Overview

overview

6

Static

static

1

RobloxStud...er.exe

windows11-21h2-x64

Resubmissions

02-08-2024 19:58

240802-ypzeqaxglp 6

02-08-2024 19:46

240802-yg1mtasemh 7

02-08-2024 19:45

240802-ygwc4asemb 6

02-08-2024 19:45

240802-ygqgvaselc 6

02-08-2024 19:44

240802-yf4yvaxdnq 6

02-08-2024 19:43

240802-yff7saxdlj 6

02-08-2024 19:39

240802-ydf41ascre 7

Analysis

  • max time kernel
    55s
  • max time network
    58s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02-08-2024 19:58

Sharing

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    RobloxStudioInstaller.exe

  • Size

    4.4MB

  • MD5

    96054bd5385aa4720717cd4085b91f25

  • SHA1

    472470578ce8706b17b7ac6148461da9dd70eedd

  • SHA256

    efc8ed2815bb341e102d9160fe74c12e0fb1f59513b672e5ddf63911d300a014

  • SHA512

    8ffcba01e51782c4c946b73303d2cff4105c2f7e465100c9cfaa5ae96a7cb51a6c22020c43402e4779053e7e3e1f616b374c7e019e8b089349b46e75f0886615

  • SSDEEP

    98304:4VvqeclcRUVPFZnGJTVgqekkbOcfyzmCQTqVLarbhh/C0S:iqeQVH8gakLpqlwK0S

Score
6/10
discoveryevasiontrojan

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Loads dropped DLL 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\RobloxStudioInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxStudioInstaller.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:5012
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:2344
    • C:\Windows\System32\oobe\UserOOBEBroker.exe
      C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      PID:2180
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
      C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
      1⤵
      • System Location Discovery: System Language Discovery
      PID:732
    • C:\Windows\system32\SystemSettingsAdminFlows.exe
      "C:\Windows\system32\SystemSettingsAdminFlows.exe" FeaturedResetPC
      1⤵
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3812
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:4300
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:2176
      • C:\Windows\System32\vdsldr.exe
        C:\Windows\System32\vdsldr.exe -Embedding
        1⤵
          PID:3304
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3440
        • C:\Windows\System32\vdsldr.exe
          C:\Windows\System32\vdsldr.exe -Embedding
          1⤵
            PID:3080
          • C:\Windows\system32\LogonUI.exe
            "LogonUI.exe" /flags:0x4 /state0:0xa3a2d855 /state1:0x41c64e6d
            1⤵
            • Modifies data under HKEY_USERS
            • Suspicious use of SetWindowsHookEx
            PID:300

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\$SysReset\Logs\ResetConfig.ini
            Filesize

            186B

            MD5

            47069918e9e83eb02bff5ce5498c9bbd

            SHA1

            17ffee2e0ddfec27bba8c1a3550d57c7f92960d5

            SHA256

            e7688a4bb28fbb7b562886e29da34887d6189a52041de39b538d5c2caf3c932e

            SHA512

            7a0d2ed36988aa921e0e09779bb8defe38133c8f6add2159cceeee59f5083d391fea2f7bee961b5bba4767e75eea8a2670e7900290c17ce7cc80fae7e037a4c1

            Download Submit

          • C:\$SysReset\Logs\setupact.log
            Filesize

            115KB

            MD5

            aeff1356409e6c172c9b71f62a3129bf

            SHA1

            9ff2f4f1b1add51a4996b189508fc89747635002

            SHA256

            530de52e2e60de37bd9ab5988df010ea07975372373d60b7e0932f027759a6c4

            SHA512

            b9a89c3c3c57dee349135a7f4b41305896e714e17b3ea480adca06809e3225e57dd79f3ec0c23376391b254033277e115e2ae97858171a793c8edd9bbdbca1f9

            Download Submit

          • C:\$SysReset\Logs\setuperr.log
            Filesize

            974B

            MD5

            b331993817777169cf6c2185a47f9652

            SHA1

            c341b455c6090f09f42cb97474d90bfaf8dc2f16

            SHA256

            efefa31d39e18032f7b40b80bfb2a3411c0f3592f758fdf309b04a00e8da6938

            SHA512

            fc882a81bb11def3f60b8c006d22ccd7307cd891af4fa2cfbe96e61785942c33858079b94601477e5067f770502b0b11c55a79673ed79bf66e8764e731c09a1f

            Download Submit

          • C:\Users\Admin\AppData\Local\Roblox\Downloads\roblox-studio\24591f85e9569269a3b822d0da2e0626
            Filesize

            5.5MB

            MD5

            24591f85e9569269a3b822d0da2e0626

            SHA1

            62641ade4943b93983b4e59ffd6ee4dcbd77c17e

            SHA256

            d29bcf294dd77568fd173adac8c705d991482d645127baccb7efca20f560a5a2

            SHA512

            d0bfe43ece2c598a12fe7d3f2cd12e0685b639aec0fc7a1bbdf0829b886c22208e4236500d8e6540d7faef1514769b87bbdc666602c5548649e50aa61f2077de

            Download Submit

          • C:\Users\Admin\AppData\Local\Roblox\logs\cacert.pem
            Filesize

            219KB

            MD5

            1a4af016c683d93ebfa916f641da64ac

            SHA1

            c89c32b9620917d1cdbf34fb5b03f1a595e48e3a

            SHA256

            9483f4bcc05eea3c5929627130b8e574fdc850b4fac319d7e98c4f68c59a3a0f

            SHA512

            3b2ca0d5d0bdee0d060d50c71c88c9c7d35c9d0f0956b135ca6ddfa2618feba5774fbff2ce866f18ae20b90139e0c1eb8bf4087ac9337498b733d0da434d3eec

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\{89B69FBA-90EF-4659-A1DA-89BFF65334EF}\ssshim.dll
            Filesize

            148KB

            MD5

            3de653713e705e001c3f0be1efc51ed3

            SHA1

            63565592c266226d36604933e51725e90010da25

            SHA256

            c78ebef77e03135b3cea0705d4c259d782ed80746faea4e9f4a851e494fa94f9

            SHA512

            7db1063fa2a7c0bcf394d7a20984ab1b501cb24fae5e801addace77424ba773c948a87d8c3fb38f06366b1478f70ba0278c48f219d224ff6e904ff2ee161fb4e

            Download Submit

          • C:\Windows\Logs\PBR\ResetSession.xml
            Filesize

            7KB

            MD5

            9f9b48865cf2527f5cb0ac430cfb1b30

            SHA1

            7740006a210084b0f05f9eb76682cfbfdfd291dc

            SHA256

            184cbf8147f3ba01a2dcb4060fe9b0166e808c7025dc886f134922e485e91b0c

            SHA512

            647167817c30ffe5dd5916c712fae32297c024492d2b466d67148b0801f19641aed09ace16ad23d138741e31326cb4ba5bfa652b26015314b702a1655230573d

            Download Submit

          • C:\Windows\Logs\PBR\SessionID.xml
            Filesize

            106B

            MD5

            a88583f422e804c65ea1c31335b9a39a

            SHA1

            ba0932d6b363560a7ac3dad697699caf238c4637

            SHA256

            4de7412a5c945e2a2ae42f23d03dc5d022bf6e884c91dec0435aed719c48434a

            SHA512

            ab7baf9ba3fb0ebdb405cb066175c481080dcf7e801886d8d8830c3e934b6868e4028e69479b0941a1df27ccf336d642e7549fd46eab841c1b57128cfe1c1bb2

            Download Submit

          • C:\Windows\Logs\PBR\Timestamp.xml
            Filesize

            42B

            MD5

            02fff39bf544ed4f1cc4534fe807356d

            SHA1

            549ef8c48977e3c5caa0691036a9c82b1ea57c39

            SHA256

            896347ce116fed424595a3adce89c8a82739eb3492327e7ea0692ea9742011c5

            SHA512

            4edbe8c37cfb9b2c2b22e5b0f05555a9431ad8713b9e1ae53a22c819660ebabd4c598bfd6de97fcda883b696864acb00bec88e6de15a850b3df02823dd35a93b

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          • C:\Windows\Logs\PBR\WinRE\bootstat.dat
            Filesize

            66KB

            MD5

            668d82b83f8c52c0e5368a44b7eaa5a4

            SHA1

            069ec5b3f9ae609baafe6e59651dd361a9c6b33f

            SHA256

            106beb7dabcde632548e4e752c3c6222936ba8ddc2cf7e4864296070bd0553e1

            SHA512

            e475a3b75a9fbd00c80da10debf287cbfa06a7d583cbc886e42db81f9e0b32f2dc6c3676181d430699bfb2ffe0c71f5e40bd80836d5c2794840d7d1ab0d9b98d

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          • C:\Windows\Panther\UnattendGC\diagwrn.xml
            Filesize

            12KB

            MD5

            4509002859ba63360e346e5def858abe

            SHA1

            b96c23c04af70a0fbc099f37f279a81d1b37944e

            SHA256

            4ee6f9c3981e83bf7cf7204b63a4653c8ba8819a5f71bf33a1a93dfbe7af0071

            SHA512

            b87dbe4929060ea615fee31509b887a196a0f93cba5eecabb5ef953c31efc6393c83eda1c3654df380a139ec0a0d144e67df274e3397297560eb78da5e028ca4

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          • C:\Windows\System32\Recovery\ReAgent.xml
            Filesize

            1KB

            MD5

            0c67566cfc337e11455b57c7aad0f99d

            SHA1

            93fb3650da854007ba8daa0cc08a3d941b98abf6

            SHA256

            7ece821882abbc5fef68c6e538b03daa0a0653a408decaf2958b54ade27c9319

            SHA512

            fad37bc7cb143582b9100b1fef47ea0b39086486e89f01c6b1ac17630aca9262acbbab072cabbc9b383133a66e96c70ea98f000d65ce4dfd69b637b8e4b5a938

            Download Submit