Analysis

  • max time kernel
    61s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10/11/2020, 11:21

General

  • Target
    7803ab989c8b8ec421d1fcac8a7f2f4f568a6700674866b43596f9a77e31c141.exe
  • Size 846KB
  • Sample201110-9nbfb91e8j
  • SHA256 7803ab989c8b8ec421d1fcac8a7f2f4f568a6700674866b43596f9a77e31c141
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.airlndia.in

  • Port

    587

  • Password

    pkqNqbW9

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7803ab989c8b8ec421d1fcac8a7f2f4f568a6700674866b43596f9a77e31c141.exe
    "C:\Users\Admin\AppData\Local\Temp\7803ab989c8b8ec421d1fcac8a7f2f4f568a6700674866b43596f9a77e31c141.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Users\Admin\AppData\Local\Temp\7803ab989c8b8ec421d1fcac8a7f2f4f568a6700674866b43596f9a77e31c141.exe
      "C:\Users\Admin\AppData\Local\Temp\7803ab989c8b8ec421d1fcac8a7f2f4f568a6700674866b43596f9a77e31c141.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2012

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1668-0-0x0000000000400000-0x00000000004D9000-memory.dmp

        memory/2012-1-0x0000000000400000-0x00000000004D9000-memory.dmp

        memory/2012-3-0x0000000000400000-0x00000000004D9000-memory.dmp

        memory/2012-4-0x0000000000400000-0x00000000004D9000-memory.dmp

        memory/2012-5-0x0000000000390000-0x00000000003F6000-memory.dmp

        memory/2012-6-0x00000000005C2000-0x00000000005C3000-memory.dmp

        memory/2012-7-0x0000000000220000-0x0000000000280000-memory.dmp

        memory/2012-9-0x0000000074640000-0x0000000074D2E000-memory.dmp