Analysis

  • max time kernel
    122s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 01:20

General

  • Target

    113a19f388033e4860daf2ba9600a2e26590d5db897877c22a971ff1399285ed.exe

  • Size

    881KB

  • MD5

    d47f63ebc20069af88b0e10e50ba9af5

  • SHA1

    b66a77a912924ab4830089af84f4a70c6109468d

  • SHA256

    113a19f388033e4860daf2ba9600a2e26590d5db897877c22a971ff1399285ed

  • SHA512

    16c151479406420e697d5540b76a6f4c6e87bc4011a8cd85662ee323bb65b7cd4aa4baa9ff791486124b7981e96a5801cd1915b9c91bbbed9acb14858ed6b232

  • SSDEEP

    12288:5aqB1H6KgblsHTy5brVxbaIHEPTLt/Lcg+fQFqM2Kjelk6:5aMsxsHTy5PVxBo/tTcgqQ8M2KEk

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7127892531:AAEiHDJV9da3w0nCvFvRsf9JJXqlkX03L5o/

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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\113a19f388033e4860daf2ba9600a2e26590d5db897877c22a971ff1399285ed.exe
    "C:\Users\Admin\AppData\Local\Temp\113a19f388033e4860daf2ba9600a2e26590d5db897877c22a971ff1399285ed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Users\Admin\AppData\Local\Temp\113a19f388033e4860daf2ba9600a2e26590d5db897877c22a971ff1399285ed.exe
      "C:\Users\Admin\AppData\Local\Temp\113a19f388033e4860daf2ba9600a2e26590d5db897877c22a971ff1399285ed.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1684-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

    Filesize

    4KB

  • memory/1684-1-0x0000000000A10000-0x0000000000AF2000-memory.dmp

    Filesize

    904KB

  • memory/1684-2-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-3-0x0000000000250000-0x000000000026A000-memory.dmp

    Filesize

    104KB

  • memory/1684-4-0x0000000000230000-0x0000000000240000-memory.dmp

    Filesize

    64KB

  • memory/1684-5-0x0000000004FF0000-0x0000000005072000-memory.dmp

    Filesize

    520KB

  • memory/1684-6-0x00000000746BE000-0x00000000746BF000-memory.dmp

    Filesize

    4KB

  • memory/1684-7-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-23-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2744-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2744-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2744-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2744-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2744-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2744-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2744-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2744-25-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-24-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-26-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB