyMDc2Nzc4Mzk2MDcwNzE2NA.GK0gUF.OU9WbYr2-yq_nxwfa3gKj0PhdIzzZqHZ5u2d-s

  • server_id

    1308451255844077600

Signatures

  • Discord RAT

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

  • Discordrat family
  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 36 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" --start-maximized --single-argument https://cdn.discordapp.com/attachments/1311791400278429846/1320889087766429766/Loader.rar?ex=676c8ed3&is=676b3d53&hm=d03c152de1c9153f71ed656cb14896e2a5528e707bbc7aebe6ac21da570bff41&
    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:804
    • 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,0x100,0x104,0xd8,0x108,0x7ffbc4cf46f8,0x7ffbc4cf4708,0x7ffbc4cf4718
      2⤵
        PID:2976
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2148,2536852017342286457,8370413305127798487,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:2
        2⤵
          PID:4572
        • 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=2148,2536852017342286457,8370413305127798487,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2228 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3104
        • 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=2148,2536852017342286457,8370413305127798487,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2900 /prefetch:8
          2⤵
            PID:1040
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2536852017342286457,8370413305127798487,131072 --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=3500 /prefetch:1
            2⤵
              PID:408
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2536852017342286457,8370413305127798487,131072 --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=3504 /prefetch:1
              2⤵
                PID:5080
              • 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=2148,2536852017342286457,8370413305127798487,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 /prefetch:8
                2⤵
                  PID:2960
                • 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=2148,2536852017342286457,8370413305127798487,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1168
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2536852017342286457,8370413305127798487,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5072 /prefetch:1
                  2⤵
                    PID:5100
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2536852017342286457,8370413305127798487,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5140 /prefetch:1
                    2⤵
                      PID:4508
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2536852017342286457,8370413305127798487,131072 --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=3320 /prefetch:1
                      2⤵
                        PID:2644
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2536852017342286457,8370413305127798487,131072 --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=5308 /prefetch:1
                        2⤵
                          PID:320
                        • 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=2148,2536852017342286457,8370413305127798487,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=4272 /prefetch:8
                          2⤵
                            PID:1092
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2536852017342286457,8370413305127798487,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5752 /prefetch:1
                            2⤵
                              PID:1344
                            • 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=2148,2536852017342286457,8370413305127798487,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5964 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3008
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4376
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:2608
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:3764
                                • C:\Program Files\7-Zip\7zFM.exe
                                  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\Downloads\Loader.rar"
                                  1⤵
                                  • Suspicious use of AdjustPrivilegeToken
                                  • Suspicious use of FindShellTrayWindow
                                  PID:2292
                                • C:\Users\Admin\Desktop\Loader\nx-loader.exe
                                  "C:\Users\Admin\Desktop\Loader\nx-loader.exe"
                                  1⤵
                                  • Executes dropped EXE
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:704
                                • C:\Users\Admin\Desktop\Loader\nx-loader.exe
                                  "C:\Users\Admin\Desktop\Loader\nx-loader.exe"
                                  1⤵
                                  • Executes dropped EXE
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:4496
                                • C:\Windows\system32\NOTEPAD.EXE
                                  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\Loader\IMPORTANT.txt
                                  1⤵
                                  • Opens file in notepad (likely ransom note)
                                  PID:4632

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\1cb00e94-a304-4f7c-93c9-0bb8acc2c1f7.tmp

                                  Filesize

                                  10KB

                                  MD5

                                  501b89b717842c822b29c0c5449cd701

                                  SHA1

                                  bba29331f037a0c231459d8d5593433f9d51f40c

                                  SHA256

                                  6d29440ab7bb2cccd6f54a33891d7d97fe5046e8e1ae4cd54882707f4463fb75

                                  SHA512

                                  d28d83d33f8c5a84df4ac1f7a2c50e234feb3a016bd4c7089be1e4844a58dbca79861f4297760d48fc3184ff1e7e144b3ed2fabcc426a445b952ef0ec74661e6

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

                                  Filesize

                                  152B

                                  MD5

                                  0a9dc42e4013fc47438e96d24beb8eff

                                  SHA1

                                  806ab26d7eae031a58484188a7eb1adab06457fc

                                  SHA256

                                  58d66151799526b3fa372552cd99b385415d9e9a119302b99aadc34dd51dd151

                                  SHA512

                                  868d6b421ae2501a519595d0c34ddef25b2a98b082c5203da8349035f1f6764ddf183197f1054e7e86a752c71eccbc0649e515b63c55bc18cf5f0592397e258f

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

                                  Filesize

                                  152B

                                  MD5

                                  61cef8e38cd95bf003f5fdd1dc37dae1

                                  SHA1

                                  11f2f79ecb349344c143eea9a0fed41891a3467f

                                  SHA256

                                  ae671613623b4477fbd5daf1fd2d148ae2a09ddcc3804b2b6d4ffcb60b317e3e

                                  SHA512

                                  6fb9b333fe0e8fde19fdd0bd01a1990a4e60a87c0a02bc8297da1206e42f8690d06b030308e58c862e9e77714a585eed7cc1627590d99a10aeb77fc0dd3d864d

                                • 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

                                  6KB

                                  MD5

                                  2bf4d204d38788bb0592c344b06b87ea

                                  SHA1

                                  d75d792deb2962d308253d324e83066099a5530b

                                  SHA256

                                  ffcc1b83d4966b8c79326d5c0672640d18d19e1d9a17c295206e4b0982c6fc69

                                  SHA512

                                  7f8803866cb921e0e99637a86a223cfdca9ab6b9a497d9ee65a00811d04228c96a5f982e32554184bd475c0b481376507b986d786e4dd0637baf70c43b610b44

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

                                  Filesize

                                  5KB

                                  MD5

                                  8c5fcceaa13d38b85ed5578cd32cc29c

                                  SHA1

                                  e06b95c8961fbe1119bcfff74f5102bdcd161c83

                                  SHA256

                                  c7375ee5bb280c44270ee39d7c42208effca073f3ed025f07dac4e21479615e8

                                  SHA512

                                  f8b4888892df097fa275f26664f4cfaf6798b2373c170b513d4058595e5fff1e31c35d4824091b29798903d56b99fdf8a624bcbf1b3efadba9b06f12fb0d4d99

                                • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\c93a85a3-04a1-4f66-b3f1-a4dbb3afeec6.tmp

                                  Filesize

                                  6KB

                                  MD5

                                  5d183aadbf5bc3768c5072ea700d644e

                                  SHA1

                                  2e0812bcb008cf7618332081eb3ecbce6ad1ae09

                                  SHA256

                                  e63990e24d98b8b3b1613818168e69fa049ff77e4c621c055b3f962465b3000e

                                  SHA512

                                  4bd87284d628d729d8375aaa580e3a7d8bd751ab3258404202e3a89edf6bf32cd28c2647b04e2feff9ad11669659e5ec94ee09f76307378174739a366b09d8b7

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

                                  Filesize

                                  16B

                                  MD5

                                  46295cac801e5d4857d09837238a6394

                                  SHA1

                                  44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                  SHA256

                                  0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                  SHA512

                                  8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                                  Filesize

                                  16B

                                  MD5

                                  206702161f94c5cd39fadd03f4014d98

                                  SHA1

                                  bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                  SHA256

                                  1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                  SHA512

                                  0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                                  Filesize

                                  10KB

                                  MD5

                                  30485135dabc65788017dc2857cdda95

                                  SHA1

                                  f99e2b8126cb305e1a0690622f4056031a3cb1d0

                                  SHA256

                                  335e8c668c532f1435a82e7aaf9c0a074aa6275796c3251f7794638949ecacaa

                                  SHA512

                                  3e5d046b78c38c844eb145aeeb874e6814a9c296c2c5807fe8500d313157c93df5ba6c701e1de51aaae75b8caa8201a405f92cfce66ae871d4a9e32fadc4a1db

                                • C:\Users\Admin\Desktop\Loader\IMPORTANT.txt

                                  Filesize

                                  103B

                                  MD5

                                  89ff64b3942d7cbd0db340072665f223

                                  SHA1

                                  e35ed6238af2c2126fe466b73356fe65b0d450f4

                                  SHA256

                                  665eac141cb42bc97d56fe90b14d368fc6b81bf3721490480a4fc50e4e82a2c1

                                  SHA512

                                  a52a2c93d0507299252eb69b201163e784ce7f93b121a062d1518f771e141f4ec6ebdccd5c062f1bfe9ad89d8f88cef21f540b1616a9156c5f9ac07fde6d43e6

                                • C:\Users\Admin\Desktop\Loader\nx-loader.exe

                                  Filesize

                                  78KB

                                  MD5

                                  a6a30e975f0a8c57c49b0bc7ae1caa04

                                  SHA1

                                  7f0dced40bf666e7c01214c2337ff287166a9c18

                                  SHA256

                                  9390b4487b194119fa49560182ecd199222229776fa2c383a08e8fca3f16e760

                                  SHA512

                                  888bf6281f6325aa51af774485a421de3d7736df19e8d3c7d399a6b65c207651e213a04cbfe2a0c588878c8c2858324744872e2c39cb68bdc347347fedcc914f

                                • C:\Users\Admin\Downloads\Loader.rar

                                  Filesize

                                  26KB

                                  MD5

                                  9c469d823753e105a4db2cd70630bee3

                                  SHA1

                                  02b38ed11f5e933389459fd441f93bebd69ec4e7

                                  SHA256

                                  00c25c70d39db486386e81793433230061dc195ff1023b2fd3f7929d8cc83817

                                  SHA512

                                  7c9e93405d9be9c7e6eb66afd83ed673fa8888fdf3a6cc01c620cf49b46945682055c7647a7e4c84f127ebfddc6bad52e03667d38b2b005d008a9bad25c975c6

                                • memory/704-180-0x0000024F3A160000-0x0000024F3A178000-memory.dmp

                                  Filesize

                                  96KB

                                • memory/704-181-0x0000024F547F0000-0x0000024F549B2000-memory.dmp

                                  Filesize

                                  1.8MB

                                • memory/704-182-0x0000024F54FF0000-0x0000024F55518000-memory.dmp

                                  Filesize

                                  5.2MB