Analysis

  • max time kernel
    143s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 13:44

General

  • Target

    captured_malware/YCUMy7OsLy2HRs6.exe

  • Size

    1.4MB

  • MD5

    ed6c05676795aec8b92b73201c000b3b

  • SHA1

    04b28d1f45f0383780b2f80edfb8678d013b1f95

  • SHA256

    88adfc181742099b77f42fbe0de808397332c397edbe9174f3710d1899789b13

  • SHA512

    bf57069344790bf2ab91da81a94c85b2081595b6739451c01857bc01788d4c3ea9795b20d1f4019fa5c66d15f72ede9261db1150adda62d825a3bbb330516112

  • SSDEEP

    24576:7oREAJra/fx8DgMfx8DgksWWkoWIyC1H2KsEK+g9ZCvLL:m3JrW58DgM58DgKotyCxdsEuZCT

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alexfoxfreight.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ueos*93sj!#!12

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\captured_malware\YCUMy7OsLy2HRs6.exe
    "C:\Users\Admin\AppData\Local\Temp\captured_malware\YCUMy7OsLy2HRs6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Users\Admin\AppData\Local\Temp\captured_malware\YCUMy7OsLy2HRs6.exe
      "C:\Users\Admin\AppData\Local\Temp\captured_malware\YCUMy7OsLy2HRs6.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\YCUMy7OsLy2HRs6.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3524-19-0x0000000006780000-0x00000000067E6000-memory.dmp

    Filesize

    408KB

  • memory/3524-18-0x0000000005B00000-0x0000000005B18000-memory.dmp

    Filesize

    96KB

  • memory/3524-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3524-23-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-22-0x00000000069A0000-0x00000000069F0000-memory.dmp

    Filesize

    320KB

  • memory/3524-21-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-20-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-17-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-15-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3524-24-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-8-0x000000007518E000-0x000000007518F000-memory.dmp

    Filesize

    4KB

  • memory/4224-1-0x00000000000B0000-0x000000000021C000-memory.dmp

    Filesize

    1.4MB

  • memory/4224-10-0x0000000008C80000-0x0000000008D1E000-memory.dmp

    Filesize

    632KB

  • memory/4224-9-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-16-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp

    Filesize

    584KB

  • memory/4224-2-0x00000000050D0000-0x0000000005674000-memory.dmp

    Filesize

    5.6MB

  • memory/4224-6-0x0000000006690000-0x000000000672C000-memory.dmp

    Filesize

    624KB

  • memory/4224-7-0x0000000004620000-0x0000000004632000-memory.dmp

    Filesize

    72KB

  • memory/4224-0-0x000000007518E000-0x000000007518F000-memory.dmp

    Filesize

    4KB

  • memory/4224-4-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

    Filesize

    40KB

  • memory/4224-5-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-11-0x00000000079C0000-0x00000000079FC000-memory.dmp

    Filesize

    240KB