Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    16-07-2020 08:58

General

  • Target

    USD44,680.85 Payment against invoice 16.07.2020.PDF.exe

  • Size

    723KB

  • MD5

    5cc16d69a5305ad91a8d5c6986313589

  • SHA1

    b5e1ab1f76993f5dc99d7d647ac1b69cc29eb37f

  • SHA256

    71db72fdf67af76d080be2a30e8492469b63a48023286aa72ed83a322b45bfe1

  • SHA512

    8c0c523628a6f7886a1d7e125bb333b30798a5a06fd91ddab5243d98de80376bb62913a476f1afcbb5a89baf48e9a75fd25d83ac7e3a2e0edf0ae78351bba9bf

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alhaseebcorp.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    FRO#/kLtinG@123

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alhaseebcorp.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    FRO#/kLtinG@123

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.

  • Drops startup file 1 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 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\USD44,680.85 Payment against invoice 16.07.2020.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\USD44,680.85 Payment against invoice 16.07.2020.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      PID:3876
    • C:\Users\Admin\AppData\Local\Temp\USD44,680.85 Payment against invoice 16.07.2020.PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\USD44,680.85 Payment against invoice 16.07.2020.PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4088

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4088-1-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/4088-3-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/4088-4-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/4088-5-0x00000000009E0000-0x0000000000A2C000-memory.dmp

    Filesize

    304KB

  • memory/4088-6-0x0000000002372000-0x0000000002373000-memory.dmp

    Filesize

    4KB