Analysis

  • user interaction
    yes
  • max time kernel
    138s
  • max time network
    138s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-ja
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-jalocale:ja-jpos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 09:08

General

  • Target
    badata_x64.dll
  • Size 81KB
  • Sample260910-k3ytfs1cjf
  • SHA256 e3b2ef01d90af328a7225d7e3133cc7802686ca2b9cf37ed474ec0b54b4d706e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Family: Overlord

    Overlord is an open-source Windows RAT written in Golang.

  • Detects DonutLoader 1 IoCs
  • Detects Overlord RAT 1 IoCs
  • Badlisted process makes network request 5 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 25 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 39 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:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\badata_x64.dll,#1
    1⤵
    • Badlisted process makes network request
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\system32\RuntimeBroker.exe
      "C:\Windows\system32\RuntimeBroker.exe"
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      PID:5732
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_Iq313qUo\rundll32.exe
    C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_Iq313qUo\rundll32.exe
    1⤵
    • Executes dropped EXE
    PID:5932
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:7160
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\badata_x64.dll"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5432
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\badata_x64.dll
          3⤵
          • Checks processor information in registry
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1012
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1932 -prefsLen 27098 -prefMapHandle 1936 -prefMapSize 270279 -ipcHandle 2020 -initialChannelId {49c47303-478d-40db-bcbb-e68ad18aa0a1} -parentPid 1012 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1012" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
            4⤵
              PID:5332
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2416 -prefsLen 27134 -prefMapHandle 2420 -prefMapSize 270279 -ipcHandle 2428 -initialChannelId {66864493-b9f4-4b94-9668-e478d11a25d5} -parentPid 1012 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1012" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
              4⤵
              • Checks processor information in registry
              PID:2552
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3796 -prefsLen 27274 -prefMapHandle 3800 -prefMapSize 270279 -jsInitHandle 3804 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3812 -initialChannelId {8da44cff-8b33-45a0-9167-b27ff72f8877} -parentPid 1012 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1012" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              4⤵
              • Checks processor information in registry
              PID:6936
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3960 -prefsLen 27274 -prefMapHandle 3964 -prefMapSize 270279 -ipcHandle 4072 -initialChannelId {d45f25d5-e997-42c2-a621-429bdcd9adef} -parentPid 1012 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1012" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              4⤵
                PID:2556
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2696 -prefsLen 34773 -prefMapHandle 2740 -prefMapSize 270279 -jsInitHandle 3024 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3188 -initialChannelId {f7a5933c-4120-4235-a203-3e737593b867} -parentPid 1012 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1012" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                4⤵
                • Checks processor information in registry
                PID:1652
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5276 -prefsLen 35010 -prefMapHandle 5324 -prefMapSize 270279 -ipcHandle 5308 -initialChannelId {eae7f867-4d9b-4989-9276-651cb562c265} -parentPid 1012 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1012" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                4⤵
                • Checks processor information in registry
                PID:5976
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5476 -prefsLen 32952 -prefMapHandle 5480 -prefMapSize 270279 -jsInitHandle 5484 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5516 -initialChannelId {2fbe6474-45b5-4cb4-9041-885293cc1fac} -parentPid 1012 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1012" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                4⤵
                • Checks processor information in registry
                PID:4176
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5520 -prefsLen 32952 -prefMapHandle 5524 -prefMapSize 270279 -jsInitHandle 5528 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5556 -initialChannelId {06c73cbc-59e3-474d-a1f1-15222ffe68f1} -parentPid 1012 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1012" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                4⤵
                • Checks processor information in registry
                PID:1740
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5900 -prefsLen 32952 -prefMapHandle 5904 -prefMapSize 270279 -jsInitHandle 5908 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5916 -initialChannelId {dbfdb996-e9bc-483c-aa13-b4486b10029b} -parentPid 1012 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1012" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                4⤵
                • Checks processor information in registry
                PID:2396
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          1⤵
            PID:3720

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                rundll32.exe

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\thumbcache_Iq313qUo\rundll32.exe
                • Size 88KB
                • SHA256 4b84dc6750937eb47b19cde0d23debd4d2f2211300171b36d13ef5ad11dd60f9
                • MD5 SHA1 SHA512 SSDEEP TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\datareporting\glean\db\data.safe.tmp
                • Size 7KB
                • SHA256 47673d8d94951f1a751a1709857d63452986b26e8cf9989c99d847a8dc333204
                • MD5 SHA1 SHA512 SSDEEP TLSH

                events

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\datareporting\glean\events\events
                • Size 1KB
                • SHA256 b2f2a45aa2abed59989d8b1f62d2cc4e2b7d4677332fa83b636d72de7e1cc443
                • MD5 SHA1 SHA512 TLSH

                63f5ef02-ea6b-40c2-929b-b419e027acdb

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\datareporting\glean\pending_pings\63f5ef02-ea6b-40c2-929b-b419e027acdb
                • Size 883B
                • SHA256 320645cb0ca2e9ec4090cc7be51bd9e6ab9e22d4233c1f4b361139ea9ded8222
                • MD5 SHA1 SHA512 TLSH

                731ac765-b93b-4c45-bd1f-f7dd178eecf8

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\datareporting\glean\pending_pings\731ac765-b93b-4c45-bd1f-f7dd178eecf8
                • Size 235B
                • SHA256 cb8c6473fba93b42d52128cb287f7160508bd8af8967a40ef533b1c76721cfb1
                • MD5 SHA1 SHA512 TLSH

                87fd2731-9ce5-4612-baff-8a976048e968

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\datareporting\glean\pending_pings\87fd2731-9ce5-4612-baff-8a976048e968
                • Size 15KB
                • SHA256 385e669aaaadf5e327faf54411875ffe9d49ec12f897f44efe9f9a8bb5224c37
                • MD5 SHA1 SHA512 SSDEEP TLSH

                a1899fcf-14df-444e-83ff-0bb7749f5413

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\datareporting\glean\pending_pings\a1899fcf-14df-444e-83ff-0bb7749f5413
                • Size 2KB
                • SHA256 fae6377b6570ac971583d77ebe4fc902a0107b0a9f9cd068b04dcc35eff97c13
                • MD5 SHA1 SHA512 TLSH

                ee0cd7c6-40b8-43d6-b4c6-af254f307f03

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\datareporting\glean\pending_pings\ee0cd7c6-40b8-43d6-b4c6-af254f307f03
                • Size 235B
                • SHA256 740284721995b18bb2d1bcfd3c4ac5396a9e8914834e4ac4eb807addd64bb800
                • MD5 SHA1 SHA512 TLSH

                fbcbf028-83d1-4d9d-bcee-8f3112bc42d3

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\datareporting\glean\pending_pings\fbcbf028-83d1-4d9d-bcee-8f3112bc42d3
                • Size 886B
                • SHA256 d333a629fdd53c11beebb2ec8ea4d81db9c4cc7c04f8acce2f6776dba2f732cf
                • MD5 SHA1 SHA512 TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\prefs.js
                • Size 6KB
                • SHA256 d1251aaab5779a15ad0830e3ccb80beb3e8284b3e4312880e08943a1bba51e3f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\prefs.js
                • Size 6KB
                • SHA256 4390fa6bc9a511b13208e89ef694ecf009c1c165359521eb58466eb344d131cd
                • MD5 SHA1 SHA512 SSDEEP TLSH

                sessionCheckpoints.json.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\n6eagavx.default-release\sessionCheckpoints.json.tmp
                • Size 288B
                • SHA256 2fca1f29b73dd5b4159fa1eb16e69276482f5224ba7d2219a547039129a51f0e
                • MD5 SHA1 SHA512 TLSH

                badata_x64.dll

                • Path C:\Users\Admin\Downloads\badata_x64.dll
                • Size 81KB
                • SHA256 e3b2ef01d90af328a7225d7e3133cc7802686ca2b9cf37ed474ec0b54b4d706e
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/5732-11-0x000001E9079C0000-0x000001E9080E1000-memory.dmp

                memory/5732-15-0x000001E957130000-0x000001E9577B0000-memory.dmp

                memory/5732-13-0x000001E90C680000-0x000001E90F9F1000-memory.dmp