Analysis

  • max time kernel
    144s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    10/08/2020, 11:51

General

  • Target
    Image001.exe
  • Size 1.7MB
  • Sample200810-9aaergsvcx
  • SHA256 3b14e1d76426cce9efbb31dc83050a145a304e91c1089a2f51f2fda8c9bb0c7d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.privateemail.com

  • Port

    587

  • Password

    @damienzy.xyz2240

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Executes dropped EXE 1 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 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Image001.exe
    "C:\Users\Admin\AppData\Local\Temp\Image001.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:424
    • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
      "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4004

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/424-5-0x0000000006160000-0x0000000006161000-memory.dmp

        memory/424-3-0x0000000001750000-0x000000000175F000-memory.dmp

        memory/424-0-0x0000000073530000-0x0000000073C1E000-memory.dmp

        memory/424-6-0x0000000005A10000-0x0000000005A13000-memory.dmp

        memory/424-4-0x0000000006580000-0x0000000006581000-memory.dmp

        memory/424-1-0x0000000000E10000-0x0000000000E11000-memory.dmp

        memory/4004-7-0x0000000000400000-0x000000000044E000-memory.dmp

        memory/4004-11-0x0000000073470000-0x0000000073B5E000-memory.dmp

        memory/4004-15-0x00000000052B0000-0x00000000052B1000-memory.dmp

        memory/4004-16-0x00000000053B0000-0x00000000053B1000-memory.dmp

        memory/4004-17-0x0000000005EA0000-0x0000000005EA1000-memory.dmp

        memory/4004-18-0x0000000006540000-0x0000000006541000-memory.dmp

        memory/4004-20-0x0000000006590000-0x0000000006591000-memory.dmp