Resubmissions

29-03-2024 00:20

240329-amqg2acd8z 10

29-03-2024 00:16

240329-aksvdacd4y 10

29-03-2024 00:12

240329-ahhavsda23 10

Analysis

  • max time kernel
    45s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 00:16

General

  • Target

    Ro-Byfron-1.0.exe

  • Size

    2.2MB

  • MD5

    2d1ee30378ae7634acc1b4558cfc170d

  • SHA1

    8442725a2528e8bb849110987580ca9c110b379b

  • SHA256

    8f6787371c660aa144c6521491afe4bc05252874c623cec155dac5dae9777ca9

  • SHA512

    733786a5968e5e552fe18d199424992d745408bac2f206bbc3ea7a8ac4589eeb67e47ff0941c3389691edd1286b5007b629024f1bc1a88e0a0f62f0f48459785

  • SSDEEP

    24576:OOfsfKozBKHAhRh3KzPSA7R7Bt28SVSVlzyQOQZ9IEb68vL4R+2pYJeCYMXABtW:PBozBdhEV7q8bOQnIFWY+3Je0w+

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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\Ro-Byfron-1.0.exe
    "C:\Users\Admin\AppData\Local\Temp\Ro-Byfron-1.0.exe"
    1⤵
      PID:2216
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:2544
      • 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:2568
        • 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,0x7fef5ef9758,0x7fef5ef9768,0x7fef5ef9778
          2⤵
            PID:2472
          • 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=1156 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:2
            2⤵
              PID:2932
            • 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=1448 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:8
              2⤵
                PID:2160
              • 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=1644 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:8
                2⤵
                  PID:1448
                • 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=2324 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:1
                  2⤵
                    PID:1892
                  • 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=2336 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:1
                    2⤵
                      PID:2552
                    • 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=1620 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:2
                      2⤵
                        PID:656
                      • 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=3276 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:1
                        2⤵
                          PID:412
                        • 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=3940 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:8
                          2⤵
                            PID:2248
                          • 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=2628 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:1
                            2⤵
                              PID:1624
                            • 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=3428 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:8
                              2⤵
                                PID:2176
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3816 --field-trial-handle=1372,i,5808008001461356596,11129571461385125866,131072 /prefetch:8
                                2⤵
                                  PID:1516
                              • 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:2916
                                • C:\Users\Admin\Downloads\Ro-Byfron-1.0.exe
                                  "C:\Users\Admin\Downloads\Ro-Byfron-1.0.exe"
                                  1⤵
                                    PID:2080
                                  • C:\Users\Admin\Downloads\Ro-Byfron-1.0.exe
                                    "C:\Users\Admin\Downloads\Ro-Byfron-1.0.exe"
                                    1⤵
                                      PID:1348

                                    Network

                                    MITRE ATT&CK Matrix ATT&CK v13

                                    Discovery

                                    Query Registry

                                    1
                                    T1012

                                    System Information Discovery

                                    1
                                    T1082

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
                                      Filesize

                                      1KB

                                      MD5

                                      a266bb7dcc38a562631361bbf61dd11b

                                      SHA1

                                      3b1efd3a66ea28b16697394703a72ca340a05bd5

                                      SHA256

                                      df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

                                      SHA512

                                      0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

                                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
                                      Filesize

                                      242B

                                      MD5

                                      3f6cc25329026dacb4d49585ad3f363a

                                      SHA1

                                      4a70966b997278bcf9b766eb4a8c624cfaa14d53

                                      SHA256

                                      d99b6f19f05402b130ee5d57bc6ac3fd70c6b9831ee27dd0b053041ca9d2f5ea

                                      SHA512

                                      55fd052a9fe389fb86ef698d80c16d3a3066680dba3915b5c8c1e6b1b727fe2cfd520b3155320b3c23edaa5476aae0aa29069563da0d4d02c6f20d26985351e4

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\6bb59f8e-f59e-487d-b0a0-d274c4fc09de.tmp
                                      Filesize

                                      5KB

                                      MD5

                                      218a08e6d200d8b5b7742c1e0ce61ced

                                      SHA1

                                      211cc0b4673be38a08d42083cce6d6929e7d87cf

                                      SHA256

                                      fe895830252f5e94c93b85122588f23b0c2588c8bb5668556635278ac5e60e93

                                      SHA512

                                      16bd21fff07ec82dd9c7e8debfea5012f2bed1b631408fe6445fc85300214abfef174d8a923a5f54283ecb8c5c5282671e471a5382464f30405dddff5db863ff

                                    • 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\GPUCache\data_1
                                      Filesize

                                      264KB

                                      MD5

                                      f50f89a0a91564d0b8a211f8921aa7de

                                      SHA1

                                      112403a17dd69d5b9018b8cede023cb3b54eab7d

                                      SHA256

                                      b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                                      SHA512

                                      bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      Filesize

                                      5KB

                                      MD5

                                      1aa2d838bb03d6e5ba20948d71c4465b

                                      SHA1

                                      d27c4f71b0aa6c4974a5beecac1c4a631eafa56b

                                      SHA256

                                      b6c9c6f6bfcaf53290834a97f147ad8a5847020666828c0515573f601be3982f

                                      SHA512

                                      9a81fc532ef0137732b98a3ab9dc881cc302ded2e77d0e0f867c62f67cf0725860c6236f64aa25d219f7e90275f04a99a0a7f5b12c6ee752bea7d6fb69340b75

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp
                                      Filesize

                                      16B

                                      MD5

                                      18e723571b00fb1694a3bad6c78e4054

                                      SHA1

                                      afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                                      SHA256

                                      8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                                      SHA512

                                      43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                                    • C:\Users\Admin\AppData\Local\Temp\Cab3CD2.tmp
                                      Filesize

                                      68KB

                                      MD5

                                      29f65ba8e88c063813cc50a4ea544e93

                                      SHA1

                                      05a7040d5c127e68c25d81cc51271ffb8bef3568

                                      SHA256

                                      1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

                                      SHA512

                                      e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

                                    • C:\Users\Admin\AppData\Local\Temp\TarC93D.tmp
                                      Filesize

                                      177KB

                                      MD5

                                      435a9ac180383f9fa094131b173a2f7b

                                      SHA1

                                      76944ea657a9db94f9a4bef38f88c46ed4166983

                                      SHA256

                                      67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

                                      SHA512

                                      1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

                                    • C:\Users\Admin\Downloads\Byfron-Bypass-ByfronV1.3.zip.crdownload
                                      Filesize

                                      1.1MB

                                      MD5

                                      201d2b4e8eaa71cbadc3602daca145bb

                                      SHA1

                                      0f71a894534495b2c38218a1c7847f95422988fe

                                      SHA256

                                      1410e2f1ecfe6eaebe24796b4cc3ca941caa38117ec8746599ba1371a3d1a075

                                      SHA512

                                      278b203ceef0d98875b7756a231c3beb526c1c4656d1b2a808f40030879196373c93f9170fb768ed9c2ded4a67eb11f79fea378e953c7c583464da6ae8bc7ab9

                                    • \??\pipe\crashpad_2568_JAQBEISLPLGMFVKE
                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e