Analysis

  • max time kernel
    35s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26/10/2024, 02:04

General

  • Target

    Scan_Rev 20220731_PO&OC#88SU7782743882874_PDF.exe

  • Size

    821KB

  • MD5

    d8daeb11e006370f3b454df74c382ced

  • SHA1

    3351af8f5627d4df174d4c659391a40d9563ca37

  • SHA256

    7b57e6494bb05f09e8a09a69b3c9f28239fe18cb469d223826c95bee2d650197

  • SHA512

    d57fe6e72acbbb577c9b4dd36a53367a4d0cadfde7e32c036caa7adffd01ae021baa8e2beff7bbf06fb3927c0b74f84725f0714d05b7ed1e81e1f5a5b258fb86

  • SSDEEP

    12288:zbedZeA56A4KUwU2dEa4oDr2rxR5NiYrDkhNSOG6BgKBizbNEW0JTWxH+odSheub:75wUWEa4iU8wDINnenL/5twheu35wq

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 7 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\Scan_Rev 20220731_PO&OC#88SU7782743882874_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Scan_Rev 20220731_PO&OC#88SU7782743882874_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QeSBxb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2100
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QeSBxb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB7E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2780
    • C:\Users\Admin\AppData\Local\Temp\Scan_Rev 20220731_PO&OC#88SU7782743882874_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Scan_Rev 20220731_PO&OC#88SU7782743882874_PDF.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:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpFB7E.tmp

    Filesize

    1KB

    MD5

    3e64a71dccb55a8114f4c21ce48dfcc8

    SHA1

    06576d3702c58b503b9a8482c4aec2dfe2995195

    SHA256

    4babff55636936524f1541d7ebff962ca53c00d71e97774295ca48db55d6b1b2

    SHA512

    625758e033ab1e7a80cd06f0a8841068481240405dedcaf50d8160b36b198dc34f3faeb06a8be56a1e84da1480cc7fc301225f41b425ad74289844bb6ba58810

  • memory/1344-4-0x00000000003D0000-0x00000000003EE000-memory.dmp

    Filesize

    120KB

  • memory/1344-27-0x0000000074EB0000-0x000000007559E000-memory.dmp

    Filesize

    6.9MB

  • memory/1344-3-0x0000000004FA0000-0x000000000504E000-memory.dmp

    Filesize

    696KB

  • memory/1344-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/1344-5-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/1344-6-0x0000000074EB0000-0x000000007559E000-memory.dmp

    Filesize

    6.9MB

  • memory/1344-7-0x000000000A3E0000-0x000000000A46C000-memory.dmp

    Filesize

    560KB

  • memory/1344-1-0x0000000000EE0000-0x0000000000FB0000-memory.dmp

    Filesize

    832KB

  • memory/1344-2-0x0000000074EB0000-0x000000007559E000-memory.dmp

    Filesize

    6.9MB

  • memory/2740-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-26-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2740-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-13-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB