Analysis

  • max time kernel
    129s
  • max time network
    80s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    30-06-2020 06:07

General

  • Target

    shipping documents.pdf.exe

  • Size

    406KB

  • MD5

    479b90f3d9a4280973b7a0f9d6cdbb0e

  • SHA1

    48246b5645cf749112b658ec06d8d1b9bade96a8

  • SHA256

    2a87cb832286cd46299d51045054aecf69b3a7898a7bef464531f9f9d370e9c6

  • SHA512

    bf47df72b39783ea1937844de5d73999a1dc37d0a1d76e64eb61b3b2f6314dd146c195030b75e5a78c313e88328191e7269992d47f0c0d8fd57d78668bef8765

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    infokingking88@yandex.ru
  • Password:
    kingmoney12345

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shipping documents.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\shipping documents.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Users\Admin\AppData\Local\Temp\shipping documents.pdf.exe
      "{path}"
      2⤵
        PID:4064
      • C:\Users\Admin\AppData\Local\Temp\shipping documents.pdf.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2476

    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

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\shipping documents.pdf.exe.log
      MD5

      3753b01eddc20f64178eaf3d55b5c146

      SHA1

      ca50665940eb8519e1df0c1f185fb72a271c2a66

      SHA256

      99096651b1d9b4a7562f56c8e42c06d1166f7f22a93816e2862317ada8154b37

      SHA512

      566366e651e94fab25454fb0199508cd62a64723137b32fbd5bee531110403d9194b9a4fc053740c571a69e820c1c72e48d65fc3a5410a22b6ae9d2e55508bf3

    • memory/2476-0-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/2476-1-0x000000000044701E-mapping.dmp