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
    23-05-2024 13:28

General

  • Target

    JUSTIFICANTE DE PAGO1104.exe

  • Size

    671KB

  • MD5

    9bb3778ebbc426240ad6886ad159e721

  • SHA1

    7c4c931aef0977233bebc3b8e1b0012c0c4e0b06

  • SHA256

    9132607df09887bfe4d525bc748345d8a21d46a664faacaac4a6742f5ddf5e9f

  • SHA512

    8b2228238d98a5f11ce918078617f5b6c5dc49d24da8a9f1ca8af617cc2740cf6fd5943a0edd60e25a5dfb0a1ad987b444cd05e6bc70fbe06e2385a9c4986511

  • SSDEEP

    12288:RHMLuIEHV+1eVJNxKrhLXV6KDsdygVRqMm0ArO4WGGq/YpzNz8nJasBGT9BUk:wuv1rVJg9rN0830RNIdBGT9+k

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE DE PAGO1104.exe
    "C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE DE PAGO1104.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE DE PAGO1104.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
    • C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE DE PAGO1104.exe
      "C:\Users\Admin\AppData\Local\Temp\JUSTIFICANTE DE PAGO1104.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2588-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2588-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2588-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2588-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2588-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2588-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2588-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2588-14-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3020-4-0x0000000000420000-0x000000000043A000-memory.dmp

    Filesize

    104KB

  • memory/3020-6-0x0000000005540000-0x00000000055C2000-memory.dmp

    Filesize

    520KB

  • memory/3020-1-0x0000000001120000-0x00000000011CE000-memory.dmp

    Filesize

    696KB

  • memory/3020-5-0x0000000000350000-0x0000000000360000-memory.dmp

    Filesize

    64KB

  • memory/3020-0-0x000000007429E000-0x000000007429F000-memory.dmp

    Filesize

    4KB

  • memory/3020-3-0x0000000000EE0000-0x0000000000F82000-memory.dmp

    Filesize

    648KB

  • memory/3020-2-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB

  • memory/3020-20-0x0000000074290000-0x000000007497E000-memory.dmp

    Filesize

    6.9MB