Analysis

  • max time kernel
    126s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 09:59

General

  • Target

    29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe

  • Size

    911KB

  • MD5

    cb9c9a8f464afaf501e9612103d8fec0

  • SHA1

    60c819437a659cd38061f64d223ce9c8ddee7b73

  • SHA256

    29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11

  • SHA512

    286dc10dc0d4ff74583df25f675468f4c6475f7b6ce1b59e1c700f19a698c57902edec75dc1fd464adfae739a22420fdeb6f981ec1583dd71b6393e9252ebfb4

  • SSDEEP

    24576:3ACoC/qaSuzK9vjattZton323zLqksvO2/blP6RSmICTO:IiUueotZtu3kUvOmbV6RrICTO

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7025541570:AAHHRvlJK1bIRktP0rY6GjgOuBxMeTOu_OU/sendMessage?chat_id=5138702702

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe
    "C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4396
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2400
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BZSSOtWV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BZSSOtWV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEF61.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5048
    • C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe
      "C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe"
      2⤵
        PID:5044
      • C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe
        "C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe"
        2⤵
          PID:1744
        • C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe
          "C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe"
          2⤵
            PID:572
          • C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe
            "C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:1660

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

                Filesize

                2KB

                MD5

                968cb9309758126772781b83adb8a28f

                SHA1

                8da30e71accf186b2ba11da1797cf67f8f78b47c

                SHA256

                92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

                SHA512

                4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

                Filesize

                933B

                MD5

                1ecc876408dac14fa20d7029627001aa

                SHA1

                c743237a1b1520c25a114c05b09807cac6e1a193

                SHA256

                e62c163ee75beaf427c0698e555b36c5f9d5de56ab19d3056d3d0c1d85284efc

                SHA512

                288534ad34aa6d2c30c7c1f114eadab0512264445365c2c71988f9a4e8f0fcd59bc29809f3181f538b6d34d72106048adc55848686fce3c1f31543a199ef2546

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ppetarl0.hro.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • C:\Users\Admin\AppData\Local\Temp\tmpEF61.tmp

                Filesize

                1KB

                MD5

                8734390fb86262b22d2a2644185bd23a

                SHA1

                e308f1f588442dbd58b6defdc2f69a2845a34201

                SHA256

                854fabe8941e906bddf31df55f814de87966cb2dbed10d04df07911b2f6a6ecc

                SHA512

                3cf9ebd7c237cba6fa54929960bf71b6d2c01a0d42402d9a747afb4963cf3a63f4a7bae7e47fefde085ecf12a43a7c6dedabd53f61885cc132fcad06f9ae0212

              • memory/1660-92-0x0000000006CC0000-0x0000000006D10000-memory.dmp

                Filesize

                320KB

              • memory/1660-91-0x0000000006E40000-0x0000000007002000-memory.dmp

                Filesize

                1.8MB

              • memory/1660-47-0x0000000000400000-0x000000000044A000-memory.dmp

                Filesize

                296KB

              • memory/1796-68-0x00000000072D0000-0x00000000072DA000-memory.dmp

                Filesize

                40KB

              • memory/1796-69-0x00000000074E0000-0x0000000007576000-memory.dmp

                Filesize

                600KB

              • memory/1796-86-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/1796-83-0x0000000007580000-0x0000000007588000-memory.dmp

                Filesize

                32KB

              • memory/1796-82-0x00000000075A0000-0x00000000075BA000-memory.dmp

                Filesize

                104KB

              • memory/1796-81-0x00000000074A0000-0x00000000074B4000-memory.dmp

                Filesize

                80KB

              • memory/1796-80-0x0000000007490000-0x000000000749E000-memory.dmp

                Filesize

                56KB

              • memory/1796-70-0x0000000007460000-0x0000000007471000-memory.dmp

                Filesize

                68KB

              • memory/1796-65-0x00000000078B0000-0x0000000007F2A000-memory.dmp

                Filesize

                6.5MB

              • memory/1796-66-0x0000000007260000-0x000000000727A000-memory.dmp

                Filesize

                104KB

              • memory/1796-52-0x0000000006ED0000-0x0000000006F02000-memory.dmp

                Filesize

                200KB

              • memory/1796-25-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/1796-53-0x0000000070450000-0x000000007049C000-memory.dmp

                Filesize

                304KB

              • memory/1796-64-0x0000000006F10000-0x0000000006FB3000-memory.dmp

                Filesize

                652KB

              • memory/1796-26-0x00000000057E0000-0x0000000005B34000-memory.dmp

                Filesize

                3.3MB

              • memory/1796-63-0x0000000006EB0000-0x0000000006ECE000-memory.dmp

                Filesize

                120KB

              • memory/1796-38-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/1796-27-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/2400-19-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/2400-21-0x00000000060B0000-0x00000000060D2000-memory.dmp

                Filesize

                136KB

              • memory/2400-90-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/2400-50-0x0000000006950000-0x000000000696E000-memory.dmp

                Filesize

                120KB

              • memory/2400-51-0x0000000006C40000-0x0000000006C8C000-memory.dmp

                Filesize

                304KB

              • memory/2400-16-0x00000000053A0000-0x00000000053D6000-memory.dmp

                Filesize

                216KB

              • memory/2400-22-0x0000000006150000-0x00000000061B6000-memory.dmp

                Filesize

                408KB

              • memory/2400-23-0x00000000061C0000-0x0000000006226000-memory.dmp

                Filesize

                408KB

              • memory/2400-17-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/2400-20-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/2400-18-0x0000000005A80000-0x00000000060A8000-memory.dmp

                Filesize

                6.2MB

              • memory/2400-67-0x0000000070450000-0x000000007049C000-memory.dmp

                Filesize

                304KB

              • memory/4396-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

                Filesize

                4KB

              • memory/4396-8-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/4396-5-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/4396-7-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

                Filesize

                4KB

              • memory/4396-6-0x00000000052B0000-0x00000000052C2000-memory.dmp

                Filesize

                72KB

              • memory/4396-11-0x0000000006480000-0x000000000651C000-memory.dmp

                Filesize

                624KB

              • memory/4396-10-0x00000000061D0000-0x000000000625C000-memory.dmp

                Filesize

                560KB

              • memory/4396-9-0x00000000053C0000-0x00000000053D0000-memory.dmp

                Filesize

                64KB

              • memory/4396-4-0x0000000004F80000-0x0000000004F8A000-memory.dmp

                Filesize

                40KB

              • memory/4396-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp

                Filesize

                584KB

              • memory/4396-49-0x0000000074E40000-0x00000000755F0000-memory.dmp

                Filesize

                7.7MB

              • memory/4396-2-0x00000000053D0000-0x0000000005974000-memory.dmp

                Filesize

                5.6MB

              • memory/4396-1-0x00000000003E0000-0x00000000004CA000-memory.dmp

                Filesize

                936KB