Analysis

  • max time kernel
    132s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 14:31

General

  • Target

    92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f.exe

  • Size

    662KB

  • MD5

    7e25fcb83e6c246f1db8539c26379f68

  • SHA1

    9387dd1db20f1d643437ddc90e2f227ce667ab99

  • SHA256

    92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f

  • SHA512

    20f5d204b73021c7b6fb55d8e19b2d2533b214a2f5697019c0af5a60b047f7e8494dfc442ae6f4115d78789223e6080a8e36c5946f73d0b9ebae63c40e903006

  • SSDEEP

    12288:plYifTEb5syskpi7Ar7CiiYN3Q40CfT7VkxSs5sRVbEbYstXM5y:kiI5NsAr7CirN10C7eB5sR2cst8w

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ipr-co.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    IPRco@100102@

Extracted

Family

agenttesla

Credentials

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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f.exe
    "C:\Users\Admin\AppData\Local\Temp\92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5012
    • C:\Users\Admin\AppData\Local\Temp\92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f.exe
      "C:\Users\Admin\AppData\Local\Temp\92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3360-10-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3360-19-0x0000000074C80000-0x0000000075430000-memory.dmp
    Filesize

    7.7MB

  • memory/3360-18-0x0000000006CF0000-0x0000000006D40000-memory.dmp
    Filesize

    320KB

  • memory/3360-15-0x0000000005630000-0x0000000005696000-memory.dmp
    Filesize

    408KB

  • memory/3360-16-0x0000000074C80000-0x0000000075430000-memory.dmp
    Filesize

    7.7MB

  • memory/3360-13-0x0000000074C80000-0x0000000075430000-memory.dmp
    Filesize

    7.7MB

  • memory/5012-4-0x0000000004E70000-0x0000000004E7A000-memory.dmp
    Filesize

    40KB

  • memory/5012-8-0x0000000005100000-0x0000000005110000-memory.dmp
    Filesize

    64KB

  • memory/5012-9-0x0000000006510000-0x0000000006594000-memory.dmp
    Filesize

    528KB

  • memory/5012-7-0x00000000052C0000-0x00000000052DA000-memory.dmp
    Filesize

    104KB

  • memory/5012-6-0x0000000005120000-0x00000000051BC000-memory.dmp
    Filesize

    624KB

  • memory/5012-5-0x0000000074C80000-0x0000000075430000-memory.dmp
    Filesize

    7.7MB

  • memory/5012-14-0x0000000074C80000-0x0000000075430000-memory.dmp
    Filesize

    7.7MB

  • memory/5012-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp
    Filesize

    4KB

  • memory/5012-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp
    Filesize

    584KB

  • memory/5012-2-0x00000000053D0000-0x0000000005974000-memory.dmp
    Filesize

    5.6MB

  • memory/5012-1-0x00000000003D0000-0x000000000047C000-memory.dmp
    Filesize

    688KB