Analysis

  • max time kernel
    136s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    13-07-2020 06:53

General

  • Target

    PI_pdf.exe

  • Size

    967KB

  • MD5

    8e2a814c0f3b767f802c12628c2d68d4

  • SHA1

    09b14346503e03953323ebf5384cc6385413aaf9

  • SHA256

    bed1bc74a4c22d6b33dac5993b86a42cf319c77df20990ffb68b5e4a60e054a7

  • SHA512

    53f56117ddd44d5c8dac866f26ee8173a2e337abe4f0b6eba402e00a9e9c510e06d4e2f4304d8c9da64d7f1eb303f86da378bb04c04ad6a966cbad1a365539f7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flood-protection.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    scott22424@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 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\PI_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PI_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Users\Admin\AppData\Local\Temp\PI_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PI_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1420
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:464

    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/464-8-0x0000000000000000-mapping.dmp
    • memory/1420-0-0x0000000000400000-0x00000000004B0000-memory.dmp
      Filesize

      704KB

    • memory/1420-1-0x00000000004AE1E0-mapping.dmp
    • memory/1420-2-0x0000000000400000-0x00000000004B0000-memory.dmp
      Filesize

      704KB

    • memory/1420-3-0x0000000000400000-0x00000000004B0000-memory.dmp
      Filesize

      704KB

    • memory/1420-4-0x0000000001D10000-0x0000000001D62000-memory.dmp
      Filesize

      328KB

    • memory/1420-5-0x0000000001EB2000-0x0000000001EB3000-memory.dmp
      Filesize

      4KB

    • memory/1420-6-0x0000000000230000-0x000000000027C000-memory.dmp
      Filesize

      304KB