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
    25-11-2024 10:46

General

  • Target

    denizbank25.11.2024E80aspc.exe

  • Size

    737KB

  • MD5

    99334c137b21036493a00305cd3189da

  • SHA1

    3f4e22efc054a79fe7f1644b564f7a78d438f497

  • SHA256

    4e3703fac7cd57231af4066573369bddffd7d7c0f8d0c4b2d0fc006c42b87dcc

  • SHA512

    b734366e0678853abdf0e4704abeb88a545156b210d2243f9019e2506f40e6ba640f74b069e1753305245bd1a7376ff9dff462661419a52100e0d1901c976406

  • SSDEEP

    12288:h15vH3RbeXyL05XULmZtHnZW11dSduUmDAqpNjm8M4FK/e3LsNejj1x9/:hnvH35eXNYulnZ6dSTmDQ8LE/APj1n

Malware Config

Extracted

Family

vipkeylogger

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 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\denizbank25.11.2024E80aspc.exe
    "C:\Users\Admin\AppData\Local\Temp\denizbank25.11.2024E80aspc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1392
    • 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\denizbank25.11.2024E80aspc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632
    • C:\Users\Admin\AppData\Local\Temp\denizbank25.11.2024E80aspc.exe
      "C:\Users\Admin\AppData\Local\Temp\denizbank25.11.2024E80aspc.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1392-0-0x000000007447E000-0x000000007447F000-memory.dmp

    Filesize

    4KB

  • memory/1392-1-0x0000000000DD0000-0x0000000000E8E000-memory.dmp

    Filesize

    760KB

  • memory/1392-2-0x0000000074470000-0x0000000074B5E000-memory.dmp

    Filesize

    6.9MB

  • memory/1392-3-0x0000000000470000-0x000000000048C000-memory.dmp

    Filesize

    112KB

  • memory/1392-4-0x000000007447E000-0x000000007447F000-memory.dmp

    Filesize

    4KB

  • memory/1392-5-0x0000000074470000-0x0000000074B5E000-memory.dmp

    Filesize

    6.9MB

  • memory/1392-6-0x00000000056C0000-0x000000000574E000-memory.dmp

    Filesize

    568KB

  • memory/1392-20-0x0000000074470000-0x0000000074B5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2808-8-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2808-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2808-10-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2808-13-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2808-18-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2808-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2808-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2808-19-0x0000000074470000-0x0000000074B5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2808-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2808-23-0x0000000074470000-0x0000000074B5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2808-24-0x0000000074470000-0x0000000074B5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2808-25-0x0000000074470000-0x0000000074B5E000-memory.dmp

    Filesize

    6.9MB