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Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/03/2024, 01:07

General

  • Target

    FinalDraft1010CLEARDETAILSBL00398893PDF.exe

  • Size

    4.3MB

  • MD5

    ccd3e02044cbb142d3f74151c017b7fa

  • SHA1

    bdedb46f8d0ed904982103c37de98a572187feec

  • SHA256

    aa92559b13cde3bae21652f0dcdcf35ba0294baebba0db971af36127c8d6cd4d

  • SHA512

    dddd40237a02afeec74707a229c85cf915e09e501cd2a8204a30dfe1e0bda1e9cb0b8b02e1b288e101d6a4b31620c41e61d901a703049f3f021d67e6acbae3e6

  • SSDEEP

    49152:ThmBvgm276ZLLoF1ZghS8drWXFkK1PosuFMaFPj3mX202dmY7S31KmHH:TCyUWVkYALmd2dS3xHH

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6714648151:AAFRIqlRXcpOAB1Q5t6Cq8WiQBoGP3a1Gnw/

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FinalDraft1010CLEARDETAILSBL00398893PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\FinalDraft1010CLEARDETAILSBL00398893PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2340-1-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2340-2-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2340-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2340-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2340-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2340-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2340-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2340-0-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB