Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 02:08

General

  • Target
    RobloxPlayer.exe
  • Size 78KB
  • Sample240526-ckmdpsba81
  • SHA256 1c7ffa12df8fc6b0617ddd3e7bf89582154156c803ca2b2df7a6073d43e13dc0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • discordrat

Attributes
  • discord_token

    MTIxNTQyMjc0OTk4ODg4NDU3Mg.G8QiY3.e2k047pCmhPxBH-tdaOfxVTB1BY3dSfZIT_sXY

  • server_id

    1201970766531530822

Signatures

  • Discord RAT

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

  • Disables Task Manager via registry modification
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 13 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\RobloxPlayer.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxPlayer.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3224
    • C:\Windows\SYSTEM32\SCHTASKS.exe
      "SCHTASKS.exe" /create /tn "$77RobloxPlayer.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\RobloxPlayer.exe'" /sc onlogon /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:5424
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4272
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4272.0.1759926220\869648121" -parentBuildID 20221007134813 -prefsHandle 1892 -prefMapHandle 1884 -prefsLen 20749 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {7ea52112-2d76-4297-a5ab-4be9d8e65334} 4272 "\\.\pipe\gecko-crash-server-pipe.4272" 1964 2694a7f4d58 gpu
        3⤵
          PID:2816
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4272.1.1320432788\326975400" -parentBuildID 20221007134813 -prefsHandle 2356 -prefMapHandle 2352 -prefsLen 20785 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {751d847b-bd35-4248-ae9b-bf5c929bc65e} 4272 "\\.\pipe\gecko-crash-server-pipe.4272" 2368 26936c6fe58 socket
          3⤵
            PID:4412
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4272.2.266757340\1687532278" -childID 1 -isForBrowser -prefsHandle 3176 -prefMapHandle 3172 -prefsLen 20888 -prefMapSize 233444 -jsInitHandle 1420 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2d2cd02f-a2fe-4626-88e9-693f039d62e3} 4272 "\\.\pipe\gecko-crash-server-pipe.4272" 3188 2694e905358 tab
            3⤵
              PID:4856
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4272.3.1700179449\1988172251" -childID 2 -isForBrowser -prefsHandle 1128 -prefMapHandle 1032 -prefsLen 26066 -prefMapSize 233444 -jsInitHandle 1420 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2f5649ad-60eb-4bee-abea-aa68e461c439} 4272 "\\.\pipe\gecko-crash-server-pipe.4272" 2396 2694cfe2158 tab
              3⤵
                PID:1036
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4272.4.1656645104\821059078" -childID 3 -isForBrowser -prefsHandle 4124 -prefMapHandle 4120 -prefsLen 26066 -prefMapSize 233444 -jsInitHandle 1420 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {532e16b0-f64b-40d2-a24e-03124f1239ba} 4272 "\\.\pipe\gecko-crash-server-pipe.4272" 4136 2694eda3458 tab
                3⤵
                  PID:4068
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4272.5.457895196\1908688127" -childID 4 -isForBrowser -prefsHandle 5088 -prefMapHandle 5084 -prefsLen 26206 -prefMapSize 233444 -jsInitHandle 1420 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4e28b4e5-0dac-4a4d-b6a8-fe6b1855af3c} 4272 "\\.\pipe\gecko-crash-server-pipe.4272" 5044 26936c2e458 tab
                  3⤵
                    PID:116
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4272.6.1381695627\1217493809" -childID 5 -isForBrowser -prefsHandle 5100 -prefMapHandle 5096 -prefsLen 26206 -prefMapSize 233444 -jsInitHandle 1420 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {bbbadc9d-1897-405f-b35d-e7e967e92cd3} 4272 "\\.\pipe\gecko-crash-server-pipe.4272" 5016 269504bff58 tab
                    3⤵
                      PID:3260
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4272.7.1297008036\1020945929" -childID 6 -isForBrowser -prefsHandle 5112 -prefMapHandle 5108 -prefsLen 26206 -prefMapSize 233444 -jsInitHandle 1420 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {d162090e-eae0-4a7f-a188-5d235caf41cd} 4272 "\\.\pipe\gecko-crash-server-pipe.4272" 5172 26951154d58 tab
                      3⤵
                        PID:1096
                  • C:\Windows\system32\taskmgr.exe
                    "C:\Windows\system32\taskmgr.exe" /7
                    1⤵
                    • Checks SCSI registry key(s)
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: GetForegroundWindowSpam
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    PID:5532
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
                    1⤵
                      PID:1368
                    • C:\Windows\system32\AUDIODG.EXE
                      C:\Windows\system32\AUDIODG.EXE 0x37c 0x3fc
                      1⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:5828

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          data.safe.bin

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\4s2odj76.default-release\datareporting\glean\db\data.safe.bin
                          • Size 9KB
                          • SHA256 3dd0aa91345006822b1dba9fb6cebd44716eac9e880f85b18225eada1f29f586
                          • MD5 SHA1 SHA512 SSDEEP

                          8a27e657-70ca-4dc4-b97c-2d935e3fa73f

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\4s2odj76.default-release\datareporting\glean\pending_pings\8a27e657-70ca-4dc4-b97c-2d935e3fa73f
                          • Size 734B
                          • SHA256 19699d16ac887e832d076a5ad08d8926ceeb2ba9619dfd04bd4ab36779425f5d
                          • MD5 SHA1 SHA512

                          prefs-1.js

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\4s2odj76.default-release\prefs-1.js
                          • Size 6KB
                          • SHA256 0ef0d06cfa2cd8249227fc98a5efca1abee1818803d58640cacdfa95752794ad
                          • MD5 SHA1 SHA512 SSDEEP

                          prefs-1.js

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\4s2odj76.default-release\prefs-1.js
                          • Size 6KB
                          • SHA256 06ba34c51c0fd3b83b75d1a95d5d6271bd2657440c36595a18ef286f4d585660
                          • MD5 SHA1 SHA512 SSDEEP

                          prefs.js

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\4s2odj76.default-release\prefs.js
                          • Size 6KB
                          • SHA256 6601df14391bd4025bcee16f46d8f5273c16be86b31d471b92837776581121b5
                          • MD5 SHA1 SHA512 SSDEEP

                          recovery.jsonlz4

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\4s2odj76.default-release\sessionstore-backups\recovery.jsonlz4
                          • Size 1KB
                          • SHA256 042e5f9e87d2ef32115a9c480ece5d61de1fe41264c4e556ce5fdce91d2976bb
                          • MD5 SHA1 SHA512

                          recovery.jsonlz4

                          • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\4s2odj76.default-release\sessionstore-backups\recovery.jsonlz4
                          • Size 1KB
                          • SHA256 3530b5aefa1027f567d8da7f045ee5f12af02ea629ce1bd9c4fc7818bc6335d3
                          • MD5 SHA1 SHA512

                          memory/3224-4-0x000001F2AADA0000-0x000001F2AB2C8000-memory.dmp

                          memory/3224-3-0x00007FFFD6D20000-0x00007FFFD77E1000-memory.dmp

                          memory/3224-141-0x00007FFFD6D20000-0x00007FFFD77E1000-memory.dmp

                          memory/3224-137-0x000001F2AA9C0000-0x000001F2AAA6A000-memory.dmp

                          memory/3224-2-0x000001F2A9BB0000-0x000001F2A9D72000-memory.dmp

                          memory/3224-0-0x00007FFFD6D23000-0x00007FFFD6D25000-memory.dmp

                          memory/3224-1-0x000001F28F3F0000-0x000001F28F408000-memory.dmp

                          memory/3224-120-0x00007FFFD6D20000-0x00007FFFD77E1000-memory.dmp

                          memory/3224-119-0x00007FFFD6D23000-0x00007FFFD6D25000-memory.dmp

                          memory/5532-106-0x000002649C570000-0x000002649C571000-memory.dmp

                          memory/5532-103-0x000002649C570000-0x000002649C571000-memory.dmp

                          memory/5532-102-0x000002649C570000-0x000002649C571000-memory.dmp

                          memory/5532-104-0x000002649C570000-0x000002649C571000-memory.dmp

                          memory/5532-105-0x000002649C570000-0x000002649C571000-memory.dmp

                          memory/5532-107-0x000002649C570000-0x000002649C571000-memory.dmp

                          memory/5532-108-0x000002649C570000-0x000002649C571000-memory.dmp

                          memory/5532-96-0x000002649C570000-0x000002649C571000-memory.dmp

                          memory/5532-97-0x000002649C570000-0x000002649C571000-memory.dmp

                          memory/5532-98-0x000002649C570000-0x000002649C571000-memory.dmp