Analysis

  • max time kernel
    136s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    07-07-2020 06:06

General

  • Target

    ee9f896676c5bac2db638b409482cad9.exe

  • Size

    786KB

  • MD5

    ee9f896676c5bac2db638b409482cad9

  • SHA1

    63aa8de44697789280af9c2f4d99c620b9b094f9

  • SHA256

    3f84449fb5f75fd819647272fbb4e81be702af7299981085064d8767608e27dc

  • SHA512

    2ec4363688b8fdb05eb8e17319e2a5cbafa52918058678093cfe2e5a84ef83f4a2e0c3dd9cf4082dcc0b342298637580b888220fb91f967fc885dde3e181ca8a

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    dutchlogs.us
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    dutchlogs.us
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • UPX packed file 3 IoCs

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

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee9f896676c5bac2db638b409482cad9.exe
    "C:\Users\Admin\AppData\Local\Temp\ee9f896676c5bac2db638b409482cad9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Users\Admin\AppData\Local\Temp\ee9f896676c5bac2db638b409482cad9.exe
      "C:\Users\Admin\AppData\Local\Temp\ee9f896676c5bac2db638b409482cad9.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3876

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3876-0-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/3876-1-0x00000000004A3CA0-mapping.dmp

  • memory/3876-2-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/3876-3-0x0000000000400000-0x00000000004A5000-memory.dmp

    Filesize

    660KB

  • memory/3876-4-0x0000000000980000-0x00000000009CC000-memory.dmp

    Filesize

    304KB

  • memory/3876-5-0x0000000000A02000-0x0000000000A03000-memory.dmp

    Filesize

    4KB