Analysis

  • max time kernel
    122s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 01:06

General

  • Target

    c413ed27fe8d4271dd5d6965632a60e97a6e5d53e1e8aaf09375ce4c8708213b.exe

  • Size

    920KB

  • MD5

    219a95000b6d3aaa75463c5a2b5d0a23

  • SHA1

    4d0756f8fed9f292cf2da488cbcf86cc8b55074b

  • SHA256

    c413ed27fe8d4271dd5d6965632a60e97a6e5d53e1e8aaf09375ce4c8708213b

  • SHA512

    bb5252714a6ea4865c54fb8ae9f83a5c9b6c190571f0cdc63f743a5b70a982b53492155b64fd3b0a2891e64360c3e8bddea3a54336bbae662ba0df83ba79ddae

  • SSDEEP

    12288:Oh4HTLUkSr6KBgC0fLjbHEoBKy0aMaSzOKy2r7SPN1ndm:1TLUkS+K30fzHj9MaSSKy2/SPN1ng

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evico
  • Password:
    Doll650#@

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Agenttesla family
  • 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 2 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c413ed27fe8d4271dd5d6965632a60e97a6e5d53e1e8aaf09375ce4c8708213b.exe
    "C:\Users\Admin\AppData\Local\Temp\c413ed27fe8d4271dd5d6965632a60e97a6e5d53e1e8aaf09375ce4c8708213b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\c413ed27fe8d4271dd5d6965632a60e97a6e5d53e1e8aaf09375ce4c8708213b.exe
      "C:\Users\Admin\AppData\Local\Temp\c413ed27fe8d4271dd5d6965632a60e97a6e5d53e1e8aaf09375ce4c8708213b.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2692-14-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2692-1-0x00000000008C0000-0x00000000009AC000-memory.dmp

    Filesize

    944KB

  • memory/2692-2-0x0000000000590000-0x00000000005D8000-memory.dmp

    Filesize

    288KB

  • memory/2692-17-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2692-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

    Filesize

    4KB

  • memory/2816-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2816-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2816-15-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2816-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2816-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2816-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2816-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2816-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2816-16-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2816-4-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2816-20-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB