Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 01:14

General

  • Target

    Purchase Order 007823-PO# 005307.exe

  • Size

    745KB

  • MD5

    89b1330440f5e3cc7fdf662981760845

  • SHA1

    39484bf19c50d51022b3f90361bfd048b1ee1df6

  • SHA256

    2095af004e76f0cf7243b68e868eeb3b9c8c157d632aa785a87a93addf3b75fc

  • SHA512

    2db2b4de6eb9bda9b1d93d4e14417a31193cdcebd4736b07a49d0d72e34244d166285107eda6968c3b781e20e7302a2d93b2e5a3df93a6b3217e6a3d426bc1e3

  • SSDEEP

    12288:a4Gc47cJDImS//BEQPo+wknW47+O7dwKOFxFp/xb0rA5CXpLJ+U3T:9GrSImS//BEknwGW47+OZFOFH0rA5yJ+

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qimnnEB2

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1636
    • 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\Purchase Order 007823-PO# 005307.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2280
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order 007823-PO# 005307.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:1916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1636-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

    Filesize

    4KB

  • memory/1636-1-0x0000000000310000-0x00000000003D0000-memory.dmp

    Filesize

    768KB

  • memory/1636-2-0x00000000747D0000-0x0000000074EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1636-3-0x00000000002E0000-0x00000000002FE000-memory.dmp

    Filesize

    120KB

  • memory/1636-4-0x00000000747DE000-0x00000000747DF000-memory.dmp

    Filesize

    4KB

  • memory/1636-5-0x00000000747D0000-0x0000000074EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1636-6-0x00000000005C0000-0x000000000064C000-memory.dmp

    Filesize

    560KB

  • memory/1636-19-0x00000000747D0000-0x0000000074EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1916-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1916-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-8-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-20-0x00000000747D0000-0x0000000074EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1916-13-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-21-0x00000000747D0000-0x0000000074EBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1916-24-0x00000000747D0000-0x0000000074EBE000-memory.dmp

    Filesize

    6.9MB