Analysis

  • max time kernel
    97s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    26-01-2021 06:29

General

  • Target

    Payment slip PO#FL17474-7403810.rar.exe

  • Size

    217KB

  • MD5

    f1ada0fe08ef44b8f589e974f619d87d

  • SHA1

    bf4c5534825090df14f285624f9b4ea699f63bb0

  • SHA256

    8d612b2743dcec9641417c32c472aca58eb0161e8609754fcf728c7ee57ee5ca

  • SHA512

    2a329b5df90e7e28253dbf647ec8971905d24e7de91cff60a8d4d9e44ecd829154ec9f611cf1807453ba9d678cf6fbbe1f817caf220e0125638e93b76a0d42bc

Malware Config

Signatures

  • AgentTesla

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

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment slip PO#FL17474-7403810.rar.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment slip PO#FL17474-7403810.rar.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1740-2-0x00000000741A0000-0x000000007488E000-memory.dmp
    Filesize

    6.9MB

  • memory/1740-3-0x00000000010C0000-0x00000000010C1000-memory.dmp
    Filesize

    4KB

  • memory/1740-5-0x0000000004A90000-0x0000000004A91000-memory.dmp
    Filesize

    4KB

  • memory/1740-6-0x0000000004A91000-0x0000000004A92000-memory.dmp
    Filesize

    4KB