Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2024, 02:31

General

  • Target

    e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.exe

  • Size

    791KB

  • MD5

    db0bde479bdd446e24728b328239cd7d

  • SHA1

    ab1bc96dae19bdd452a811cafecc330554fe87e9

  • SHA256

    e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba

  • SHA512

    d911c7975e18dd9873e6d5d222007751d9d2cc3dc6abe62d52aaf8f9b355a900c85f7fbb4c81cc84d1e0758085a1d2f2e33906e4f26044978ffd2798d170ae5f

  • SSDEEP

    24576:WSxC/qaSuGWwcrIRfEhsRwenTUBlsJENXlKKE:WsiUuG9EuR1asJAl

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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.exe
    "C:\Users\Admin\AppData\Local\Temp\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2356
    • 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\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2168
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NpLpffzWqyhtWF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NpLpffzWqyhtWF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF43E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2852
    • C:\Users\Admin\AppData\Local\Temp\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.exe
      "C:\Users\Admin\AppData\Local\Temp\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.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:1232

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpF43E.tmp

          Filesize

          1KB

          MD5

          9114aa75852c8954eb1cc93a6ea81ab6

          SHA1

          c36d507b97092fa8eae2575a3eafa1d0bdbc1e9c

          SHA256

          536db7dc8ffb7e70c632ae331a86e4c17644dd298a770e8ed27317188fed27ee

          SHA512

          504db55a5088bc700535273ece94444992a36d5b24e744d2f8b925e12583168a9d0502d52d4be59f18866b6d8dd0f12635b0ba859fb15ba3dcff4a9a6dd3984c

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\LQFUI9B598C2FC0TEYGG.temp

          Filesize

          7KB

          MD5

          ad824052e2dceab8c40baf0e7c94aead

          SHA1

          3624ac07a03a693f62b79b143e3bf83cbe007896

          SHA256

          d496337f3c2ee96b74bb947bc62f67afc9b7992da53e5547ff75d5ee78359463

          SHA512

          37c56b161111d2a72b8e773dd2c20f5d1f8070d71aa142b1ca86d3083a9378835631160c29da2603c35680e53f99384343ea7da395650845dcf914f9036a03a7

        • memory/1232-29-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1232-24-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1232-20-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1232-22-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1232-26-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1232-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1232-30-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1232-32-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2356-1-0x0000000000E20000-0x0000000000EEC000-memory.dmp

          Filesize

          816KB

        • memory/2356-2-0x00000000744E0000-0x0000000074BCE000-memory.dmp

          Filesize

          6.9MB

        • memory/2356-0-0x00000000744EE000-0x00000000744EF000-memory.dmp

          Filesize

          4KB

        • memory/2356-7-0x0000000004DC0000-0x0000000004E4C000-memory.dmp

          Filesize

          560KB

        • memory/2356-6-0x0000000000560000-0x0000000000570000-memory.dmp

          Filesize

          64KB

        • memory/2356-3-0x0000000000470000-0x0000000000482000-memory.dmp

          Filesize

          72KB

        • memory/2356-5-0x00000000744E0000-0x0000000074BCE000-memory.dmp

          Filesize

          6.9MB

        • memory/2356-4-0x00000000744EE000-0x00000000744EF000-memory.dmp

          Filesize

          4KB

        • memory/2356-33-0x00000000744E0000-0x0000000074BCE000-memory.dmp

          Filesize

          6.9MB