Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/09/2024, 03:38

General

  • Target
    BfIgOz7.exe
  • Size 6.8MB
  • Sample240915-d7bfdstgnm
  • SHA256 73ffdb5bc29185f6c68ea22d571859218635a17bad466d4c5aee1b4a3421dfb1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • discordrat

Attributes
  • discord_token

    MTI4NDY3NDQ5OTc5ODc2NTczOA.GRsRSd.UW5uwQ1usFhHH7EewkpyCqw589sAshmfAmxuZg

  • server_id

    1284674413421133905

Signatures

  • Discord RAT

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Start PowerShell.

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 62 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BfIgOz7.exe
    "C:\Users\Admin\AppData\Local\Temp\BfIgOz7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5260
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Start-Process cmd -ArgumentList '/c powershell Add-MpPreference -ExclusionPath 'C:\'' -Verb runAs"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3476
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "Start-Process cmd -ArgumentList '/c powershell Start-Process roblox.exe -Verb runAs' -Verb runAs"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1544
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c powershell Start-Process roblox.exe -Verb runAs
        3⤵
        • Access Token Manipulation: Create Process with Token
        • Suspicious use of WriteProcessMemory
        PID:2084
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell Start-Process roblox.exe -Verb runAs
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1644
          • C:\Users\Admin\AppData\Local\Temp\roblox.exe
            "C:\Users\Admin\AppData\Local\Temp\roblox.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:988
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1108
    • 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:4 --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=123.0.6312.123 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb6e06cc40,0x7ffb6e06cc4c,0x7ffb6e06cc58
      2⤵
        PID:5272
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1784,i,6832502184223025911,14428659933305044090,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=1788 /prefetch:2
        2⤵
          PID:4684
        • 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 --no-appcompat-clear --field-trial-handle=1824,i,6832502184223025911,14428659933305044090,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2056 /prefetch:3
          2⤵
            PID:5380
          • 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=service --no-appcompat-clear --field-trial-handle=2184,i,6832502184223025911,14428659933305044090,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2200 /prefetch:8
            2⤵
              PID:1408
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3096,i,6832502184223025911,14428659933305044090,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3236 /prefetch:1
              2⤵
                PID:5336
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3160,i,6832502184223025911,14428659933305044090,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3388 /prefetch:1
                2⤵
                  PID:3188
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4408,i,6832502184223025911,14428659933305044090,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4436 /prefetch:1
                  2⤵
                    PID:4552
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4764,i,6832502184223025911,14428659933305044090,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4732 /prefetch:8
                    2⤵
                      PID:572
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4860,i,6832502184223025911,14428659933305044090,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4792 /prefetch:8
                      2⤵
                        PID:5332
                    • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                      1⤵
                        PID:4872
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                        1⤵
                          PID:3556

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              BrowsingTopicsState

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                              • Size 649B
                              • SHA256 4d5a70c8b230c8db12b39769eaf7ea10c964344b40286fba8588838c35324d1d
                              • MD5 SHA1 SHA512

                              SCT Auditing Pending Reports

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                              • Size 2B
                              • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                              • MD5 SHA1 SHA512

                              TransportSecurity

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                              • Size 356B
                              • SHA256 f20a4e2a435d3b684bf843ba91cd08329dd3e17e1b04479c09a697239ee2a7c4
                              • MD5 SHA1 SHA512

                              Preferences

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                              • Size 9KB
                              • SHA256 1790d91d5c6c33c8c0fd4df06fdbf34e63be4e94ca62544516e66c5139b22bb2
                              • MD5 SHA1 SHA512 SSDEEP

                              Preferences

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                              • Size 9KB
                              • SHA256 1c36d6ceebd1e9b746da31e656c2b065c8a2d39f806386a89692bfe370fea362
                              • MD5 SHA1 SHA512 SSDEEP

                              Secure Preferences

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                              • Size 15KB
                              • SHA256 549f776a73557ad6b657eb9df1ced501e157b40e1c404adfd11ee3005f98b979
                              • MD5 SHA1 SHA512 SSDEEP

                              Local State

                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                              • Size 208KB
                              • SHA256 051f4029e4bfaf98a0c52f7250e91e3de72f0d60a6b06f1af9a6003ad13cd5d0
                              • MD5 SHA1 SHA512 SSDEEP

                              powershell.exe.log

                              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                              • Size 2KB
                              • SHA256 43244c0820ec5074e654ecd149fa744f51b2c1522e90285567713dae64b62f59
                              • MD5 SHA1 SHA512

                              StartupProfileData-NonInteractive

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                              • Size 1KB
                              • SHA256 baea84fda6c1f13090b8cbd91c920848946f10ce155ef31a1df4cd453ee7e4aa
                              • MD5 SHA1 SHA512

                              StartupProfileData-NonInteractive

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                              • Size 64B
                              • SHA256 d3d37a24d4c9be7f6771ae16f632836eef3149d7e857f55af8ec3cb3d88106af
                              • MD5 SHA1 SHA512

                              __PSScriptPolicyTest_ystad0cq.p21.ps1

                              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ystad0cq.p21.ps1
                              • Size 60B
                              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                              • MD5 SHA1 SHA512

                              roblox.exe

                              • Path C:\Users\Admin\AppData\Local\Temp\roblox.exe
                              • Size 90KB
                              • SHA256 8456684a9df4033f3199029c67246c264bccdd12a6e5d720521aff7f0ca59364
                              • MD5 SHA1 SHA512 SSDEEP

                              memory/988-47-0x0000023E9ED90000-0x0000023E9F2B8000-memory.dmp

                              memory/988-46-0x0000023E9CE90000-0x0000023E9D052000-memory.dmp

                              memory/988-45-0x0000023E82860000-0x0000023E8287A000-memory.dmp

                              memory/1544-30-0x00007FFB63320000-0x00007FFB63DE2000-memory.dmp

                              memory/1544-32-0x00007FFB63320000-0x00007FFB63DE2000-memory.dmp

                              memory/1544-28-0x00007FFB63320000-0x00007FFB63DE2000-memory.dmp

                              memory/1544-19-0x00007FFB63320000-0x00007FFB63DE2000-memory.dmp

                              memory/1544-18-0x00007FFB63320000-0x00007FFB63DE2000-memory.dmp

                              memory/3476-0-0x00007FFB63323000-0x00007FFB63325000-memory.dmp

                              memory/3476-15-0x00007FFB63320000-0x00007FFB63DE2000-memory.dmp

                              memory/3476-12-0x00007FFB63320000-0x00007FFB63DE2000-memory.dmp

                              memory/3476-11-0x00007FFB63320000-0x00007FFB63DE2000-memory.dmp

                              memory/3476-10-0x00007FFB63320000-0x00007FFB63DE2000-memory.dmp

                              memory/3476-9-0x00000228FD7E0000-0x00000228FD802000-memory.dmp