Analysis

  • max time kernel
    126s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:10

General

  • Target
    MM205LTVMNORIN000837.exe
  • Size 643KB
  • Sample201109-jppcs527sj
  • SHA256 ec8b1456e2458e604e3fa2815364664889a01ff1e330c360572be069aa1cf9f0
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.pluszfm.ro

  • Port

    587

  • Password

    szberkatloKBL

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MM205LTVMNORIN000837.exe
    "C:\Users\Admin\AppData\Local\Temp\MM205LTVMNORIN000837.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
      "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:476

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/476-11-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/476-8-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/476-12-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/476-14-0x00000000748C0000-0x0000000074FAE000-memory.dmp

        memory/756-5-0x0000000000390000-0x0000000000392000-memory.dmp

        memory/756-6-0x0000000000420000-0x0000000000422000-memory.dmp

        memory/756-4-0x0000000000320000-0x0000000000322000-memory.dmp

        memory/756-0-0x00000000748C0000-0x0000000074FAE000-memory.dmp

        memory/756-3-0x0000000000200000-0x000000000020F000-memory.dmp

        memory/756-1-0x0000000000B40000-0x0000000000B41000-memory.dmp