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Analysis

  • max time kernel
    146s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2024, 17:22

General

  • Target

    73e8b6bf112d44312f56247e28ec3806ac7b67eb4fd3f74b0669226c29163955.exe

  • Size

    6.3MB

  • MD5

    308d065e2749e05c33921f1343174a77

  • SHA1

    1f48372f6c1be15b280fd9f2cbbff4a7b1ade07d

  • SHA256

    73e8b6bf112d44312f56247e28ec3806ac7b67eb4fd3f74b0669226c29163955

  • SHA512

    03d8308abcd4f6cee78bd7d0f0e8cd3ef0260c82a3c720e781e0d45dd08fdef710a65d85648432f4cb484ce979657553604f1702f8ee4c5394f3449d6cebc926

  • SSDEEP

    98304:Q1ROYXnwB6N/g2mCw6cB27OgUWZHw7saFCKuJJBAUZLRxF:0XwBjJff2sWGFCKsJV1xF

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\73e8b6bf112d44312f56247e28ec3806ac7b67eb4fd3f74b0669226c29163955.exe
    "C:\Users\Admin\AppData\Local\Temp\73e8b6bf112d44312f56247e28ec3806ac7b67eb4fd3f74b0669226c29163955.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:1412
    • 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:3816
      • 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,0x100,0x104,0xd8,0x108,0x7ff914d546f8,0x7ff914d54708,0x7ff914d54718
        3⤵
          PID:320
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,14793464498136267437,17521318219995190873,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
          3⤵
            PID:440
          • 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=2144,14793464498136267437,17521318219995190873,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2212 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1724
          • 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=2144,14793464498136267437,17521318219995190873,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2904 /prefetch:8
            3⤵
              PID:3468
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,14793464498136267437,17521318219995190873,131072 --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=3408 /prefetch:1
              3⤵
                PID:376
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,14793464498136267437,17521318219995190873,131072 --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=3428 /prefetch:1
                3⤵
                  PID:1712
                • 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=2144,14793464498136267437,17521318219995190873,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5260 /prefetch:8
                  3⤵
                    PID:2836
                  • 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=2144,14793464498136267437,17521318219995190873,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5260 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:312
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,14793464498136267437,17521318219995190873,131072 --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=5324 /prefetch:1
                    3⤵
                      PID:556
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,14793464498136267437,17521318219995190873,131072 --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=5264 /prefetch:1
                      3⤵
                        PID:1532
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,14793464498136267437,17521318219995190873,131072 --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=5672 /prefetch:1
                        3⤵
                          PID:5056
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,14793464498136267437,17521318219995190873,131072 --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=5700 /prefetch:1
                          3⤵
                            PID:5088
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:1404
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3728

                          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

                            e765f3d75e6b0e4a7119c8b14d47d8da

                            SHA1

                            cc9f7c7826c2e1a129e7d98884926076c3714fc0

                            SHA256

                            986443556d3878258b710d9d9efbf4f25f0d764c3f83dc54217f2b12a6eccd89

                            SHA512

                            a1872a849f27da78ebe9adb9beb260cb49ed5f4ca2d403f23379112bdfcd2482446a6708188100496e45db1517cdb43aba8bb93a75e605713c3f97cd716b1079

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

                            Filesize

                            152B

                            MD5

                            53bc70ecb115bdbabe67620c416fe9b3

                            SHA1

                            af66ec51a13a59639eaf54d62ff3b4f092bb2fc1

                            SHA256

                            b36cad5c1f7bc7d07c7eaa2f3cad2959ddb5447d4d3adcb46eb6a99808e22771

                            SHA512

                            cad44933b94e17908c0eb8ac5feeb53d03a7720d97e7ccc8724a1ed3021a5bece09e1f9f3cec56ce0739176ebbbeb20729e650f8bca04e5060c986b75d8e4921

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

                            Filesize

                            5KB

                            MD5

                            77286b76b6960dd54506bb3e9328d27c

                            SHA1

                            f9e5fa4ca103e49a0c70aceaebfff6b92a7db4c0

                            SHA256

                            658c19b3af7462de0bf5fc70ace889c3f3ccdbe95f625eb14de470e551e0560d

                            SHA512

                            a94e4a7dd9955a8705cde4270e1f35390abfa15cb823de793f7af80295b84ded67d5fe4d89dceb0c0d1b5b3e1379c19bc8e64c40e81618c7b0498fb36d5104ff

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

                            Filesize

                            6KB

                            MD5

                            b38265c9a1ac578ebc87cfe5bff758a3

                            SHA1

                            4f11cc3740e4fbe713aef70fd9cbfa23f5dae31a

                            SHA256

                            7b63c96d4d313c5d0f9a20bcfedc6b890dc9ee773bbd9feadb9d64213a0a0ebd

                            SHA512

                            db8477858ba0710ea7b8ad4ebe8167419a3877ba92969ad0bbb8f60c924018bf2e301b393670f851f68db48f064a986d3bb117540862977a50fa4b0dfdc46a3b

                          • 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

                            4b8c3ac4874502373c08cf1bec7c8156

                            SHA1

                            c668916873ce3fdf697c54d7a08adfdadeb1ac63

                            SHA256

                            b723ff6c7ec214fd98f5497e24bf65d03bd28dc3cc634932b53cbc904d7291ff

                            SHA512

                            cb71a654b42e8de43361133146b7f99c35eb213ac81d1029e8bb2e0fbd1ec4896a5c90295296a56145ab65da4d364a1befd4fa6cc457def1b0d0c65d8742aeff

                          • 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

                            02e3c0364cd93fd56fce9c2ae885339b

                            SHA1

                            ffee74b2301ef0c8e88dfa37c1d180d3eb952ec8

                            SHA256

                            50fd9ee309fd11fdd83f6cfe01ce6efeca5d8dd36f2cf075be2bf1bc7fa89095

                            SHA512

                            58f892ade02def2692de3dc09d61161db368cbd8b1491fccc4c6ac04d70d3f971d7306fe81136437c2594750cce65b04e3e510107129f6296e722035f85f6970

                          • 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/1412-24-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-55-0x00000000012D0000-0x00000000012D1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1412-6-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-5-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-26-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-22-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-20-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-16-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-14-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-10-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-8-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-4-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-3-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-48-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-49-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-50-0x0000000000E10000-0x0000000000E11000-memory.dmp

                            Filesize

                            4KB

                          • memory/1412-53-0x0000000000E30000-0x0000000000E31000-memory.dmp

                            Filesize

                            4KB

                          • memory/1412-12-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-54-0x00000000012E0000-0x00000000012E1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1412-18-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-64-0x0000000000400000-0x0000000000AA7000-memory.dmp

                            Filesize

                            6.7MB

                          • memory/1412-85-0x00000000089D0000-0x00000000089D1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1412-84-0x00000000089E0000-0x00000000089E1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1412-0-0x0000000000400000-0x0000000000AA7000-memory.dmp

                            Filesize

                            6.7MB

                          • memory/1412-28-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-30-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-32-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-34-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-39-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-41-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-43-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-46-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-36-0x0000000010000000-0x000000001003E000-memory.dmp

                            Filesize

                            248KB

                          • memory/1412-2-0x0000000000DF0000-0x0000000000DFB000-memory.dmp

                            Filesize

                            44KB

                          • memory/1412-1-0x0000000000DF0000-0x0000000000DFB000-memory.dmp

                            Filesize

                            44KB