Analysis

  • max time kernel
    98s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 03:50

General

  • Target
    06e278e4848089b1482c418ffd7a23adaf344a3bc03c843d8878c33b740a2236.exe
  • Size 219KB
  • Sample240612-eebfcszfrj
  • SHA256 06e278e4848089b1482c418ffd7a23adaf344a3bc03c843d8878c33b740a2236
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 13 IoCs
  • Checks for any installed AV software in registry 1 TTPs 6 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 4 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks processor information in registry 2 TTPs 15 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06e278e4848089b1482c418ffd7a23adaf344a3bc03c843d8878c33b740a2236.exe
    "C:\Users\Admin\AppData\Local\Temp\06e278e4848089b1482c418ffd7a23adaf344a3bc03c843d8878c33b740a2236.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Windows\Temp\asw.0a76886c17e32e74\avg_antivirus_free_setup_x64.exe
      "C:\Windows\Temp\asw.0a76886c17e32e74\avg_antivirus_free_setup_x64.exe" /cookie:mmm_bav_008_999_a7f_m /ga_clientid:94dfe632-b3b7-43bb-a548-b51c16192a05 /edat_dir:C:\Windows\Temp\asw.0a76886c17e32e74
      2⤵
      • Executes dropped EXE
      • Checks for any installed AV software in registry
      • Writes to the Master Boot Record (MBR)
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3308
      • C:\Windows\Temp\asw.8810792c52abe808\instup.exe
        "C:\Windows\Temp\asw.8810792c52abe808\instup.exe" /sfx:lite /sfxstorage:C:\Windows\Temp\asw.8810792c52abe808 /edition:15 /prod:ais /stub_context:421e2ba2-74b3-4d1c-b46c-2878b3ec61ab:9994552 /guid:bf474e6d-c780-4739-8948-7c4c6cd3fc84 /ga_clientid:94dfe632-b3b7-43bb-a548-b51c16192a05 /cookie:mmm_bav_008_999_a7f_m /ga_clientid:94dfe632-b3b7-43bb-a548-b51c16192a05 /edat_dir:C:\Windows\Temp\asw.0a76886c17e32e74
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks for any installed AV software in registry
        • Writes to the Master Boot Record (MBR)
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3840
        • C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\instup.exe
          "C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\instup.exe" /sfx /sfxstorage:C:\Windows\Temp\asw.8810792c52abe808 /edition:15 /prod:ais /stub_context:421e2ba2-74b3-4d1c-b46c-2878b3ec61ab:9994552 /guid:bf474e6d-c780-4739-8948-7c4c6cd3fc84 /ga_clientid:94dfe632-b3b7-43bb-a548-b51c16192a05 /cookie:mmm_bav_008_999_a7f_m /edat_dir:C:\Windows\Temp\asw.0a76886c17e32e74 /online_installer
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks for any installed AV software in registry
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1160
          • C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe
            "C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe" -checkGToolbar -elevated
            5⤵
            • Executes dropped EXE
            PID:4552
          • C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe
            "C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe" /check_secure_browser
            5⤵
            • Executes dropped EXE
            PID:456
          • C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe
            "C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe" -checkChrome -elevated
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:960
          • C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe
            "C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe" -checkChromeReactivation -elevated -bc=AWFC
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1596
            • C:\Users\Public\Documents\aswOfferTool.exe
              "C:\Users\Public\Documents\aswOfferTool.exe" -checkChromeReactivation -bc=AWFC
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:2420
          • C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe
            "C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe" -checkChromeReactivation -elevated -bc=AWFC
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:3524
            • C:\Users\Public\Documents\aswOfferTool.exe
              "C:\Users\Public\Documents\aswOfferTool.exe" -checkChromeReactivation -bc=AWFC
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              PID:1488
          • C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe
            "C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\aswOfferTool.exe" -checkChrome -elevated
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:1328

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Setup.log

        • Path C:\ProgramData\AVG\Persistent Data\Antivirus\Logs\Setup.log
        • Size 26KB
        • SHA256 f05f8a897c1ba3a6ab491fbd9698a9da5fba126293fc60c615b3ef2bb5026564
        • MD5 SHA1 SHA512 SSDEEP

        Setup.log

        • Path C:\ProgramData\AVG\Persistent Data\Antivirus\Logs\Setup.log
        • Size 1KB
        • SHA256 586465ec32695415b039f692b14a99421a3e0da9449776950f9e8a3633b57993
        • MD5 SHA1 SHA512

        event_manager.log

        • Path C:\ProgramData\AVG\Persistent Data\Antivirus\Logs\event_manager.log
        • Size 281B
        • SHA256 3b7e413b945277958f795e9597e512d03d0fcb6b0f712f49e4d88259f11278c3
        • MD5 SHA1 SHA512

        avg_antivirus_free_setup_x64.exe

        • Path C:\Windows\Temp\asw.0a76886c17e32e74\avg_antivirus_free_setup_x64.exe
        • Size 9.5MB
        • SHA256 47cee4d44e8fe27f3229fa751c11259227a00b605d6a42e2cb066f100a9049c3
        • MD5 SHA1 SHA512 SSDEEP

        ecoo.edat

        • Path C:\Windows\Temp\asw.0a76886c17e32e74\ecoo.edat
        • Size 21B
        • SHA256 440d6eaf6f04e6b763e71a5fa256f92ad401f028a471f424f8b9db5ff50fadb0
        • MD5 SHA1 SHA512

        HTMLayout.dll

        • Path C:\Windows\Temp\asw.8810792c52abe808\HTMLayout.dll
        • Size 4.0MB
        • SHA256 0ffd67c501dd1778c35830465f07f2390e318a485e0b22e437404b0a9d4b5ad2
        • MD5 SHA1 SHA512 SSDEEP

        Instup.dll

        • Path C:\Windows\Temp\asw.8810792c52abe808\Instup.dll
        • Size 18.1MB
        • SHA256 67721cd04b1866888a97c1027e6d6ca5805b08124b724a31ff9931f9f3e28b2a
        • MD5 SHA1 SHA512 SSDEEP

        Instup.exe

        • Path C:\Windows\Temp\asw.8810792c52abe808\Instup.exe
        • Size 3.6MB
        • SHA256 068bd9cd5dc944ff9030bdf3e31638408314e54861b93cdaf8c3c905a8005cac
        • MD5 SHA1 SHA512 SSDEEP

        asw16a64b679ba7b86e.tmp

        • Path C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\asw16a64b679ba7b86e.tmp
        • Size 19KB
        • SHA256 7fd358eddcef6756f315fec2bfad52286402f7194104fcfd3dcec7d588597025
        • MD5 SHA1 SHA512 SSDEEP

        gcapi.dll

        • Path C:\Windows\Temp\asw.8810792c52abe808\New_18050d08\gcapi.dll
        • Size 867KB
        • SHA256 e0d08b9da7e502ad8c75f8be52e9a08a6bcd0c5f98d360704173be33777e4905
        • MD5 SHA1 SHA512 SSDEEP

        asw957c6bd21f917998.ini

        • Path C:\Windows\Temp\asw.8810792c52abe808\asw957c6bd21f917998.ini
        • Size 1KB
        • SHA256 8244a39b0f20a0fced77dab96ab441b9e4ac467ba9470fbc984a15dcc6f070a0
        • MD5 SHA1 SHA512

        avbugreport_x64_ais-d08.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\avbugreport_x64_ais-d08.vpx
        • Size 4.7MB
        • SHA256 b1819bf1551be44e0f293f6b6ead1841aacb63ca3a9d90f1a31c9cb52f648c6e
        • MD5 SHA1 SHA512 SSDEEP

        avdump_x64_ais-d08.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\avdump_x64_ais-d08.vpx
        • Size 3.3MB
        • SHA256 55ebd9dc7c26877a51e11722d3ea17f1afdf39a30aeda07ef6804659c34e54c4
        • MD5 SHA1 SHA512 SSDEEP

        config.def

        • Path C:\Windows\Temp\asw.8810792c52abe808\config.def
        • Size 18KB
        • SHA256 e30036d31d2a1737db17c4a684a62059cc0aefedc6ebe662e00b0d9c0d94eb2e
        • MD5 SHA1 SHA512 SSDEEP

        config.def

        • Path C:\Windows\Temp\asw.8810792c52abe808\config.def
        • Size 24KB
        • SHA256 8f9d74022029d4dace08db9cbf74a2afd8c14023f038229526da3fc43c4a9422
        • MD5 SHA1 SHA512 SSDEEP

        config.def

        • Path C:\Windows\Temp\asw.8810792c52abe808\config.def
        • Size 18KB
        • SHA256 b64d1d23aef5cdeeb2279216a00c931b201bce90407c9cbff3a7ef2742873878
        • MD5 SHA1 SHA512 SSDEEP

        config.ini

        • Path C:\Windows\Temp\asw.8810792c52abe808\config.ini
        • Size 676B
        • SHA256 90feffbc2b9497763566c864f0289494734581800d9259f15f44602364e8fcde
        • MD5 SHA1 SHA512

        offertool_x64_ais-d08.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\offertool_x64_ais-d08.vpx
        • Size 2.3MB
        • SHA256 0b7c3caa31928131ce0e1ca570aa72e20a98dda13e4ca0c59f31cc677d8e8c6e
        • MD5 SHA1 SHA512 SSDEEP

        part-jrog2-78.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\part-jrog2-78.vpx
        • Size 211B
        • SHA256 d7356e185708ab40b1bbe0f7691a97b5f2cfa3edf2e00f2aa5cab18ae3e63787
        • MD5 SHA1 SHA512

        part-prg_ais-18050d08.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\part-prg_ais-18050d08.vpx
        • Size 73KB
        • SHA256 4b01a68078d7e1af1c0197baddbbb1ef4d3cbf13f71e8b9df766f88b4e6d8025
        • MD5 SHA1 SHA512 SSDEEP

        part-setup_ais-18050d08.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\part-setup_ais-18050d08.vpx
        • Size 4KB
        • SHA256 675bd92f752a51bd7d9797895252b3130095a06d7d5db8f221ab6251735ead8d
        • MD5 SHA1 SHA512 SSDEEP

        part-vps_windows-24061003.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\part-vps_windows-24061003.vpx
        • Size 7KB
        • SHA256 544d75f184c7ccef191ba7526985f461e5b19493cd9f61ed73c422e449eed51e
        • MD5 SHA1 SHA512 SSDEEP

        prod-pgm.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\prod-pgm.vpx
        • Size 572B
        • SHA256 846f9f2f624c8a1f001a4bd7c7ca3158c8c79cb11fa6d474cfdf8e48d0238a3f
        • MD5 SHA1 SHA512

        prod-vps.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\prod-vps.vpx
        • Size 343B
        • SHA256 52e06087d9c0968150bc5d3b06895e3ab9b69aebea20e0328434b703aa242099
        • MD5 SHA1 SHA512

        prod-vps.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\prod-vps.vpx
        • Size 341B
        • SHA256 ad8c1dbb522554e094112fceb4fd627d393638672559d9fbcd624d9efb13242b
        • MD5 SHA1 SHA512

        servers.def

        • Path C:\Windows\Temp\asw.8810792c52abe808\servers.def
        • Size 27KB
        • SHA256 1fc616dd97e72451eda1324979f65df6af823aaaee1c83e5c2c3f3308cd26a67
        • MD5 SHA1 SHA512 SSDEEP

        servers.def.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\servers.def.vpx
        • Size 1KB
        • SHA256 e1b5e5122457b19ad5175b0b372d6d0b55813503827ad1d84c26f23b8506a66d
        • MD5 SHA1 SHA512

        setup.def

        • Path C:\Windows\Temp\asw.8810792c52abe808\setup.def
        • Size 38KB
        • SHA256 0b9aedce74468150c054d27649dad8f98109e537a581649be6668a13cd29e6a7
        • MD5 SHA1 SHA512 SSDEEP

        uat64.dll

        • Path C:\Windows\Temp\asw.8810792c52abe808\uat64.dll
        • Size 29KB
        • SHA256 5a690ef46a5c889adbad580b773a6025040426ee11d3817927dd1e77698e8ece
        • MD5 SHA1 SHA512 SSDEEP

        uat64.vpx

        • Path C:\Windows\Temp\asw.8810792c52abe808\uat64.vpx
        • Size 16KB
        • SHA256 bf60d1aa67abc73f927e1544ba8b66a79ec9143caedb15e1d94d023be6aba036
        • MD5 SHA1 SHA512 SSDEEP