Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 8 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:816
    • 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:4560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/816-8-0x0000000006CF0000-0x0000000006D72000-memory.dmp

    Filesize

    520KB

  • memory/816-16-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/816-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/816-3-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/816-5-0x00000000056C0000-0x00000000056CA000-memory.dmp

    Filesize

    40KB

  • memory/816-4-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/816-6-0x0000000005A60000-0x0000000005A7A000-memory.dmp

    Filesize

    104KB

  • memory/816-7-0x0000000005AF0000-0x0000000005B00000-memory.dmp

    Filesize

    64KB

  • memory/816-2-0x0000000005C00000-0x00000000061A4000-memory.dmp

    Filesize

    5.6MB

  • memory/816-1-0x0000000000BE0000-0x0000000000CC2000-memory.dmp

    Filesize

    904KB

  • memory/816-11-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/816-10-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

    Filesize

    4KB

  • memory/816-9-0x0000000008070000-0x000000000810C000-memory.dmp

    Filesize

    624KB

  • memory/4560-19-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-17-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-14-0x0000000074D20000-0x00000000754D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-15-0x0000000005900000-0x0000000005966000-memory.dmp

    Filesize

    408KB

  • memory/4560-18-0x0000000006E40000-0x0000000006E90000-memory.dmp

    Filesize

    320KB

  • memory/4560-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB