Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 18:08

General

  • Target

    FMCOrderNo22052468.exe

  • Size

    739KB

  • MD5

    20aa4f769a2300a297ff30daffcf4c07

  • SHA1

    b888dd2ae48d5734dffcfa0f4b6a054ee280cbe5

  • SHA256

    d72a38a470f42bd7900c62d2858f2986ddc90267b182e2149a847a3096b03465

  • SHA512

    73d60fa8fdba2d39aa60be5231003fbe94c471e851b25b7b5b3b1b63622cb9125657bc0385b6bdf763d3de58685151fe65f2a31650c4560c9e65f9d2cce6d074

  • SSDEEP

    12288:PiJZdY3Gq1EbOBv7wpSumyhqDOXdF9aNM8+ohlsOH2v3zng4PD60jqbJmjrEAmD:PEZZBOBE0umywc4Z+ohnyzLjmJw

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FMCOrderNo22052468.exe
    "C:\Users\Admin\AppData\Local\Temp\FMCOrderNo22052468.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\FMCOrderNo22052468.exe
      "C:\Users\Admin\AppData\Local\Temp\FMCOrderNo22052468.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1660-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp
    Filesize

    4KB

  • memory/1660-1-0x00000000012C0000-0x000000000137E000-memory.dmp
    Filesize

    760KB

  • memory/1660-2-0x0000000073EF0000-0x00000000745DE000-memory.dmp
    Filesize

    6.9MB

  • memory/1660-3-0x0000000001090000-0x0000000001132000-memory.dmp
    Filesize

    648KB

  • memory/1660-4-0x00000000003F0000-0x000000000040A000-memory.dmp
    Filesize

    104KB

  • memory/1660-5-0x0000000000260000-0x0000000000270000-memory.dmp
    Filesize

    64KB

  • memory/1660-6-0x0000000005460000-0x00000000054E4000-memory.dmp
    Filesize

    528KB

  • memory/1660-27-0x0000000073EF0000-0x00000000745DE000-memory.dmp
    Filesize

    6.9MB

  • memory/3016-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/3016-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3016-19-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3016-13-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3016-11-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3016-7-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3016-9-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3016-23-0x0000000073EF0000-0x00000000745DE000-memory.dmp
    Filesize

    6.9MB

  • memory/3016-24-0x0000000073EF0000-0x00000000745DE000-memory.dmp
    Filesize

    6.9MB

  • memory/3016-17-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3016-28-0x0000000073EF0000-0x00000000745DE000-memory.dmp
    Filesize

    6.9MB