Analysis

  • max time kernel
    120s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23/10/2024, 06:58

General

  • Target

    REVISED INVOICE.exe

  • Size

    772KB

  • MD5

    76f0f7efa38fee04f22a3836c7f8f2d3

  • SHA1

    68bccecfc0128f4542ffc35aa4a4644c3f9fff0e

  • SHA256

    79d9270edbf86a9503b71bb27d04a88c1f8506fadad7b702adf97c5893f6cb14

  • SHA512

    9f71c798af7d25ebdf63d5a7987bca41ba2ff3eb379a70b971730c9291a4f44238c4b3f66f9d38968315581424e801a49e9f24df0e53ed94a62184553b36bf1c

  • SSDEEP

    12288:TlqG7jVsASFomUxB/U7UYyDD34kNn71L2PC2jxxjbaS47pxfd/TJQ8XV7XkR:b7RSOxP/JYy33Dpd2xv4VhfQ8lm

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.

  • 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\REVISED INVOICE.exe
    "C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JfOfGZQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2316
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JfOfGZQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF650.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2756
    • C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.exe
      "C:\Users\Admin\AppData\Local\Temp\REVISED INVOICE.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:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF650.tmp

    Filesize

    1KB

    MD5

    2fe33f59e461f64d005d681861743c40

    SHA1

    1d345cd4bae2269209348c7f9e529d4fb76a7900

    SHA256

    875f13ad2c9275c149fd580e43ad2a690f40fedb6bee02f76fe81ef5dc57ddff

    SHA512

    195aec1ec7bfe82b7dc08dddbe22268358afe83f14717509c95dab8856d47b185be24ede9a11195192908087a7cfaa0cb73eda8733b522f8246e5e81ca8d5d1b

  • memory/2380-27-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-1-0x0000000000B00000-0x0000000000BC2000-memory.dmp

    Filesize

    776KB

  • memory/2380-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-3-0x00000000004C0000-0x00000000004DE000-memory.dmp

    Filesize

    120KB

  • memory/2380-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2380-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-6-0x0000000000590000-0x000000000061C000-memory.dmp

    Filesize

    560KB

  • memory/2380-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

    Filesize

    4KB

  • memory/2860-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2860-16-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2860-22-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2860-24-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2860-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2860-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2860-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2860-14-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB