Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03-06-2024 09:51

General

  • Target

    PO76389.exe

  • Size

    851KB

  • MD5

    b78a41cfedbd72be9cda0c2e8b456b9b

  • SHA1

    842a457a15cd9b35c930e86aa3adca801231c0c9

  • SHA256

    b43813d1e597a0633fc8693d5921688a8b189cfdc6c74fda22e42c2aefa3270c

  • SHA512

    2511b4647e030b02b3441fdf17259fa49547dead3c3b19d4a8bd04b1825d5bbe464d00cee273bd35f06a14bb66c135453e8d381bdf2b8c0fc2d5e5ba5edaecee

  • SSDEEP

    12288:PMYeaky/Qa0KP1x+kPwu9JaGYd89Lt/rFfaolj2YqEvlw7KZNy6XXSJFY/SYwkiN:PMYej0N5iYKR6XXSvY/STixHu9Iif

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 2 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\PO76389.exe
    "C:\Users\Admin\AppData\Local\Temp\PO76389.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:328
    • C:\Users\Admin\AppData\Local\Temp\PO76389.exe
      "C:\Users\Admin\AppData\Local\Temp\PO76389.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/328-0-0x000000007406E000-0x000000007406F000-memory.dmp

    Filesize

    4KB

  • memory/328-1-0x0000000000DC0000-0x0000000000E9A000-memory.dmp

    Filesize

    872KB

  • memory/328-2-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/328-3-0x00000000005B0000-0x00000000005C6000-memory.dmp

    Filesize

    88KB

  • memory/328-4-0x00000000006D0000-0x00000000006DE000-memory.dmp

    Filesize

    56KB

  • memory/328-5-0x00000000006E0000-0x00000000006F0000-memory.dmp

    Filesize

    64KB

  • memory/328-6-0x0000000005190000-0x0000000005214000-memory.dmp

    Filesize

    528KB

  • memory/328-22-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2264-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-23-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-24-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB

  • memory/2264-26-0x0000000074060000-0x000000007474E000-memory.dmp

    Filesize

    6.9MB