Analysis

  • max time kernel
    554s
  • max time network
    603s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04-03-2024 14:27

General

  • Target

    PyrusC2.exe

  • Size

    78KB

  • MD5

    27f969d17693c222cdd0494cb2a09f80

  • SHA1

    d5425670f1d1d40fb04a2a1c72dc7572a748a67a

  • SHA256

    402d83a67acf9591aaf8dc4e62dcafc4dd10f3987cb7a175f0c288de77a86ad7

  • SHA512

    33e8e65940074c84f24697ee6cc2654289419f02ca481033bf3c369f26fe4f16c3990a822fe0842f3feb2febe4cb8c57d8e3d1acc63d4c560e54ebe0806a42df

  • SSDEEP

    1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+xPIC:5Zv5PDwbjNrmAE+hIC

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTIxMzUwMTgyMzQxMTgyMjYzMg.G_3rn-.hlmdq27ziRAcKVZvZ9b7woSeSyqsovKDo0qouc

  • server_id

    1200522482130632846

Signatures

  • Discord RAT

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 17 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PyrusC2.exe
    "C:\Users\Admin\AppData\Local\Temp\PyrusC2.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1924
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /C systeminfo
      2⤵
        PID:3876
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          3⤵
          • Gathers system information
          PID:4076
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2728
      • 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=0x104,0x108,0x10c,0xe0,0x110,0x7ffd40e63cb8,0x7ffd40e63cc8,0x7ffd40e63cd8
        2⤵
          PID:4500
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1808,8761026542465389161,17577065327338254755,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1904 /prefetch:2
          2⤵
            PID:2828
          • 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=1808,8761026542465389161,17577065327338254755,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2280 /prefetch:3
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2136
          • 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=1808,8761026542465389161,17577065327338254755,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2676 /prefetch:8
            2⤵
              PID:3452
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,8761026542465389161,17577065327338254755,131072 --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=3296 /prefetch:1
              2⤵
                PID:3924
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,8761026542465389161,17577065327338254755,131072 --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=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3336 /prefetch:1
                2⤵
                  PID:3824
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,8761026542465389161,17577065327338254755,131072 --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=4928 /prefetch:1
                  2⤵
                    PID:1988
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,8761026542465389161,17577065327338254755,131072 --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=4556 /prefetch:1
                    2⤵
                      PID:2864
                    • 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=1808,8761026542465389161,17577065327338254755,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5160 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1532
                    • 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=1808,8761026542465389161,17577065327338254755,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5616 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:760
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,8761026542465389161,17577065327338254755,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3312 /prefetch:1
                      2⤵
                        PID:3608
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,8761026542465389161,17577065327338254755,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3864 /prefetch:1
                        2⤵
                          PID:4632
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,8761026542465389161,17577065327338254755,131072 --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=4664 /prefetch:1
                          2⤵
                            PID:236
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1808,8761026542465389161,17577065327338254755,131072 --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=2876 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4948
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:2328
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3612
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
                              1⤵
                              • Modifies registry class
                              • Suspicious use of SetWindowsHookEx
                              PID:1752

                            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

                              7c194bbd45fc5d3714e8db77e01ac25a

                              SHA1

                              e758434417035cccc8891d516854afb4141dd72a

                              SHA256

                              253f8f4a60bdf1763526998865311c1f02085388892f14e94f858c50bf6e53c3

                              SHA512

                              aca42768dcc4334e49cd6295bd563c797b11523f4405cd5b4aeb41dec9379d155ae241ce937ec55063ecbf82136154e4dc5065afb78d18b42af86829bac6900d

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

                              Filesize

                              152B

                              MD5

                              caaacbd78b8e7ebc636ff19241b2b13d

                              SHA1

                              4435edc68c0594ebb8b0aa84b769d566ad913bc8

                              SHA256

                              989cc6f5cdc43f7bac8f6bc10624a47d46cbc366c671c495c6900eabc5276f7a

                              SHA512

                              c668a938bef9bbe432af676004beb1ae9c06f1ba2f154d1973e691a892cb39c345b12265b5996127efff3258ebba333847df09238f69e95f2f35879b5db7b7fc

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

                              Filesize

                              180B

                              MD5

                              00a455d9d155394bfb4b52258c97c5e5

                              SHA1

                              2761d0c955353e1982a588a3df78f2744cfaa9df

                              SHA256

                              45a13c77403533b12fbeeeb580e1c32400ca17a32e15caa8c8e6a180ece27fed

                              SHA512

                              9553f8553332afbb1b4d5229bbf58aed7a51571ab45cbf01852b36c437811befcbc86f80ec422f222963fa7dabb04b0c9ae72e9d4ff2eeb1e58cde894fbe234f

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

                              Filesize

                              5KB

                              MD5

                              2c40f9af3e8fb330481d734c971f5271

                              SHA1

                              8bed1c44ce2b235a0de1d4af13ebaa67bc9933ca

                              SHA256

                              01327a86de0912a987c955af8241c2b27c6212fdc04ef5225b1414636fdf77aa

                              SHA512

                              191c763d28586bd25976ac7573272b55ec4c6a3f5f8339f315276e62ac950f685caefe4def0f5d407900331dda61e3e2fdff07f83b5f5a3823429c07df986189

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

                              Filesize

                              5KB

                              MD5

                              73a8ed011bb8cb1f7181dc9b5c4b9f46

                              SHA1

                              579e9532c2b7c2c0f3918a8803644372481da4f8

                              SHA256

                              0636de246d3a9580892b4003edb53c15fcbec033a44acee2ada1fb7facbeb177

                              SHA512

                              3463a8b4377557aee4d526421a2b927baaf31f5163133fbe7341cf04a0464003a5075bc2b089dafcdb9568b59b63f757745053b50592ca2a8fd0fa91a6bb72db

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

                              Filesize

                              5KB

                              MD5

                              938e4b0b12af3a09dca031ab9fc4bf8d

                              SHA1

                              3b0a39ed4c45874ca574006ce503d440bcca73f1

                              SHA256

                              a2090b7309c09c21a2bd4c6fc5b2ed5497003ecf560dec5d15b4025927396aa9

                              SHA512

                              fa43538fd4e3ba7a5cbf6d9eedf75b6d7046de1bca913d458a738846f1a9f92010de683e2176b3d9005a657700bc6d0371483a62f8c315bcb11a0f1207a6c95e

                            • 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

                              11KB

                              MD5

                              32c0e1d03bd577e2bfadb2359719cdb0

                              SHA1

                              8992e7cae078edc8a6af64da8b82977b28f14932

                              SHA256

                              524f321c10c96460a0f008f657846b678b025721f99d2bccfaba847666d5842d

                              SHA512

                              d3efa1719bfe39b2f307b7e03688011047750e20d2e20aa2f6a93bd79b8c40d59128bcee9189cf0489209278b843ca3ad59368e29e75a31d4f0ceb6a48ffa76e

                            • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

                              Filesize

                              10KB

                              MD5

                              f27220629407caa5f328677153995632

                              SHA1

                              ecc2bd913a7c4464b1707f6047960f5d1cf0495a

                              SHA256

                              60881e38645cfa992fc2038d286a44aea79319713d485d846c1fde91a7c16c55

                              SHA512

                              b5471547c852bea269fb857a8e3f39ed2f069ac857d4746857c3ff34986b2c7309a64b543aca9e5efbe2d90c61d98ecbe17722b4f2dec54ba92e6b6b27764a73

                            • memory/1924-3-0x000001F7FF170000-0x000001F7FF180000-memory.dmp

                              Filesize

                              64KB

                            • memory/1924-2-0x00007FFD467D0000-0x00007FFD47292000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/1924-5-0x00007FFD467D0000-0x00007FFD47292000-memory.dmp

                              Filesize

                              10.8MB

                            • memory/1924-4-0x000001F799AB0000-0x000001F799FD8000-memory.dmp

                              Filesize

                              5.2MB

                            • memory/1924-6-0x000001F7FF170000-0x000001F7FF180000-memory.dmp

                              Filesize

                              64KB

                            • memory/1924-0-0x000001F7FED30000-0x000001F7FED48000-memory.dmp

                              Filesize

                              96KB

                            • memory/1924-1-0x000001F800000000-0x000001F8001C2000-memory.dmp

                              Filesize

                              1.8MB

                            • memory/1924-157-0x000001F7FFF70000-0x000001F7FFFE6000-memory.dmp

                              Filesize

                              472KB

                            • memory/1924-158-0x000001F7995E0000-0x000001F7995F2000-memory.dmp

                              Filesize

                              72KB

                            • memory/1924-159-0x000001F7FF6A0000-0x000001F7FF6BE000-memory.dmp

                              Filesize

                              120KB

                            • memory/1924-160-0x000001F799660000-0x000001F79966E000-memory.dmp

                              Filesize

                              56KB