Analysis

  • max time kernel
    117s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 02:39

General

  • Target

    81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe

  • Size

    1.0MB

  • MD5

    2c8f30a128855b88559a2876c0286416

  • SHA1

    eb253a85f2141bdb4707a80e6f2d22852c9578c3

  • SHA256

    81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d

  • SHA512

    6fdf837d6b3aa9ac3f5513db636ec20d26e10c94279b404cd77cb49ab013168334f786274047e36216c2618dc4494600b19db4481a6bae80e8b3befff815c404

  • SSDEEP

    24576:/tb20pkaCqT5TBWgNQ7aj+LCx0Bthb6Au:8Vg5tQ7aj+LCSBt15u

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7157329086:AAGOsSc2V0wvMRyvFFXhUVN6YYkkxDpjHDU/sendMessage?chat_id=7337843299

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe
    "C:\Users\Admin\AppData\Local\Temp\81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\81f11f7138268a889b5d068f747d4f4d71a688c7a7f3b057a0140e63a9d5d40d.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:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2676-6-0x0000000000A70000-0x0000000000E70000-memory.dmp

    Filesize

    4.0MB

  • memory/2764-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-12-0x0000000073E0E000-0x0000000073E0F000-memory.dmp

    Filesize

    4KB

  • memory/2764-13-0x0000000073E00000-0x00000000744EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2764-14-0x0000000073E0E000-0x0000000073E0F000-memory.dmp

    Filesize

    4KB

  • memory/2764-15-0x0000000073E00000-0x00000000744EE000-memory.dmp

    Filesize

    6.9MB