Analysis

  • max time kernel
    107s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 03:58

General

  • Target

    PAYMENT RECEIPT_pdf.exe

  • Size

    472KB

  • MD5

    6777212486b6ff2da8284ca567e8787b

  • SHA1

    7cf028ad1ccd53c81e9b1596f240115d886ab410

  • SHA256

    c8a51f63236d6bd55b39a715498e6bf36f9095ebcb9d882eb7837853162244e8

  • SHA512

    8dd911a32596ff329e92f99681bf098f73decd0c0e536391f6d027481eac4695bfbdb6d45aa73dcb204f83bc2f9ec2a13d1ae8a878d510e525188db4738142e9

  • SSDEEP

    12288:uVniZ8bCOWuvgsIhHdPKgxi5+FhPWs8jyFe2:uBiUcsunhPlFe

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
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PAYMENT RECEIPT_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PAYMENT RECEIPT_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Users\Admin\AppData\Local\Temp\PAYMENT RECEIPT_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PAYMENT RECEIPT_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:1632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1632-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1632-16-0x0000000006BB0000-0x0000000006C00000-memory.dmp

    Filesize

    320KB

  • memory/1632-15-0x0000000006D10000-0x0000000006ED2000-memory.dmp

    Filesize

    1.8MB

  • memory/1632-14-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1632-11-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1632-10-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3792-8-0x0000000004EF0000-0x0000000004EF8000-memory.dmp

    Filesize

    32KB

  • memory/3792-7-0x0000000005170000-0x000000000520C000-memory.dmp

    Filesize

    624KB

  • memory/3792-0-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/3792-6-0x0000000005050000-0x00000000050C8000-memory.dmp

    Filesize

    480KB

  • memory/3792-5-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3792-4-0x0000000004E30000-0x0000000004E3A000-memory.dmp

    Filesize

    40KB

  • memory/3792-12-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/3792-13-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3792-3-0x0000000004D80000-0x0000000004E12000-memory.dmp

    Filesize

    584KB

  • memory/3792-2-0x0000000005250000-0x00000000057F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3792-1-0x0000000000490000-0x000000000050C000-memory.dmp

    Filesize

    496KB