Analysis

  • max time kernel
    116s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 09:23

General

  • Target

    Payment Advice_20240424.exe

  • Size

    699KB

  • MD5

    2a1173846e35c629fb7a06d3c075bf4c

  • SHA1

    1c69c6e36c60708e84d84ba64d7970bc76440f05

  • SHA256

    d7c3896d1f9781722e74aa0bbc807a5511b44c278bb9003a169208a8c595076b

  • SHA512

    f471b9e3062625eb62c3306e644399ef4957571a35f0c14783a5c84db90940fd7dc254e66923855edfdeea0526444f519b5cabc038639abb59c4009ada01d1d2

  • SSDEEP

    12288:mNgLeFR6r0clv312Z3X3HAhhFmx41/DnQoMnCvR0Zk6Fj3Cb/jQvfhKh07PayCQM:qcJ312ZXwFw4pnQoim0ZkaCL6h7vVX2v

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.innomedjsc.com
  • Port:
    587
  • Username:
    nhung.hth@innomedjsc.com
  • Password:
    s]~5ai)IFpr-
  • Email To:
    info@jlnli.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.

  • 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\Payment Advice_20240424.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice_20240424.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice_20240424.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice_20240424.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4956

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/3368-8-0x0000000008CC0000-0x0000000008D44000-memory.dmp
    Filesize

    528KB

  • memory/3368-2-0x0000000005620000-0x0000000005BC4000-memory.dmp
    Filesize

    5.6MB

  • memory/3368-9-0x000000000BDE0000-0x000000000BE7C000-memory.dmp
    Filesize

    624KB

  • memory/3368-0-0x0000000000700000-0x00000000007B2000-memory.dmp
    Filesize

    712KB

  • memory/3368-4-0x00000000053D0000-0x00000000053E0000-memory.dmp
    Filesize

    64KB

  • memory/3368-5-0x0000000005210000-0x000000000521A000-memory.dmp
    Filesize

    40KB

  • memory/3368-6-0x00000000055F0000-0x0000000005610000-memory.dmp
    Filesize

    128KB

  • memory/3368-7-0x00000000062E0000-0x00000000062F4000-memory.dmp
    Filesize

    80KB

  • memory/3368-15-0x00000000749B0000-0x0000000075160000-memory.dmp
    Filesize

    7.7MB

  • memory/3368-1-0x00000000749B0000-0x0000000075160000-memory.dmp
    Filesize

    7.7MB

  • memory/3368-3-0x0000000005150000-0x00000000051E2000-memory.dmp
    Filesize

    584KB

  • memory/4956-12-0x00000000749B0000-0x0000000075160000-memory.dmp
    Filesize

    7.7MB

  • memory/4956-13-0x0000000004F50000-0x0000000004F60000-memory.dmp
    Filesize

    64KB

  • memory/4956-14-0x0000000005320000-0x0000000005386000-memory.dmp
    Filesize

    408KB

  • memory/4956-18-0x0000000004F50000-0x0000000004F60000-memory.dmp
    Filesize

    64KB

  • memory/4956-16-0x0000000005FC0000-0x0000000006010000-memory.dmp
    Filesize

    320KB

  • memory/4956-17-0x00000000749B0000-0x0000000075160000-memory.dmp
    Filesize

    7.7MB

  • memory/4956-10-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB