Analysis

  • max time kernel
    78s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    10-07-2020 17:00

General

  • Target

    Orden de Compra 710202.exe

  • Size

    843KB

  • MD5

    2cda3d4c1cebec83dae1823e48b2129a

  • SHA1

    1dce9eb9103e440f8733272da7ae5e1417be4e7c

  • SHA256

    48de7159c88fe6bf63d47315c38e30a595b4496562c706c1297ad1924c41ceca

  • SHA512

    0071ec1c3e9275e4a2ab8fa864139c8b731a37698e7f7061cec532afeb4e45d72dfa7d8b2b1d5dd990769311cfb8216ccfb76dfe4bb9c5f4199a80c0aa907eb3

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    babacj1234567890

Signatures

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • AgentTesla

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Orden de Compra 710202.exe
    "C:\Users\Admin\AppData\Local\Temp\Orden de Compra 710202.exe"
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Users\Admin\AppData\Local\Temp\Orden de Compra 710202.exe
      "C:\Users\Admin\AppData\Local\Temp\Orden de Compra 710202.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:3436

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3436-0-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/3436-1-0x00000000004A2470-mapping.dmp

  • memory/3436-2-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/3436-3-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/3436-4-0x0000000002190000-0x00000000021DC000-memory.dmp

    Filesize

    304KB

  • memory/3436-5-0x0000000000622000-0x0000000000623000-memory.dmp

    Filesize

    4KB