Analysis

  • max time kernel
    141s
  • max time network
    22s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    07-07-2020 05:43

General

  • Target

    dhl_doc8532967438.exe

  • Size

    548KB

  • MD5

    6566b6e06e6bfa6f85d0e03591e3eb65

  • SHA1

    99bb5abae2ab677a12553a4a6c4a14b8a72793e5

  • SHA256

    d2c7f98d63c1f4253862342b89500ec15717d4ccc6e4fd83e85d9e4a6488469d

  • SHA512

    0c6f9973f1fcd6bbdc269e675ee4bade19c0b1b14852dd13fdff60b5b8b70a570d6504fa232cc7f88247997ca6e1e23240aef02b376d5cbe926081025a38c9a0

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 13 IoCs
  • AgentTesla

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • 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 data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

Processes

  • C:\Users\Admin\AppData\Local\Temp\dhl_doc8532967438.exe
    "C:\Users\Admin\AppData\Local\Temp\dhl_doc8532967438.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:828
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VhxvYtZaYTvVd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp403A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1320
    • C:\Users\Admin\AppData\Local\Temp\dhl_doc8532967438.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:1780

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1780-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1780-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1780-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB