Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2024 11:56

General

  • Target

    811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe

  • Size

    333KB

  • MD5

    42b4fef373e667d728f14edcc273d022

  • SHA1

    9c632c3dff322fbf8fea5db15c2587062c481bf2

  • SHA256

    811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641

  • SHA512

    30e40cf5442b6fed390d6bf031ddde0d96ff5c107dfd9ff2b90d9601cf8c01f9f0ce30ee95e0a1b96526b50b5898897247d4e8704d818d43dfb76b994763de52

  • SSDEEP

    6144:l0PUl8IZHn/sJedRnkPaGbAbih/XK6KyRaj7uy6YbSy9w05W+M7j:l0lIx/sgnkP5BSQy7xjigWtf

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 3 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
  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe
    "C:\Users\Admin\AppData\Local\Temp\811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Users\Admin\AppData\Local\Temp\811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe
      "C:\Users\Admin\AppData\Local\Temp\811dd7abf03bd11c552fc33a1543bbf4a1195af7b860dc03c1a2555b07f48641.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2852-0-0x000000007485E000-0x000000007485F000-memory.dmp

    Filesize

    4KB

  • memory/2852-1-0x0000000001330000-0x000000000138A000-memory.dmp

    Filesize

    360KB

  • memory/2852-13-0x0000000074850000-0x0000000074F3E000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3024-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3024-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3024-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3024-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3024-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3024-2-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3024-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3024-14-0x0000000074850000-0x0000000074F3E000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-15-0x0000000074850000-0x0000000074F3E000-memory.dmp

    Filesize

    6.9MB

  • memory/3024-17-0x0000000074850000-0x0000000074F3E000-memory.dmp

    Filesize

    6.9MB