Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 07:08

General

  • Target

    offer.pdf.exe

  • Size

    1.1MB

  • MD5

    ddd764f5db42b068e1d14bdb8e89e32e

  • SHA1

    8bea1272325ac17dabd0f820e2e822035222bc13

  • SHA256

    80901284eab8de2631adda7fd1f089640c1c5891f30a2c2de8c77c293d3a5e11

  • SHA512

    b938f0d6a8d2a4f933c659576b711fa5691f203161ad2e8b2c2f96fb225446f131d2b2afb0d4964cccfa03e5e6247b763d2d82f19d6ff813cb0cbef09ea365db

  • SSDEEP

    12288:Tu9e78iSqcgdCXBeOe/Zyt//EFz6s1x5/MctTWlMXH8TxoRDM02E3s4TmO9CwXtH:+u8gcRcZyFMF6spxJC/TyRoVE3b

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.awaratrendz.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Q&N.)e{R7G^]

Extracted

Family

vipkeylogger

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\offer.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\offer.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1648
    • 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\offer.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2452
    • C:\Users\Admin\AppData\Local\Temp\offer.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\offer.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:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1648-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

    Filesize

    4KB

  • memory/1648-1-0x0000000001350000-0x000000000146C000-memory.dmp

    Filesize

    1.1MB

  • memory/1648-2-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1648-3-0x0000000000440000-0x000000000045E000-memory.dmp

    Filesize

    120KB

  • memory/1648-4-0x00000000745DE000-0x00000000745DF000-memory.dmp

    Filesize

    4KB

  • memory/1648-5-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/1648-6-0x00000000004E0000-0x000000000056C000-memory.dmp

    Filesize

    560KB

  • memory/1648-22-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-20-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2764-18-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2764-16-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2764-12-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2764-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2764-7-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2764-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2764-21-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-10-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2764-25-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-26-0x00000000745D0000-0x0000000074CBE000-memory.dmp

    Filesize

    6.9MB