Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29/08/2024, 17:19

General

  • Target

    a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe

  • Size

    822KB

  • MD5

    5783a1fa182d62eb3838a2e3954a1f36

  • SHA1

    eec476fcc102b50390cf983725dbffaee693200e

  • SHA256

    a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1

  • SHA512

    31d8cd0fa9f08b7ada602fdd4877c246e892f1d18fdee0cc3e49ac7f293d3b41857009c3a3b97fa14737bdcfa786ed2cdb88b4d5e6383d5f83eda69e5bd4f7d8

  • SSDEEP

    12288:XMf55k2851eTl3GpqJTWwK6WP/FlTW/Md3SlpAVF/8CxeYm8ba/DONRoT9H:Xy5xR5VKBXvTUOlNm8bkDD

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.

  • 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).

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe
    "C:\Users\Admin\AppData\Local\Temp\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2004
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xdOaJTzpabdo.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2236
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xdOaJTzpabdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1729.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1896
    • C:\Users\Admin\AppData\Local\Temp\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe
      C:\Users\Admin\AppData\Local\Temp\a708a6cd710ba79a3dee7a91db6fedf3b3f6da1ab10d6391cc98962ee0904fd1.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2576
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2576 -s 1628
        3⤵
          PID:1684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp1729.tmp

      Filesize

      1KB

      MD5

      c0cd4a01c086f36afa6c3eb02f0221cb

      SHA1

      8f9adbfd91cd63c26483023b5de18d823c9ebc7f

      SHA256

      95043abdf85c3530bd18ea26a764beb9f38f424385f975f3a1e510cc1a3a76cb

      SHA512

      2f0f927f4553044992d130c38ef6b8a4e5913fe607a50c59ace8ef5fd3f94ca01e23a9eb61bdd153ed741370f776d8a88bf621cfc54361fc37ecbd53b8125623

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

      Filesize

      7KB

      MD5

      bfadf46d679547e42ae24964dc1c63d1

      SHA1

      43bb2a0a0bd1cfe9080031fbf49b4c1d95a210d4

      SHA256

      083228ec0c422e41725d519b8b218e9ed2d3082642827bac9ce35adf460266fe

      SHA512

      7535e0351a9c2ba4e9dabf452ce7897ee1000a7cb06f9caa82a6654c626c96b34dd4e7d167c441623f67a8be15d8d3efabbfb36087fe2eaa9ddda9322812e13b

    • memory/2004-25-0x0000000001D90000-0x0000000001D98000-memory.dmp

      Filesize

      32KB

    • memory/2236-24-0x000000001B800000-0x000000001BAE2000-memory.dmp

      Filesize

      2.9MB

    • memory/2576-28-0x0000000140000000-0x0000000140048000-memory.dmp

      Filesize

      288KB

    • memory/2576-26-0x0000000140000000-0x0000000140048000-memory.dmp

      Filesize

      288KB

    • memory/2576-32-0x000007FFFFFDF000-0x000007FFFFFE0000-memory.dmp

      Filesize

      4KB

    • memory/2576-33-0x0000000140000000-0x0000000140048000-memory.dmp

      Filesize

      288KB

    • memory/2576-30-0x0000000140000000-0x0000000140048000-memory.dmp

      Filesize

      288KB

    • memory/2952-8-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

      Filesize

      9.9MB

    • memory/2952-4-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

      Filesize

      4KB

    • memory/2952-3-0x00000000009E0000-0x0000000000A04000-memory.dmp

      Filesize

      144KB

    • memory/2952-2-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

      Filesize

      9.9MB

    • memory/2952-1-0x000000013FB30000-0x000000013FC00000-memory.dmp

      Filesize

      832KB

    • memory/2952-9-0x000000001C570000-0x000000001C5FA000-memory.dmp

      Filesize

      552KB

    • memory/2952-0-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

      Filesize

      4KB

    • memory/2952-5-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

      Filesize

      9.9MB

    • memory/2952-7-0x0000000000A20000-0x0000000000A34000-memory.dmp

      Filesize

      80KB

    • memory/2952-6-0x0000000000A00000-0x0000000000A16000-memory.dmp

      Filesize

      88KB

    • memory/2952-35-0x000007FEF5B60000-0x000007FEF654C000-memory.dmp

      Filesize

      9.9MB