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Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07/07/2020, 13:27

General

  • Target

    HARRY5.7.exe

  • Size

    728KB

  • MD5

    d1d81029d33d61f18a65b188bd8eb507

  • SHA1

    87fe929ce269da0087ff96c5c83a1503eecc995f

  • SHA256

    cfda045f26a8812b937f0f751b706f9cff8bddbee0759420265ba201cd694e12

  • SHA512

    68b23f2b1d7931ae91323d9d68ba24020d03e1c9438dd52b0e9b11453bba04c90abd218077be6d4a80e6caa45a7a9981b8f786d5ce3ca47a08ae2b843fe01ef8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chinwendu123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HARRY5.7.exe
    "C:\Users\Admin\AppData\Local\Temp\HARRY5.7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/336-7-0x0000000000090000-0x00000000000DC000-memory.dmp

    Filesize

    304KB

  • memory/336-8-0x0000000000090000-0x00000000000DC000-memory.dmp

    Filesize

    304KB