Analysis

  • max time kernel
    119s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 02:32

General

  • Target

    4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe

  • Size

    656KB

  • MD5

    1534d66b1d5d06bf3ce463fe4de16113

  • SHA1

    8bab8bba168c3af944cea61d0c850ee0af12f49e

  • SHA256

    4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923

  • SHA512

    2338dd07308e4231556bc7b091ea7f6642a0f50c93c19dd9821e97dbb82282dbbe3173dcb6494de8a83ff5211d54bfb5de0d58e60a5d7216f8c8eaa700a03e3a

  • SSDEEP

    12288:vJzi8LkpEaboi4dUdW24hWYtooHMb0uUM2xnUHPkC+u7FOJmb7QMHE8hSe:vJ2jEw4ceWvoHQh2xnUHPkCAJmbE

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\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
    "C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe
      "C:\Users\Admin\AppData\Local\Temp\4c145622d488c731979d42c7f79c472a5cd1f68e8c64a397e4a866d284d23923.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2392-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

    Filesize

    4KB

  • memory/2392-1-0x0000000000E30000-0x0000000000EDA000-memory.dmp

    Filesize

    680KB

  • memory/2392-2-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2392-3-0x0000000000900000-0x000000000091A000-memory.dmp

    Filesize

    104KB

  • memory/2392-4-0x0000000000460000-0x0000000000470000-memory.dmp

    Filesize

    64KB

  • memory/2392-5-0x0000000004D20000-0x0000000004DA4000-memory.dmp

    Filesize

    528KB

  • memory/2392-17-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/3008-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3008-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3008-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3008-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3008-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3008-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3008-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3008-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3008-18-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/3008-19-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB

  • memory/3008-35-0x0000000073EF0000-0x00000000745DE000-memory.dmp

    Filesize

    6.9MB