Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 01:30

General

  • Target

    2d85be4b0711072c9bc1f6347f1a8d67de0e014c5d87d8a64dbca0ca323c1d20.exe

  • Size

    245KB

  • MD5

    7b02def3d93f23dd6a956381e17c0cd1

  • SHA1

    d27c3139a171731e04355e47b0c8087327c2e511

  • SHA256

    2d85be4b0711072c9bc1f6347f1a8d67de0e014c5d87d8a64dbca0ca323c1d20

  • SHA512

    6edf37f21ecbfcefc6e131cc3e544eec26e40f3f4bfeefc58cb51040e7908c90f036e56ff0cbd2b6c282539be68e926a2fbda33acf236ff822abd67fe3e7ea23

  • SSDEEP

    3072:msloUQk4zMaHu2ojhqIWf2Gu8b2t3NWiu5ozSq0Or:mmoUQk4zMaO2ojhqI6Dub3NWiDOq1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ykqatar.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kh831975@

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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d85be4b0711072c9bc1f6347f1a8d67de0e014c5d87d8a64dbca0ca323c1d20.exe
    "C:\Users\Admin\AppData\Local\Temp\2d85be4b0711072c9bc1f6347f1a8d67de0e014c5d87d8a64dbca0ca323c1d20.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1576

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1576-0-0x0000000000850000-0x0000000000894000-memory.dmp
    Filesize

    272KB

  • memory/1576-1-0x0000000074850000-0x0000000074F3E000-memory.dmp
    Filesize

    6.9MB

  • memory/1576-2-0x0000000004B10000-0x0000000004B50000-memory.dmp
    Filesize

    256KB

  • memory/1576-5-0x0000000074850000-0x0000000074F3E000-memory.dmp
    Filesize

    6.9MB

  • memory/1576-6-0x0000000004B10000-0x0000000004B50000-memory.dmp
    Filesize

    256KB