Analysis

  • max time kernel
    71s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07-07-2020 09:54

General

  • Target

    TNT SHIPPING DETAILS _PDF.exe

  • Size

    675KB

  • MD5

    efbbd5d71522c6ab7d04d2d0fc8bc7aa

  • SHA1

    2c0f38fc16252921f730b1fc3689e26a60e2b6e8

  • SHA256

    0fc60e6149afb0a4a187d8d2d593a8939460ee688ca36091a825489e0d1ed399

  • SHA512

    5b3e82e75b14a1be8982eb59a118a6218a873c2eed619335abf48be4605d47dfd5e5d09b85a26252cda6931bfd25e8f030f63ef995f80dc7a46d85017da8d0c8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.perfectholidaysborneo.com
  • Port:
    587
  • Username:
    accounts@perfectholidaysborneo.com
  • Password:
    p@2016apple

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TNT SHIPPING DETAILS _PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\TNT SHIPPING DETAILS _PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Users\Admin\AppData\Local\Temp\TNT SHIPPING DETAILS _PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\TNT SHIPPING DETAILS _PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1664

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    3
    T1081

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1088-1-0x0000000000000000-0x0000000000000000-disk.dmp
    • memory/1448-3-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1448-4-0x000000000044CD5E-mapping.dmp
    • memory/1448-5-0x0000000000080000-0x00000000000D2000-memory.dmp
      Filesize

      328KB

    • memory/1448-6-0x0000000000080000-0x00000000000D2000-memory.dmp
      Filesize

      328KB

    • memory/1664-7-0x0000000000000000-mapping.dmp