Analysis

  • max time kernel
    34s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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.

  • 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\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe
    "C:\Users\Admin\AppData\Local\Temp\29fc4ec2272e265faf58a71365d463e953c20dcfa192b6208a1fd6ddd25a7f11.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1496
    • 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:2824
    • 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:2948
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BZSSOtWV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF4AB.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2784
    • 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:2720

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpF4AB.tmp

          Filesize

          1KB

          MD5

          17bbbc8bbc90ca3d07099c75da0f8ffa

          SHA1

          a1fe04f644f1b5200371b6aa25de92ffe1d4d3e8

          SHA256

          3f1366d8ab1533a1298ac5b00e41f46dde7c6336212f2c63f263a339cc63a2c1

          SHA512

          0b2404d804c8bfa7e16d52a46deab4803462e39400f77dcbc29da95199127125986bf1574b594457d6ae9ad3da26a56cc2e7fff53ad7b052e8d8e2e5b1b7dc8f

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\86M4P4TU6P0VCGGI8HE0.temp

          Filesize

          7KB

          MD5

          fd6b50526de1ce31cc1a81a1d9d524f1

          SHA1

          f3ac2f139a1aba8810bb920845d9d29e13c1477e

          SHA256

          657c08159e3b74fda08d94d772a1b2ba00eab4b1e06a643ab445d5a5d7ed604c

          SHA512

          8457ed0be1f2358293f4bbdc41df5dbd4aa20723908c0660d2447acaee702b34fcbdc87beee9dd4744e04f0870d176d22769edb8ca84947c5e97203b7ca6c3aa

        • memory/1496-4-0x0000000074710000-0x0000000074DFE000-memory.dmp

          Filesize

          6.9MB

        • memory/1496-32-0x0000000074710000-0x0000000074DFE000-memory.dmp

          Filesize

          6.9MB

        • memory/1496-0-0x000000007471E000-0x000000007471F000-memory.dmp

          Filesize

          4KB

        • memory/1496-5-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/1496-6-0x0000000005080000-0x000000000510C000-memory.dmp

          Filesize

          560KB

        • memory/1496-2-0x0000000074710000-0x0000000074DFE000-memory.dmp

          Filesize

          6.9MB

        • memory/1496-1-0x0000000000FD0000-0x00000000010BA000-memory.dmp

          Filesize

          936KB

        • memory/1496-3-0x00000000004B0000-0x00000000004C2000-memory.dmp

          Filesize

          72KB

        • memory/2720-19-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2720-31-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2720-28-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2720-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2720-25-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2720-23-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2720-21-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2720-29-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB