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Resubmissions

29/04/2024, 01:03

240429-bebvcade85 7

29/04/2024, 00:59

240429-bcdadsdh2x 7

Analysis

  • max time kernel
    1800s
  • max time network
    1697s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29/04/2024, 01:03

General

  • Target

    Voice.ai-Downloader.exe

  • Size

    477KB

  • MD5

    40ffaea0c96bc8fd1ac022ecf287980b

  • SHA1

    c9ff64fecee39aa1a4f1c930d6b6ad423e1b1c14

  • SHA256

    100dba151efe66c842fde4337857fd3db4568c1e3ee008e412927e67ed72094e

  • SHA512

    cc0f2ff6b650644564d7469031c96fcaf93b9dd82318eda244abb65970d2e5697ba27bb0c62e31f4f654cc031ac7f19f0692f444674fd174f9acbc201c8944dd

  • SSDEEP

    3072:ckBGWOsTIJgIDU5A/cNo68pMABlZQ2wpFD0ra42L5GYDxJ0ytta:c1ssjH5Mp2w7g+42LUS6

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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\Voice.ai-Downloader.exe
    "C:\Users\Admin\AppData\Local\Temp\Voice.ai-Downloader.exe"
    1⤵
    • Loads dropped DLL
    PID:2020
  • 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:324
    • 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,0x7fef6e69758,0x7fef6e69768,0x7fef6e69778
      2⤵
        PID:828
      • 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=1180 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:2
        2⤵
          PID:352
        • 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=1532 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:8
          2⤵
            PID:3012
          • 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=1552 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:8
            2⤵
              PID:2984
            • 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=2312 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:1
              2⤵
                PID:1708
              • 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=2320 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:1
                2⤵
                  PID:1900
                • 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=1180 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:2
                  2⤵
                    PID:2988
                  • 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=1376 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:1
                    2⤵
                      PID:2952
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3492 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:8
                      2⤵
                        PID:2480
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3608 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:8
                        2⤵
                          PID:2992
                        • 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=3916 --field-trial-handle=1212,i,8242867991158137372,17704174147688012930,131072 /prefetch:8
                          2⤵
                            PID:1808
                        • 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:2808

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

                            Filesize

                            1KB

                            MD5

                            5a3dc7062c37f1ed13f49c2680c54944

                            SHA1

                            7b7579227def2ff7a100afafde8c396cb01f192f

                            SHA256

                            5471d0c5a240c2aff6b369dc1c3b6e9eee3cfdece27a50b7379cf16b572e2686

                            SHA512

                            25b0afa3af79d7fbff6b499b246aac32ac8dcbbf8c77f1bd00ca78c0fa1d13cb84b7877f71e01d0e52ba68fa36adae3f263c18351ee82166356a15b621230d08

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

                            Filesize

                            68KB

                            MD5

                            29f65ba8e88c063813cc50a4ea544e93

                            SHA1

                            05a7040d5c127e68c25d81cc51271ffb8bef3568

                            SHA256

                            1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

                            SHA512

                            e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

                            Filesize

                            410B

                            MD5

                            303ffc2d2acd9bc914cc759bc1ed8c68

                            SHA1

                            9f3c8463826345014baf9699b678c3574e7eebde

                            SHA256

                            7fd8a48d9231a4bc0d733f36e97a3f1df4454a89d1c08a24e90dd9ccf58dff33

                            SHA512

                            8b9fdaeb0ff36dba40398583a5675b5f6452086da168e878f3b1e6678076b66c990dff6d45aaf94237d2820206412a04797269ad64bcbfcdbb13e94b30a12a93

                          • 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

                            d070384719cc5783cac414ad0ef1c75a

                            SHA1

                            dd3554743a11c9fdb8d5f594c60b65904b57e287

                            SHA256

                            90cc4d75d0be69b58b31784637407d23fbca380bab91eb32284fb690a5aee5f3

                            SHA512

                            bce8d3c64e0aaf77126115ce4fd7b8a4c28ea18456dc60d23fbc688399c0889db57750cf53a643a49b50a02cae090881bce2b8e6d2d3dfcee62bf6e8cdb29481

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

                            Filesize

                            5KB

                            MD5

                            190c40583155539b21aa8786e08c3347

                            SHA1

                            199f74c5f4a8f26feab15a7a8ed023b08cde5372

                            SHA256

                            31b0dcca00cc0a8ed987b9d91669f6f7a70506a5dac953738ede9cf62d531f03

                            SHA512

                            6125957ab36663dcafba3915293968b6da95b9eececeb3e31aae2e10b5ac750156b8915978813349228220d82a77475da11ce0ef6c2a3457cfc86f4782542ca2

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

                            Filesize

                            5KB

                            MD5

                            0874a61c8b1d3f4c597c8648c0ee53c8

                            SHA1

                            ec286411ad3a0783dfe368230a2207c5e2b486b1

                            SHA256

                            0e03128dfee3a4f0148e98c4af9db26ee67bc7a0903e69a5c969c9d6376fdb27

                            SHA512

                            4296727f139ba2c7b49d8f1c071cc5614b37428df13c037846b4ecdad10dd03c3723a730cdee0d7786c7adb8a17ea2bbb8e16f583d909647607611b42f9cdc1a

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\metadata\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                            Filesize

                            267KB

                            MD5

                            9194df39cc554bddf7f756d62546bf88

                            SHA1

                            8fc66b28509880640f3593f093f8bc3da36d8c89

                            SHA256

                            3638201cbebe29bdf60ac42cfdabd7bc08aa00b32ae3365f19fe09e321523fca

                            SHA512

                            94ebed0c5c618dc91ee50c5190634c6461e1a663e54c7de44abe6a9b7a1a0c46f07e10dc1c126d3e271a80063b1a2db6d952f2594a606e48c30ab655d8d5597c

                          • C:\Users\Admin\AppData\Local\Temp\Tar23CF.tmp

                            Filesize

                            177KB

                            MD5

                            435a9ac180383f9fa094131b173a2f7b

                            SHA1

                            76944ea657a9db94f9a4bef38f88c46ed4166983

                            SHA256

                            67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

                            SHA512

                            1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

                          • \Users\Admin\AppData\Local\Temp\nsy20BB.tmp\INetC.dll

                            Filesize

                            21KB

                            MD5

                            2b342079303895c50af8040a91f30f71

                            SHA1

                            b11335e1cb8356d9c337cb89fe81d669a69de17e

                            SHA256

                            2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

                            SHA512

                            550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

                          • \Users\Admin\AppData\Local\Temp\nsy20BB.tmp\System.dll

                            Filesize

                            12KB

                            MD5

                            792b6f86e296d3904285b2bf67ccd7e0

                            SHA1

                            966b16f84697552747e0ddd19a4ba8ab5083af31

                            SHA256

                            c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

                            SHA512

                            97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c