Analysis

  • max time kernel
    111s
  • max time network
    97s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:54

General

  • Target
    P_8879_PDF.exe
  • Size 463KB
  • Sample201109-yllkexk2ve
  • SHA256 def3a384fb2c2fbe147039cfd377cce023c19c317461a912cc084518cd23be33
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • rezer0 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • 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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\P_8879_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\P_8879_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Local\Temp\P_8879_PDF.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1140

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1128-0-0x0000000074B10000-0x00000000751FE000-memory.dmp

        memory/1128-1-0x0000000000190000-0x0000000000191000-memory.dmp

        memory/1128-3-0x0000000001EC0000-0x0000000001EC2000-memory.dmp

        memory/1128-4-0x00000000046B0000-0x00000000046FD000-memory.dmp

        memory/1140-5-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1140-7-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1140-8-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1140-9-0x0000000074B10000-0x00000000751FE000-memory.dmp