Analysis

  • max time kernel
    121s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2024 07:57

General

  • Target

    66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.exe

  • Size

    804KB

  • MD5

    1e06fff5e6b15158d998c36624fc0651

  • SHA1

    5b7df21c40e5c857054ead9c474135af9cf6ea80

  • SHA256

    66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19

  • SHA512

    48d2cc377d4114b608ce5f3487e3cba903658ba06f1d20d1275eaae30541c688b8189018362723ca060958a00ba3cc8aa09dc2d057ba7815d3eaf26040f0f2f7

  • SSDEEP

    12288:yujqGjJ80170oKQglNs0f0kWsrRu7e4vMp3R7PTdnfJgWPeodburDTnkR:yu1ld0rQglNsfPs2e+y7PBBgtodburq

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 1 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 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 4 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 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.exe
    "C:\Users\Admin\AppData\Local\Temp\66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IyaQJBkaRvQnH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2172
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IyaQJBkaRvQnH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB9F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2732
    • C:\Users\Admin\AppData\Local\Temp\66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.exe
      "C:\Users\Admin\AppData\Local\Temp\66ddc3aa92c4f83ee3d11927c12fac879be44197d894719847544d495bdcab19.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:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDB9F.tmp

    Filesize

    1KB

    MD5

    793d70c7c7a2270a982484ef330994ef

    SHA1

    686b1baa66c54c6a0d9bbfe3ec9fb36826e89a7e

    SHA256

    3de30bd0074fc208c3d1daf2c71837559ac84c3aa875ef3e4e685dfc654bc27c

    SHA512

    ffb0b840aa2fb270be7d0e26f22de073ba1d0579bd6402835d408f975bbb8fd8792d058e91962853744cb39de2c8a918d1d74b81f517e37ba32b4ba4537c8a91

  • memory/1272-27-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1272-1-0x0000000000860000-0x000000000092C000-memory.dmp

    Filesize

    816KB

  • memory/1272-2-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1272-3-0x00000000040B0000-0x00000000040CE000-memory.dmp

    Filesize

    120KB

  • memory/1272-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/1272-5-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/1272-6-0x0000000001D30000-0x0000000001DBC000-memory.dmp

    Filesize

    560KB

  • memory/1272-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/2864-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-26-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2864-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2864-20-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB