Analysis

  • max time kernel
    77s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    08-07-2020 07:09

General

  • Target

    ejinewcrypt.exe

  • Size

    713KB

  • MD5

    13c7191ab2781a2d225665a4c1b23b17

  • SHA1

    89d584fa1b31d8fc00c35fe73de89058dd79ec2c

  • SHA256

    50e017de70cd0bbf71b8f4e687d56b796cd355b38c30076c7769d8b0b8562449

  • SHA512

    96541683f67c11f33ce7f3c8674c84ef866c7c71558fab546a6c98662b59e1f012d36bfcec510897cb8d618ad74bb46489ba77f397e07ad6a952971be0df95d3

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dogaseed.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Doga_2017*

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dogaseed.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Doga_2017*

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.

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ejinewcrypt.exe
    "C:\Users\Admin\AppData\Local\Temp\ejinewcrypt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Users\Admin\AppData\Local\Temp\ejinewcrypt.exe
      "C:\Users\Admin\AppData\Local\Temp\ejinewcrypt.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3936
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:3460

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3936-0-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/3936-2-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/3936-3-0x0000000000400000-0x00000000004B0000-memory.dmp

      Filesize

      704KB

    • memory/3936-4-0x00000000009F0000-0x0000000000A42000-memory.dmp

      Filesize

      328KB

    • memory/3936-5-0x00000000023F2000-0x00000000023F3000-memory.dmp

      Filesize

      4KB