Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 01:26

General

  • Target

    0a153822ed3abd791c3363d474fcb5aed7ce141018bb18de8629be612f6bb7cd.exe

  • Size

    245KB

  • MD5

    1ec597a87537758c970f797e4d1a3bc6

  • SHA1

    eb861337937ab27ebb4f94945047c83f9886cfdb

  • SHA256

    0a153822ed3abd791c3363d474fcb5aed7ce141018bb18de8629be612f6bb7cd

  • SHA512

    260cde0b3f2feaf7c07d345d34c32550f6af4496de734eb2f5a2fe0f398ec88f8a66de8f62b8e0d645535cfe4e1d84b94bc071f6875b66cdec22d8912a15f2b5

  • SSDEEP

    3072:1YBoUQk4tnyW0NYmA0pJT+9SZfG5utzLOC8N51QHGqVL:1GoUQk4tnyW81A0pJkSZ+ozKC82Hv

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\0a153822ed3abd791c3363d474fcb5aed7ce141018bb18de8629be612f6bb7cd.exe
    "C:\Users\Admin\AppData\Local\Temp\0a153822ed3abd791c3363d474fcb5aed7ce141018bb18de8629be612f6bb7cd.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1736

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/1736-0-0x0000000000BA0000-0x0000000000BE4000-memory.dmp
    Filesize

    272KB

  • memory/1736-1-0x0000000074650000-0x0000000074D3E000-memory.dmp
    Filesize

    6.9MB

  • memory/1736-2-0x0000000004990000-0x00000000049D0000-memory.dmp
    Filesize

    256KB

  • memory/1736-5-0x0000000074650000-0x0000000074D3E000-memory.dmp
    Filesize

    6.9MB

  • memory/1736-6-0x0000000004990000-0x00000000049D0000-memory.dmp
    Filesize

    256KB