Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    14-07-2020 01:17

General

  • Target

    packing list .pdf.exe

  • Size

    739KB

  • MD5

    38128c21bb7c951f6916f29d641a3ffc

  • SHA1

    ee05de47457938350639af461c138c801b54f5b3

  • SHA256

    0d0aaa114bac9aa0afb33e6c70959524af7afa277e7700967763c604d4d188c2

  • SHA512

    66ed56f43932bd1791e245e9671acfc8782f8999c98fe6d3e9ad44ca2b52daea977b42eb196b6f1c3644f8722671d6ee0b0f4b334f86b431e5ef3a23bb066ff7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kingmoney12345

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.

  • 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\packing list .pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\packing list .pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\packing list .pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\packing list .pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2068-1-0x00000000004A2610-mapping.dmp

  • memory/2068-0-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2068-2-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2068-3-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2068-4-0x00000000009D0000-0x0000000000A1C000-memory.dmp

    Filesize

    304KB

  • memory/2068-5-0x0000000000A42000-0x0000000000A43000-memory.dmp

    Filesize

    4KB