Analysis

  • max time kernel
    121s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2024 09:12

General

  • Target

    ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe

  • Size

    929KB

  • MD5

    49e9e776c6f5d00a090adbd8814ffdc7

  • SHA1

    4ea5b8d7b7beb2ad75bbe583c4658093c4ab12bd

  • SHA256

    ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903

  • SHA512

    06e761bafcf3aa68a739ec24f17db1f9d1a36f59b940c8de12fd388dbd871dd2ab443a60c7723cd77ec1f52859cef469d9493759acc8acc1cfe1c471bf06f8cd

  • SSDEEP

    24576:L4GHnhIzOa5WPGzwQA+jLgNK5O5Y1fmdruuAF:0shdaYP3t+g3d

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot6820629737:AAGJ8tOkoD9jFHkd_L1kG1ntQ1J6zLhFsMc/sendMessage?chat_id=6783205225

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • AutoIT Executable 3 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe
    "C:\Users\Admin\AppData\Local\Temp\ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Users\Admin\AppData\Local\Keily\murkest.exe
      "C:\Users\Admin\AppData\Local\Temp\ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Ramada

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • \Users\Admin\AppData\Local\Keily\murkest.exe

    Filesize

    929KB

    MD5

    49e9e776c6f5d00a090adbd8814ffdc7

    SHA1

    4ea5b8d7b7beb2ad75bbe583c4658093c4ab12bd

    SHA256

    ef25dd02f39549f22a2272768115e7704ce4fd20e305b7aa16f9906b6688e903

    SHA512

    06e761bafcf3aa68a739ec24f17db1f9d1a36f59b940c8de12fd388dbd871dd2ab443a60c7723cd77ec1f52859cef469d9493759acc8acc1cfe1c471bf06f8cd

  • memory/2484-0-0x00000000010E0000-0x00000000012DD000-memory.dmp

    Filesize

    2.0MB

  • memory/2484-3-0x0000000000B10000-0x0000000000F10000-memory.dmp

    Filesize

    4.0MB

  • memory/2484-11-0x0000000002C60000-0x0000000002E5D000-memory.dmp

    Filesize

    2.0MB

  • memory/2484-10-0x00000000010E0000-0x00000000012DD000-memory.dmp

    Filesize

    2.0MB

  • memory/2800-12-0x0000000000900000-0x0000000000AFD000-memory.dmp

    Filesize

    2.0MB

  • memory/2800-17-0x0000000000BA0000-0x0000000000FA0000-memory.dmp

    Filesize

    4.0MB

  • memory/2800-24-0x0000000000900000-0x0000000000AFD000-memory.dmp

    Filesize

    2.0MB

  • memory/3024-21-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/3024-23-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/3024-20-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/3024-25-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

    Filesize

    4KB

  • memory/3024-26-0x00000000003A0000-0x0000000000400000-memory.dmp

    Filesize

    384KB

  • memory/3024-27-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-28-0x00000000005E0000-0x000000000063E000-memory.dmp

    Filesize

    376KB

  • memory/3024-29-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-39-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-57-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-69-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-81-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-242-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-87-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-85-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-83-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-79-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-77-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-75-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-73-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-71-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-67-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-65-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-63-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-61-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-59-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-55-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-53-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-51-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-49-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-47-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-45-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-43-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-41-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-37-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-35-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-33-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-31-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-30-0x00000000005E0000-0x0000000000638000-memory.dmp

    Filesize

    352KB

  • memory/3024-1123-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-1124-0x0000000073FEE000-0x0000000073FEF000-memory.dmp

    Filesize

    4KB

  • memory/3024-1125-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-1126-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-1127-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB