Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 05:24

General

  • Target

    RFQ-00032035.PDF.scr.exe

  • Size

    186KB

  • MD5

    4c7c55280d405f6241f4c9f236fdea24

  • SHA1

    dfd1a0dce53f0a445ec6ad9f6d1266e96dec8f66

  • SHA256

    013d183433171067d14d79fb2288fa94689963e60482da638800f23834710e19

  • SHA512

    6cabc92097834307fb02f5687a19db6a93fe88f0c53cada037fe2f0eafb247ea7be249b460f53808a875c8febcf3460df235f8f4268370da92a11fb528dd0a10

  • SSDEEP

    3072:qh1KoemdZEhelYiU8aTTwmDOop3Q+Rt5IxMSke+mNOGW3emb4XBHTtOhu2qkWf3M:Doemd3lYiU5MmDOop3Q+RsxMSke+mNOW

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7371892501:AAE6c_q-yLsVj82ZZEmMuRlQtTm95MBjCz0/sendMessage?chat_id=6750192797

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\RFQ-00032035.PDF.scr.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ-00032035.PDF.scr.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1916
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.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:5020

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1916-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

      Filesize

      4KB

    • memory/1916-1-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/1916-2-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/1916-3-0x0000000005890000-0x000000000597A000-memory.dmp

      Filesize

      936KB

    • memory/1916-4-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-25-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-67-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-63-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-61-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-59-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-57-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-55-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-53-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-51-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-49-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-47-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-46-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-41-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-37-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-33-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-31-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-27-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-23-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-21-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-19-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-17-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-15-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-13-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-11-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-9-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-7-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-5-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-65-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-44-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-39-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-35-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-29-0x0000000005890000-0x0000000005974000-memory.dmp

      Filesize

      912KB

    • memory/1916-1078-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/1916-1079-0x0000000005BD0000-0x0000000005C34000-memory.dmp

      Filesize

      400KB

    • memory/1916-1080-0x0000000005C50000-0x0000000005C9C000-memory.dmp

      Filesize

      304KB

    • memory/1916-1083-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/1916-1086-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/1916-1085-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/1916-1087-0x00000000744DE000-0x00000000744DF000-memory.dmp

      Filesize

      4KB

    • memory/1916-1088-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/1916-1089-0x0000000006470000-0x0000000006A14000-memory.dmp

      Filesize

      5.6MB

    • memory/1916-1090-0x0000000005D20000-0x0000000005D74000-memory.dmp

      Filesize

      336KB

    • memory/1916-1092-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-1093-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-1095-0x00000000052F0000-0x000000000538C000-memory.dmp

      Filesize

      624KB

    • memory/5020-1094-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/5020-1096-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-1097-0x0000000006600000-0x00000000067C2000-memory.dmp

      Filesize

      1.8MB

    • memory/5020-1098-0x0000000006480000-0x00000000064D0000-memory.dmp

      Filesize

      320KB

    • memory/5020-1099-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-1100-0x00000000744D0000-0x0000000074C80000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-1101-0x00000000067D0000-0x0000000006862000-memory.dmp

      Filesize

      584KB

    • memory/5020-1102-0x0000000006590000-0x000000000659A000-memory.dmp

      Filesize

      40KB