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Analysis

  • max time kernel
    19s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    19/02/2024, 15:54

Errors

Reason
Machine shutdown

General

  • Target

    eulean.exe

  • Size

    258KB

  • MD5

    1b3b04e73ec90d7a8ddd32594d9b2665

  • SHA1

    278ec0777c849043d5795b32313c2bacf016b0a0

  • SHA256

    cdadb51628834d8bf40d9a276f9936a1fb98c4de1faa71ab1d7523544d7b9d3f

  • SHA512

    dad41af70e6ce4aca5579a2a103e7a34584bb358431b0aad238e70ed36c93fd23c78da1095541356a6784fb91f846ef5442173cbdc86c2ae146afbd59c2ad0cd

  • SSDEEP

    6144:HnQ4i55KyoV2c4xWt5iywJvF1yWy1rohMzmSn:HIAlV2cUW0JGnJoW5n

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eulean.exe
    "C:\Users\Admin\AppData\Local\Temp\eulean.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system certificate store
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Users\Admin\AppData\Local\Temp\eulean.exe
      "C:\Users\Admin\AppData\Local\Temp\eulean.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:2692
    • C:\Windows\system32\cmd.exe
      cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\eulean.exe_tmp"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:352
      • C:\Windows\system32\PING.EXE
        ping 1.1.1.1 -n 1 -w 3000
        3⤵
        • Runs ping.exe
        PID:1536
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6f69758,0x7fef6f69768,0x7fef6f69778
      2⤵
        PID:2112
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1192 --field-trial-handle=1404,i,11997491230603939838,13233656509555372489,131072 /prefetch:2
        2⤵
          PID:648
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1436 --field-trial-handle=1404,i,11997491230603939838,13233656509555372489,131072 /prefetch:8
          2⤵
            PID:920
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1620 --field-trial-handle=1404,i,11997491230603939838,13233656509555372489,131072 /prefetch:8
            2⤵
              PID:448
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2292 --field-trial-handle=1404,i,11997491230603939838,13233656509555372489,131072 /prefetch:1
              2⤵
                PID:2072
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2300 --field-trial-handle=1404,i,11997491230603939838,13233656509555372489,131072 /prefetch:1
                2⤵
                  PID:1328
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1568 --field-trial-handle=1404,i,11997491230603939838,13233656509555372489,131072 /prefetch:2
                  2⤵
                    PID:2748
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1292 --field-trial-handle=1404,i,11997491230603939838,13233656509555372489,131072 /prefetch:1
                    2⤵
                      PID:2476
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3644 --field-trial-handle=1404,i,11997491230603939838,13233656509555372489,131072 /prefetch:8
                      2⤵
                        PID:2632
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=3720 --field-trial-handle=1404,i,11997491230603939838,13233656509555372489,131072 /prefetch:1
                        2⤵
                          PID:2820
                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                        1⤵
                          PID:2400
                        • C:\Windows\explorer.exe
                          "C:\Windows\explorer.exe"
                          1⤵
                            PID:2692
                          • C:\Windows\system32\LogonUI.exe
                            "LogonUI.exe" /flags:0x0
                            1⤵
                              PID:648
                            • C:\Windows\system32\LogonUI.exe
                              "LogonUI.exe" /flags:0x1
                              1⤵
                                PID:2608

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

                                Filesize

                                344B

                                MD5

                                1e1e7413397b2831aa54808cae29b754

                                SHA1

                                d3a0dcd1fee511364a0f30448913e4da72399733

                                SHA256

                                7dcfeee0943ac7abc002fd55d7d8f458581b4a2dba4a4f07d259dc23c27e35ca

                                SHA512

                                26ae8075c7a5b6a107a5c4456923e27589db75187ceb8cd5e3fca0b4dd23e0977879d6ae174e9bd8a2182347864a303cfaaa458699ecdd700bff544626744627

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\43bd55c0-bee1-4e4e-8fc9-fb5595cfc22a.tmp

                                Filesize

                                255KB

                                MD5

                                8013db02b044c1cbccd1f4de6582ca98

                                SHA1

                                65d531d4c438fd85d4c0cf7bef471def81b3d654

                                SHA256

                                79a0417a67be8649ed660ae73f0175921fc6ed3068e75f2fb4a569f2ad4db35f

                                SHA512

                                a99d4e40c9121e0652faf5ee55ef21b3ff053bdec1af15250d0bd6156e560c13a6047631a49c7d8a52a26820fafe34f42abbc8ff37660c08bfa5e591521e2d51

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                                Filesize

                                16B

                                MD5

                                aefd77f47fb84fae5ea194496b44c67a

                                SHA1

                                dcfbb6a5b8d05662c4858664f81693bb7f803b82

                                SHA256

                                4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                                SHA512

                                b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\CURRENT

                                Filesize

                                16B

                                MD5

                                18e723571b00fb1694a3bad6c78e4054

                                SHA1

                                afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                SHA256

                                8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                SHA512

                                43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1

                                Filesize

                                264KB

                                MD5

                                f50f89a0a91564d0b8a211f8921aa7de

                                SHA1

                                112403a17dd69d5b9018b8cede023cb3b54eab7d

                                SHA256

                                b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                SHA512

                                bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                              • C:\Users\Admin\AppData\Local\Temp\CabFEA.tmp

                                Filesize

                                65KB

                                MD5

                                ac05d27423a85adc1622c714f2cb6184

                                SHA1

                                b0fe2b1abddb97837ea0195be70ab2ff14d43198

                                SHA256

                                c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

                                SHA512

                                6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

                              • C:\Users\Admin\AppData\Local\Temp\TarFFD.tmp

                                Filesize

                                171KB

                                MD5

                                9c0c641c06238516f27941aa1166d427

                                SHA1

                                64cd549fb8cf014fcd9312aa7a5b023847b6c977

                                SHA256

                                4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

                                SHA512

                                936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

                              • C:\Users\Admin\AppData\Local\Temp\eulean.exe

                                Filesize

                                4.8MB

                                MD5

                                15743b023aaf3800d4661fed0ad18583

                                SHA1

                                42bb54f739d25300a8d3051f9b36c1fc9d382f2a

                                SHA256

                                4db9a62b25f81e71bf02cd3badec4974c211a7d3db2f32f84ad80866bedd29ac

                                SHA512

                                8f679f7ac55dd91dc2e5018097b1a247d4b9fb5d0a9d29efd525ae3f68f7ba0cdc93369a69302e7e7d875542478c2bbaa7b6f94b8c1667e848d37a9ce9a5b43a

                              • C:\Users\Admin\AppData\Local\Temp\eulean.exe

                                Filesize

                                4.6MB

                                MD5

                                6584efe115f117e9baa234e4d5439db8

                                SHA1

                                2c2b3e886484dbe3f26a0035b01fb76337221ce4

                                SHA256

                                edaa38cd69ea82939784e892c829a6d4a0e4284aa2951707d3f39a376b4ab778

                                SHA512

                                cb817961269d6e17efc33ebf3312d2bf55fd2dd791e2e388e7a90e7ad6b9b59544bf348591eb57ea9369c7f137ef97bb7760bc74ece4f1d51fb3f3d1ecdbf566

                              • C:\Users\Admin\AppData\Local\Temp\stuff3.tmp

                                Filesize

                                5.2MB

                                MD5

                                2761811110a393a3fdc7dbd4d4a7f22e

                                SHA1

                                8fcdcb7f72980108ebf94bef101f2a8726ed331d

                                SHA256

                                022b4dfc8df20fc3fc054c0e14cae549fdd136ae5905c7dcc6f80ae058ee3f3f

                                SHA512

                                fc1c35fd74f29efafdc5e91fe7902edc5d6480cbe0d10d9e2fdaaf46413f8c3f47736d347381adab7370a2505b9bdec48c68574bfc9d0726fe0fb25492ecb6d8

                              • \Users\Admin\AppData\Local\Temp\eulean.exe

                                Filesize

                                6.2MB

                                MD5

                                ffd6533035a9a107298ab8256fae2a9a

                                SHA1

                                0acde3595b1d171325cc6fc424cefb4f5f14b148

                                SHA256

                                f21b3d20b537515fa12043e92d2c8ee24ae18bb07cb6db394bdbf9fba6445342

                                SHA512

                                1a9e2f5570aad875730e180e0cbfa5ac2a3d95ae7a58a0c04870bfac6d36cfb5de7fc8c9e4b16b358af233b3dfc6c8764b18d70bad0f928f310c9fc93331e69c

                              • memory/648-309-0x0000000002D90000-0x0000000002D91000-memory.dmp

                                Filesize

                                4KB

                              • memory/2416-140-0x0000000140000000-0x0000000140048000-memory.dmp

                                Filesize

                                288KB

                              • memory/2608-310-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

                                Filesize

                                4KB

                              • memory/2692-149-0x00000000778D0000-0x00000000778D2000-memory.dmp

                                Filesize

                                8KB

                              • memory/2692-154-0x00000000778D0000-0x00000000778D2000-memory.dmp

                                Filesize

                                8KB

                              • memory/2692-159-0x0000000140000000-0x00000001423DE000-memory.dmp

                                Filesize

                                35.9MB

                              • memory/2692-160-0x0000000077710000-0x00000000778B9000-memory.dmp

                                Filesize

                                1.7MB

                              • memory/2692-148-0x0000000140000000-0x00000001423DE000-memory.dmp

                                Filesize

                                35.9MB

                              • memory/2692-152-0x00000000778D0000-0x00000000778D2000-memory.dmp

                                Filesize

                                8KB

                              • memory/2692-151-0x0000000077710000-0x00000000778B9000-memory.dmp

                                Filesize

                                1.7MB

                              • memory/2692-147-0x00000000778C0000-0x00000000778C2000-memory.dmp

                                Filesize

                                8KB

                              • memory/2692-145-0x00000000778C0000-0x00000000778C2000-memory.dmp

                                Filesize

                                8KB

                              • memory/2692-142-0x00000000778C0000-0x00000000778C2000-memory.dmp

                                Filesize

                                8KB

                              • memory/2692-143-0x0000000140000000-0x00000001423DE000-memory.dmp

                                Filesize

                                35.9MB