Analysis

  • max time kernel
    124s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 05:44

General

  • Target

    Hesap_Hareketleri_09122024_html.exe

  • Size

    775KB

  • MD5

    ca2a4c48977c3b639e3aa420745432fb

  • SHA1

    4414642ab2f92b536d59a05d4ddfa838fdf3a9b5

  • SHA256

    227a47ab69a3e27af957a15c776726f2ba7983cc02dd6031d8c057ec3f915c9a

  • SHA512

    00fec3c4ce9e26aba652594871818277b9ffcb06b21a6ea227a6b376e5f69d134e98cee87891c18fdb54901ebaf658717ec2a415cd29c3d60dc377d8b91bb8dc

  • SSDEEP

    12288:PNl4dY9shQgZbGen4mrXc541rjRIIBbg3EuTFd5doUQuGAhR1KuIeyxqSp+:Idhl5x3Q21pIL3EuBdAUbG82mSp

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • 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 3 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_html.exe
    "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_html.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:4992
    • 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\Hesap_Hareketleri_09122024_html.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:560
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rZfPSwO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2996
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rZfPSwO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAAA7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:696
    • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_html.exe
      "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_html.exe"
      2⤵
        PID:1324
      • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_html.exe
        "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_html.exe"
        2⤵
          PID:780
        • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_html.exe
          "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_09122024_html.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:404

      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

        18KB

        MD5

        fc531e8e4b319c2eec67e2150e6a205c

        SHA1

        37f9bc2108bb6116dfd06ba8561cfa908c93b6f6

        SHA256

        76379b93e863d77e6e58d7757ad0cbe43af5d6d078ad6fe7d0de13e027c237bc

        SHA512

        66550b11891021bf1cfff6c2612d79111f604d74555bca7856baa0302e68461411eae5d6e51d33b1fcff6947226a9730a7f93dcf1ac8b41b616a9ee88bd283da

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ze3guelj.mao.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpAAA7.tmp

        Filesize

        1KB

        MD5

        f70a8a10455ade5ccd1f8586eaf8e53a

        SHA1

        dd7adf30f804d85c050a0b9a8e1ee5eea71120a1

        SHA256

        c34d2a0d314ade602ecefbe70130475daeef302eeeb5e27b39a87d115ed8ee6e

        SHA512

        82799919825d8b8c9e5590fe168dff65d96d0677c6e14040ee7483d2df02e335098c54955c49ea6fba2de773e0c979cb464f87ba349d1f0b6abddba25339f117

      • memory/404-87-0x0000000006D80000-0x0000000006DD0000-memory.dmp

        Filesize

        320KB

      • memory/404-86-0x0000000006F00000-0x00000000070C2000-memory.dmp

        Filesize

        1.8MB

      • memory/404-45-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/560-29-0x00000000061B0000-0x00000000061FC000-memory.dmp

        Filesize

        304KB

      • memory/560-57-0x0000000006790000-0x00000000067AE000-memory.dmp

        Filesize

        120KB

      • memory/560-82-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/560-79-0x00000000077D0000-0x00000000077D8000-memory.dmp

        Filesize

        32KB

      • memory/560-11-0x0000000002870000-0x00000000028A6000-memory.dmp

        Filesize

        216KB

      • memory/560-12-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/560-13-0x00000000052F0000-0x0000000005918000-memory.dmp

        Filesize

        6.2MB

      • memory/560-14-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/560-15-0x00000000052B0000-0x00000000052D2000-memory.dmp

        Filesize

        136KB

      • memory/560-78-0x00000000077F0000-0x000000000780A000-memory.dmp

        Filesize

        104KB

      • memory/560-17-0x0000000005B00000-0x0000000005B66000-memory.dmp

        Filesize

        408KB

      • memory/560-16-0x0000000005A90000-0x0000000005AF6000-memory.dmp

        Filesize

        408KB

      • memory/560-27-0x0000000005B70000-0x0000000005EC4000-memory.dmp

        Filesize

        3.3MB

      • memory/560-28-0x0000000006180000-0x000000000619E000-memory.dmp

        Filesize

        120KB

      • memory/560-30-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/560-77-0x00000000076F0000-0x0000000007704000-memory.dmp

        Filesize

        80KB

      • memory/560-76-0x00000000076E0000-0x00000000076EE000-memory.dmp

        Filesize

        56KB

      • memory/560-65-0x00000000076B0000-0x00000000076C1000-memory.dmp

        Filesize

        68KB

      • memory/560-47-0x000000006EFB0000-0x000000006EFFC000-memory.dmp

        Filesize

        304KB

      • memory/560-64-0x0000000007730000-0x00000000077C6000-memory.dmp

        Filesize

        600KB

      • memory/560-63-0x0000000007520000-0x000000000752A000-memory.dmp

        Filesize

        40KB

      • memory/560-59-0x0000000007180000-0x0000000007223000-memory.dmp

        Filesize

        652KB

      • memory/560-46-0x0000000006750000-0x0000000006782000-memory.dmp

        Filesize

        200KB

      • memory/560-61-0x0000000007AF0000-0x000000000816A000-memory.dmp

        Filesize

        6.5MB

      • memory/560-62-0x00000000074B0000-0x00000000074CA000-memory.dmp

        Filesize

        104KB

      • memory/2996-66-0x000000006EFB0000-0x000000006EFFC000-memory.dmp

        Filesize

        304KB

      • memory/4992-7-0x000000007477E000-0x000000007477F000-memory.dmp

        Filesize

        4KB

      • memory/4992-5-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/4992-8-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/4992-6-0x0000000006AB0000-0x0000000006ACE000-memory.dmp

        Filesize

        120KB

      • memory/4992-0-0x000000007477E000-0x000000007477F000-memory.dmp

        Filesize

        4KB

      • memory/4992-60-0x0000000074770000-0x0000000074F20000-memory.dmp

        Filesize

        7.7MB

      • memory/4992-10-0x000000000ADC0000-0x000000000AE5C000-memory.dmp

        Filesize

        624KB

      • memory/4992-9-0x0000000007030000-0x00000000070BE000-memory.dmp

        Filesize

        568KB

      • memory/4992-4-0x00000000055C0000-0x00000000055CA000-memory.dmp

        Filesize

        40KB

      • memory/4992-3-0x00000000054F0000-0x0000000005582000-memory.dmp

        Filesize

        584KB

      • memory/4992-2-0x00000000059A0000-0x0000000005F44000-memory.dmp

        Filesize

        5.6MB

      • memory/4992-1-0x0000000000A40000-0x0000000000B08000-memory.dmp

        Filesize

        800KB