Analysis

  • max time kernel
    44s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 02:31

General

  • Target

    cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe

  • Size

    1.6MB

  • MD5

    33f9a52ed3ffb50b8521c8aa32937ffa

  • SHA1

    74352bdb82ea54b118490eb2cde06a7270498e92

  • SHA256

    cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c

  • SHA512

    13e6766120cefee771625f5a96a7539cd27c9bda27df32ce3069c15c7600ec0a7e609f5214fd92f49e9434144ee2e440e1b3fa5842f6b72856c74faa3a2bead6

  • SSDEEP

    12288:QEOAC89LW3M1M6VwLVgHhLIqVnBJDcU+SQb+wCbDEXQSiftT8LkaoRRhDOM:QEOSBeK1wkhnVnHCSQS3EgSGwLkaoRbZ

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.

  • 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 1 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 15 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe
    "C:\Users\Admin\AppData\Local\Temp\cca0cb633f134cf902a00fbf802fe7a6cca46f5ce480b992218247b1f489062c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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:2456
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 848 -s 620
      2⤵
        PID:2220

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/848-0-0x000007FEF64A3000-0x000007FEF64A4000-memory.dmp

      Filesize

      4KB

    • memory/848-1-0x00000000011B0000-0x00000000011BA000-memory.dmp

      Filesize

      40KB

    • memory/848-2-0x0000000000D70000-0x0000000000E0C000-memory.dmp

      Filesize

      624KB

    • memory/848-3-0x000007FEF64A0000-0x000007FEF6E8C000-memory.dmp

      Filesize

      9.9MB

    • memory/848-19-0x000007FEF64A0000-0x000007FEF6E8C000-memory.dmp

      Filesize

      9.9MB

    • memory/848-18-0x000007FEF64A3000-0x000007FEF64A4000-memory.dmp

      Filesize

      4KB

    • memory/2456-13-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2456-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2456-8-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2456-6-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2456-4-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2456-17-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2456-15-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/2456-10-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB