Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:07

General

  • Target

    SKMBT ref 11062024.scr

  • Size

    764KB

  • MD5

    d50275bec33aa7fcbbc5e9e3efb7086f

  • SHA1

    6fc77e994f56af643ec5c429c2da401d1fcffda4

  • SHA256

    753cdbf4b5b1e61e9d56b9c40a157903a3a346595160c5d2e1c766ffde730323

  • SHA512

    5b5b5ecee7ae9b6cc0c8dca3f49fe14b123dc5303b954c7008a84b2b2f1972c0b8b515a1afa6fccf9225a90c02b50efa67123b8a9f83dd021ba7ce459ad7bf4a

  • SSDEEP

    12288:8lOKjCJAQC/4fBtLDvM7BlH7m/LXPYJk4gRJ5llIhmdiqACR5leZlNo:k4AD4fPw7BgLPYJkr/d3A+er

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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
    "C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr
      "C:\Users\Admin\AppData\Local\Temp\SKMBT ref 11062024.scr"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2616-19-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-21-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-16-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2616-14-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2616-18-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2616-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2616-6-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2616-10-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2616-22-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2616-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2928-5-0x000000000A1D0000-0x000000000A256000-memory.dmp

    Filesize

    536KB

  • memory/2928-0-0x000000007419E000-0x000000007419F000-memory.dmp

    Filesize

    4KB

  • memory/2928-20-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2928-3-0x0000000000450000-0x0000000000472000-memory.dmp

    Filesize

    136KB

  • memory/2928-2-0x0000000074190000-0x000000007487E000-memory.dmp

    Filesize

    6.9MB

  • memory/2928-1-0x00000000011E0000-0x00000000012A6000-memory.dmp

    Filesize

    792KB

  • memory/2928-4-0x00000000003B0000-0x00000000003C0000-memory.dmp

    Filesize

    64KB