Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    15/07/2020, 20:45

General

  • Target

    Payment Advice.exe

  • Size

    739KB

  • MD5

    08e759dbea723644aa0a83897773a90b

  • SHA1

    4c65541a819cd7a39b4a4a4162b1d205cda82611

  • SHA256

    930d653a60d5eea45cb332a3b313d8bf129c1b6a0dfa82aaedadfb9dd0dc8ced

  • SHA512

    0a8e73db9d8330b074705fd9b5e1c8d4a7f4fcebd591abff509145c5d3e12193159b5ecf6a64f423f2d504785dbce37a76150e43fd8b6ccb96dd43d2bad95296

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Blessing123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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.

  • 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\Payment Advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3544
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2944

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2944-0-0x0000000000400000-0x00000000004A4000-memory.dmp

          Filesize

          656KB

        • memory/2944-2-0x0000000000400000-0x00000000004A4000-memory.dmp

          Filesize

          656KB

        • memory/2944-3-0x0000000000400000-0x00000000004A4000-memory.dmp

          Filesize

          656KB

        • memory/2944-4-0x00000000009C0000-0x0000000000A0C000-memory.dmp

          Filesize

          304KB

        • memory/2944-5-0x0000000002422000-0x0000000002423000-memory.dmp

          Filesize

          4KB