Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 12:55

General

  • Target

    b862c5fa7ed8ecf8aa07b258c9465776cb68815a6b9ab0c04d1a3a2ddd4dd683.exe

  • Size

    6.3MB

  • MD5

    55fc42c9e176676f91d8566f85637377

  • SHA1

    d467146fcfc3c5b53a13fc20906e686d8005c483

  • SHA256

    b862c5fa7ed8ecf8aa07b258c9465776cb68815a6b9ab0c04d1a3a2ddd4dd683

  • SHA512

    ddea2a8ffa59e0f759378416369bbc907d2009f95ed21e49290e0a77590744abf509cba1d9c3ed6feaedf54a5130759b7967a0fc8cfc3607521656fcd7c08bfb

  • SSDEEP

    98304:Q1ROYXnwB6N/g2mCw6cB27OgUWZHw7saFCKuJJBAUZLRx2:0XwBjJff2sWGFCKsJV1x2

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • UPX packed file 27 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b862c5fa7ed8ecf8aa07b258c9465776cb68815a6b9ab0c04d1a3a2ddd4dd683.exe
    "C:\Users\Admin\AppData\Local\Temp\b862c5fa7ed8ecf8aa07b258c9465776cb68815a6b9ab0c04d1a3a2ddd4dd683.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://changkongbao.lanzouq.com/ikW9T1cfeg5e
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffabce846f8,0x7ffabce84708,0x7ffabce84718
        3⤵
          PID:1200
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2248 /prefetch:2
          3⤵
            PID:4188
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2300 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3760
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2852 /prefetch:8
            3⤵
              PID:4180
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3376 /prefetch:1
              3⤵
                PID:4712
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3384 /prefetch:1
                3⤵
                  PID:2644
                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5128 /prefetch:8
                  3⤵
                    PID:3596
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5128 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2252
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5248 /prefetch:1
                    3⤵
                      PID:3492
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5180 /prefetch:1
                      3⤵
                        PID:2844
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5752 /prefetch:1
                        3⤵
                          PID:2608
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2220,9686914465017046305,5919866383297079465,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5788 /prefetch:1
                          3⤵
                            PID:1288
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:3884
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:8

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            719923124ee00fb57378e0ebcbe894f7

                            SHA1

                            cc356a7d27b8b27dc33f21bd4990f286ee13a9f9

                            SHA256

                            aa22ab845fa08c786bd3366ec39f733d5be80e9ac933ed115ff048ff30090808

                            SHA512

                            a207b6646500d0d504cf70ee10f57948e58dab7f214ad2e7c4af0e7ca23ce1d37c8c745873137e6c55bdcf0f527031a66d9cc54805a0eac3678be6dd497a5bbc

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            d7114a6cd851f9bf56cf771c37d664a2

                            SHA1

                            769c5d04fd83e583f15ab1ef659de8f883ecab8a

                            SHA256

                            d2c75c7d68c474d4b8847b4ba6cfd09fe90717f46dd398c86483d825a66e977e

                            SHA512

                            33bdae2305ae98e7c0de576de5a6600bd70a425e7b891d745cba9de992036df1b3d1df9572edb0f89f320e50962d06532dae9491985b6b57fd37d5f46f7a2ff8

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            2460b0d0902fff83a3ee876e416ed9ec

                            SHA1

                            6f1fef6d6c914ce9a7ac28f562153cf668f44b2b

                            SHA256

                            5fbd1ab23a9904ac2b75468a9eee2746b17609834a1627446492301f07b4f296

                            SHA512

                            48bff8b32f7592780ca50b9cd9c2d235c840c8ccf6b63b208336d1af3b60079a0b89ff6492a7ae3312039ac424bd745fc4a113c92a18d4eb2eef0b6fe66e9171

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            4e2a6e86053f20bd3c7377e894ac0981

                            SHA1

                            18ab96d2f3bf1f0cd33c15f47978356484bc0429

                            SHA256

                            ee5b3aa1788b3a187ba4991c7105d414d82577dafe96f007f3e46e827ba5acd2

                            SHA512

                            097f4a6d3e4b59a34ca965db72a82b0ed640c743e08e2a707b93a3ed908b6657cc10c19c437b6582e9799cac27f7712f2248aa935650c798689e7165228e3f64

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                            Filesize

                            16B

                            MD5

                            6752a1d65b201c13b62ea44016eb221f

                            SHA1

                            58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                            SHA256

                            0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                            SHA512

                            9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                            Filesize

                            10KB

                            MD5

                            5bb667d4573b83bf7816910281e35a1b

                            SHA1

                            753b40db1d1f8151c3c4b0e6132c51099dab6ffd

                            SHA256

                            d98554aff84c3ce8d952f144cde97ee44f69aff1a7564bf4c992b844a8f9ad8e

                            SHA512

                            beada517780eff3d088dc64f3c3fc97ca5c6e5f319cd04a1057bdb61f3f76c0ad9e98d336a4d21a8ec6fa7e212c260abd37edd4fe743ac2c0dc22e9fa9a6d420

                          • C:\Users\Admin\AppData\Local\Temp\ExuiKrnln_Win32_20230421.lib

                            Filesize

                            1.5MB

                            MD5

                            ef48d7cc52338513cc0ce843c5e3916b

                            SHA1

                            20965d86b7b358edf8b5d819302fa7e0e6159c18

                            SHA256

                            835bfef980ad0cedf10d8ade0cf5671d9f56062f2b22d0a0547b07772ceb25a8

                            SHA512

                            fd4602bd487eaad5febb5b3e9d8fe75f4190d1e44e538e7ae2d2129087f35b72b254c85d7335a81854aa2bdb4f0f2fa22e02a892ee23ac57b78cdd03a79259b9

                          • C:\Users\Admin\AppData\Local\Temp\·½°¸.ini

                            Filesize

                            10KB

                            MD5

                            842d9e10867153ad73a1a80d79afef13

                            SHA1

                            33a49d893273182e8aba6e9531c3077d4ab86516

                            SHA256

                            2823197bddf0203ea011003a4e70f2687da234a3388b5090a76da2c2562d33e4

                            SHA512

                            e6e10f63c7d3e65358bd6e66a7328f7d06d096b2ed936cd4504cfb8c6b5f4081dd55884bb915191156965b0eb9b3fda6a97b5b1a1eee45d59a41a4e375d1e518

                          • C:\Users\Admin\AppData\Local\Temp\·½°¸.ini

                            Filesize

                            8KB

                            MD5

                            16ef8177433976c14d23f839a8c1152a

                            SHA1

                            2b653ca841498be9292cbbc8b5119504e225f56d

                            SHA256

                            2a30dc50f2e6e73b059d7419b34924114bffcfa8d99f7703bfbdd4f9e5da8855

                            SHA512

                            9cccf0eb97b898988e5da63584e195528dd3a0f34d0608844a33c6ac5928d83c8159151a7a15d5382a10114b819cb72d8c5840d254d9ac1023ad6ac22ac4833e

                          • C:\Users\Admin\AppData\Local\Temp\¿ì½Ý·¢ÑÔ·½°¸.txt

                            Filesize

                            189B

                            MD5

                            322f59ce015ff2f1f00ecbe4fdfce380

                            SHA1

                            eb4756a5bb023f6d1feacdbeac6e94013e15d5b0

                            SHA256

                            c96ef901d8f23cb7626ef980c4cf5bece7aafeef9b2b8b28829d3a11a51562c1

                            SHA512

                            2610ce1c0a55da67faa9ddaca26529a87bf5ebc6706621682d54024fa887ca9cd54cdc5b854f8b79ea99b02a5277d6931f633fa876107d9ec1bf503bee23a02c

                          • C:\Users\Admin\AppData\Local\Temp\ÉèÖÃ.ini

                            Filesize

                            246B

                            MD5

                            b06ddcfdb64cc28ca0a0ef609de5f05f

                            SHA1

                            bd95d141935795e249d2ab00824839fd42c8f505

                            SHA256

                            da0a5d79dc6a120811b556885b704f9fd158b1f19dd5a9c595719feb56065f00

                            SHA512

                            a1dd3cc527ce6a6c4b0ea2c369d4370f6f1bf332c9255e1a8eebfd5986c133dacc2e6c6a55071e5bcf4724f37ff2920f2e17567ca32571e664b458e526be72b5

                          • C:\Users\Admin\AppData\Local\Temp\ÉèÖÃ.ini

                            Filesize

                            260B

                            MD5

                            924bf7a4ce305dad87743ba3c5773aa9

                            SHA1

                            12d0fddb472394b23e5176ab4ede38974e723b81

                            SHA256

                            01faf5e88442653bf38adc145d517f44d3495398e0aa666c7486b7030c126cbd

                            SHA512

                            2380c957717d3bc97ae2de96aba9cd3b50a1774eb96dc47840add1b12ee13485ee6cc6c4d30953b8f42d32ae3b02657966229fcbe58a60843df0cbd6170eb44e

                          • memory/404-40-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-8-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-34-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-32-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-30-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-28-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-22-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-18-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-16-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-55-0x0000000002850000-0x0000000002851000-memory.dmp

                            Filesize

                            4KB

                          • memory/404-54-0x0000000002C20000-0x0000000002C21000-memory.dmp

                            Filesize

                            4KB

                          • memory/404-53-0x0000000002840000-0x0000000002841000-memory.dmp

                            Filesize

                            4KB

                          • memory/404-12-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-20-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-5-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-14-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-10-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-36-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-6-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-38-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-64-0x0000000000400000-0x0000000000AA7000-memory.dmp

                            Filesize

                            6.7MB

                          • memory/404-85-0x0000000006510000-0x0000000006511000-memory.dmp

                            Filesize

                            4KB

                          • memory/404-84-0x0000000006520000-0x0000000006521000-memory.dmp

                            Filesize

                            4KB

                          • memory/404-0-0x0000000000400000-0x0000000000AA7000-memory.dmp

                            Filesize

                            6.7MB

                          • memory/404-44-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-47-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-48-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-50-0x0000000002830000-0x0000000002831000-memory.dmp

                            Filesize

                            4KB

                          • memory/404-49-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-26-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-24-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-2-0x0000000002800000-0x000000000280B000-memory.dmp

                            Filesize

                            44KB

                          • memory/404-4-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-3-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/404-1-0x0000000002800000-0x000000000280B000-memory.dmp

                            Filesize

                            44KB