Analysis

  • user interaction
    yes
  • max time kernel
    898s
  • max time network
    433s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/05/2026, 01:34

General

  • Target
    iajq0rJqUmx7.exe
  • Size 1.4MB
  • Sample260503-bza4jsd13m
  • SHA256 021f53c2328113f02db282d7bde017efcf807b1021173e497c06711a15d7f98f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Checks processor information in registry 2 TTPs 24 IoCs

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

  • Modifies registry class 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 41 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\iajq0rJqUmx7.exe
    "C:\Users\Admin\AppData\Local\Temp\iajq0rJqUmx7.exe"
    1⤵
      PID:2304
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2952
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4228
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          2⤵
          • Downloads MZ/PE file
          • Subvert Trust Controls: Mark-of-the-Web Bypass
          • Checks processor information in registry
          • Modifies registry class
          • NTFS ADS
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:772
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2004 -prefsLen 27099 -prefMapHandle 2008 -prefMapSize 270279 -ipcHandle 2084 -initialChannelId {8a9466d1-1334-4b2b-b64c-d59a84e057ad} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
            3⤵
              PID:2060
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2476 -prefsLen 27135 -prefMapHandle 2480 -prefMapSize 270279 -ipcHandle 2352 -initialChannelId {a09c5aca-bf41-4b65-ac01-d9808f7dc4fb} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
              3⤵
              • Checks processor information in registry
              PID:2708
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3740 -prefsLen 27276 -prefMapHandle 3744 -prefMapSize 270279 -jsInitHandle 3748 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3756 -initialChannelId {cf2bee75-d43f-4226-bb9a-2bd64318e881} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              3⤵
              • Checks processor information in registry
              PID:3348
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3936 -prefsLen 27276 -prefMapHandle 3940 -prefMapSize 270279 -ipcHandle 4024 -initialChannelId {79da0ffd-e6fb-449b-a4e6-577d0db79175} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              3⤵
                PID:3828
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4604 -prefsLen 34775 -prefMapHandle 4608 -prefMapSize 270279 -jsInitHandle 4612 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4620 -initialChannelId {17100281-46d5-4867-b818-d65bf0085c08} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                3⤵
                • Checks processor information in registry
                PID:4440
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5072 -prefsLen 35012 -prefMapHandle 5076 -prefMapSize 270279 -ipcHandle 5084 -initialChannelId {517afc5b-3ffc-4a40-8696-67dcb4c6a037} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                3⤵
                • Checks processor information in registry
                PID:5536
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5268 -prefsLen 32952 -prefMapHandle 5272 -prefMapSize 270279 -jsInitHandle 5276 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5208 -initialChannelId {8cd6c2e4-c1d1-45b4-aa9f-b5faa3d1ad6b} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                3⤵
                • Checks processor information in registry
                PID:5604
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5444 -prefsLen 32952 -prefMapHandle 5448 -prefMapSize 270279 -jsInitHandle 5452 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5460 -initialChannelId {83768b82-f95a-46b4-aa11-85ee17e26a15} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                3⤵
                • Checks processor information in registry
                PID:5616
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5628 -prefsLen 32952 -prefMapHandle 5632 -prefMapSize 270279 -jsInitHandle 5636 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5644 -initialChannelId {71502f99-ab00-4261-b010-5e2195f8cf88} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                3⤵
                • Checks processor information in registry
                PID:5624
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3036 -prefsLen 36718 -prefMapHandle 6280 -prefMapSize 270279 -jsInitHandle 6324 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6288 -initialChannelId {cf828667-5ad6-449e-b192-d596afa31758} -parentPid 772 -crashReporter "\\.\pipe\gecko-crash-server-pipe.772" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
                3⤵
                • Checks processor information in registry
                PID:5264
              • C:\Users\Admin\Downloads\iajq0rJqUmx7.exe
                "C:\Users\Admin\Downloads\iajq0rJqUmx7.exe"
                3⤵
                • Executes dropped EXE
                PID:1720
          • C:\Users\Admin\Downloads\iajq0rJqUmx7.exe
            "C:\Users\Admin\Downloads\iajq0rJqUmx7.exe"
            1⤵
            • Executes dropped EXE
            PID:4076

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                F58F0605C722D0D848D03D88AC8E3E50223F57B0

                • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\14tbp3gd.default-release\cache2\entries\F58F0605C722D0D848D03D88AC8E3E50223F57B0
                • Size 13KB
                • SHA256 d3b9aa7beba89e764533fbefdd0f403189ee7f427a58ca525609cc36373e46a4
                • MD5 SHA1 SHA512 SSDEEP TLSH

                tmpaddon

                • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                • Size 11KB
                • SHA256 ddf3ba4e25a622276755133e0cce5605b83719c7cab3546e09acbfed00d6a986
                • MD5 SHA1 SHA512 SSDEEP TLSH

                tmpaddon

                • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                • Size 502KB
                • SHA256 87862f4bc8559fbe578389a9501dc01c4c585edb4bb03b238493327296d60171
                • MD5 SHA1 SHA512 SSDEEP TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\db\data.safe.tmp
                • Size 29KB
                • SHA256 53c63b549d94288a3bfdb23f401184e2eba29f3e5d066944ae07731b0b6f8d52
                • MD5 SHA1 SHA512 SSDEEP TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\db\data.safe.tmp
                • Size 29KB
                • SHA256 f87dc8b830578cbeff32ff862ad8802d75dcd55dd1414cd9d8ec776b517d4d44
                • MD5 SHA1 SHA512 SSDEEP TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\db\data.safe.tmp
                • Size 33KB
                • SHA256 0ba5215ab6081e3bd6186e55cf9545bcfcb876de3efca3fc308d96ab8e2b0c2e
                • MD5 SHA1 SHA512 SSDEEP TLSH

                events

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\events\events
                • Size 1KB
                • SHA256 bc8ce73ad6998e4885135d9082acec959955279e1825c993132dd8d9557ebcfb
                • MD5 SHA1 SHA512 TLSH

                0418b4b9-15e9-4599-9af7-dda15f98ab07

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\pending_pings\0418b4b9-15e9-4599-9af7-dda15f98ab07
                • Size 235B
                • SHA256 1c63ad866b5129d210dcf5f878d52435e214ee13a482a2cca5a6803dbee58be9
                • MD5 SHA1 SHA512 TLSH

                b197b414-6597-4d9a-8003-0a92bf65a2a6

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\pending_pings\b197b414-6597-4d9a-8003-0a92bf65a2a6
                • Size 6KB
                • SHA256 654679d7950c06709e2c3cde779ea43a911c344d56097c108abe06a1ede75bb5
                • MD5 SHA1 SHA512 SSDEEP TLSH

                cae8aebe-2667-42cf-a59e-d3a27a4617e8

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\pending_pings\cae8aebe-2667-42cf-a59e-d3a27a4617e8
                • Size 886B
                • SHA256 67bc30f09fa9ec7b7d096f50786f277beb04792e4cb0e7f083863aa048039983
                • MD5 SHA1 SHA512 TLSH

                db300a96-c032-4e55-bbfc-3000f2ae02b7

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\pending_pings\db300a96-c032-4e55-bbfc-3000f2ae02b7
                • Size 2KB
                • SHA256 bdd4db2572cfba5be703cbe8aff272221387f0de4df7e90a6a6ffe3c67be0113
                • MD5 SHA1 SHA512 TLSH

                de9fbebd-0677-4162-a120-92ead972fb03

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\pending_pings\de9fbebd-0677-4162-a120-92ead972fb03
                • Size 235B
                • SHA256 fba551f5f124213f01a87bf49f5b807ff849575bef4b925dadf577d2e25dfa84
                • MD5 SHA1 SHA512 TLSH

                e0f52c92-4635-470a-b443-39897a237e4e

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\datareporting\glean\pending_pings\e0f52c92-4635-470a-b443-39897a237e4e
                • Size 871B
                • SHA256 7539366890a5d43b54b8eb28b52799f7d99f2155f41a08563f0b4a2eef07ed61
                • MD5 SHA1 SHA512 TLSH

                extensions.json

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\extensions.json
                • Size 16KB
                • SHA256 1910efdd24b5a6616072b97b59ca4cbcde017f35f869214aeb18e6f241ee0f7f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                gmpopenh264.dll

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\gmp-gmpopenh264\2.6.0\gmpopenh264.dll
                • Size 1.1MB
                • SHA256 37c005a7789747b412d6c0a6a4c30d15732da3d857b4f94b744be1a67231b651
                • MD5 SHA1 SHA512 SSDEEP TLSH

                gmpopenh264.info

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\gmp-gmpopenh264\2.6.0\gmpopenh264.info
                • Size 116B
                • SHA256 fe7686a6281f0ab519c32c788ce0da0d01640425018dcffcfcb81105757f6fe6
                • MD5 SHA1 SHA512 TLSH

                manifest.json

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\gmp-widevinecdm\4.10.2934.0\manifest.json
                • Size 1001B
                • SHA256 25ac9b79df29fa869b4c9f4ca3bdbc3a85f6122f5a8efab5a1216d577099becc
                • MD5 SHA1 SHA512 TLSH

                widevinecdm.dll

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\gmp-widevinecdm\4.10.2934.0\widevinecdm.dll
                • Size 18.9MB
                • SHA256 875a76af5b19622842c9b37fe77dce10ee83f27adbdcfcde9c814d4e1226d023
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs-1.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\prefs-1.js
                • Size 11KB
                • SHA256 1d779da04d63bf860ee2f8c825db33451598ad4048a4a10f146f8c4318994de1
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\prefs.js
                • Size 8KB
                • SHA256 48e845f04705df939285b769f2fa4fc69ec9a2f9394ab309c624b26c07f9be0d
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\prefs.js
                • Size 6KB
                • SHA256 d74510589fef305976dc36f53e2cff3bb8afeaa409b2f7389f689011b9fca9ae
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\prefs.js
                • Size 6KB
                • SHA256 2d67cfb5d2b19c5a38b200bdf218ce80dedb92b925bf92e2536e321b05475ed6
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\prefs.js
                • Size 7KB
                • SHA256 b0d79195b0f50646918a2578d7b94ce1e22ee54809a20f2c39295ec80c82779c
                • MD5 SHA1 SHA512 SSDEEP TLSH

                recovery.baklz4

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\sessionstore-backups\recovery.baklz4
                • Size 1KB
                • SHA256 81446459ec06342773e1d47fb3ff79576670aa0fec4a7854131a3e537ae3609b
                • MD5 SHA1 SHA512 TLSH

                3870112724rsegmnoittet-es.sqlite

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\14tbp3gd.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                • Size 6.0MB
                • SHA256 a79fca13640ad58bca0a95435a16df4bf8d174ebaf06611a9a79ebe33832ba33
                • MD5 SHA1 SHA512 SSDEEP TLSH

                iajq0rJqUmx7.hekPz0cL.exe.part

                • Path C:\Users\Admin\Downloads\iajq0rJqUmx7.hekPz0cL.exe.part
                • Size 1.4MB
                • SHA256 021f53c2328113f02db282d7bde017efcf807b1021173e497c06711a15d7f98f
                • MD5 SHA1 SHA512 SSDEEP TLSH