Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 01:10

General

  • Target

    5ea4437df5dcc07b35c3959a6fc54d07415d77a659f277fd73f34cccfbbfe1ad.exe

  • Size

    837KB

  • MD5

    75dc78c375dfee9c0b96fa476bcd5d1c

  • SHA1

    2f61518b7b14b35b9e4fc53c99455c9d2293f139

  • SHA256

    5ea4437df5dcc07b35c3959a6fc54d07415d77a659f277fd73f34cccfbbfe1ad

  • SHA512

    81673ab01120f7d15675852b4cf3ed020be1d1bc8494d9dac213d33324cd22cfe22652fcd85da06e438c8494fcd19b1e638805651b5412a83ab9912d48015edb

  • SSDEEP

    12288:yZ9pzkL1KcPt7sOcflZDLpp8jlMVGdAbNASR8OA10aIkiU:yZ9pzUH7ZEdv8JMVGdGAS210aIki

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    micromeqbd@gmail.com
  • Password:
    tssveohxktcpzhdm
  • Email To:
    micromeqbd@gmail.com

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.

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ea4437df5dcc07b35c3959a6fc54d07415d77a659f277fd73f34cccfbbfe1ad.exe
    "C:\Users\Admin\AppData\Local\Temp\5ea4437df5dcc07b35c3959a6fc54d07415d77a659f277fd73f34cccfbbfe1ad.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Users\Admin\AppData\Local\Temp\5ea4437df5dcc07b35c3959a6fc54d07415d77a659f277fd73f34cccfbbfe1ad.exe
      "C:\Users\Admin\AppData\Local\Temp\5ea4437df5dcc07b35c3959a6fc54d07415d77a659f277fd73f34cccfbbfe1ad.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2732

Network

MITRE ATT&CK Matrix ATT&CK v13

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/2168-0-0x0000000000E50000-0x0000000000F28000-memory.dmp
    Filesize

    864KB

  • memory/2168-1-0x00000000743F0000-0x0000000074ADE000-memory.dmp
    Filesize

    6.9MB

  • memory/2168-2-0x0000000004330000-0x000000000439E000-memory.dmp
    Filesize

    440KB

  • memory/2168-3-0x0000000004550000-0x0000000004590000-memory.dmp
    Filesize

    256KB

  • memory/2168-4-0x0000000000510000-0x0000000000518000-memory.dmp
    Filesize

    32KB

  • memory/2168-20-0x00000000743F0000-0x0000000074ADE000-memory.dmp
    Filesize

    6.9MB

  • memory/2732-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2732-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2732-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2732-13-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2732-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2732-19-0x00000000743F0000-0x0000000074ADE000-memory.dmp
    Filesize

    6.9MB

  • memory/2732-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2732-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2732-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2732-21-0x00000000743F0000-0x0000000074ADE000-memory.dmp
    Filesize

    6.9MB