Analysis

  • max time kernel
    133s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09-07-2020 14:31

General

  • Target

    Emergency Situation Surcharge Update.exe

  • Size

    577KB

  • MD5

    cf7a41ec6836313be154256346c8be42

  • SHA1

    9bb4d33384638af7363fb55051a52bf9b77701af

  • SHA256

    54e5bf28236990158619205ebf0163d410eba535de8c3297b5fcd07921d2fec1

  • SHA512

    7925578f7a133da9eac24fdb1abd381f3de71e09dc7d8cf36d550a7e87c77614e1097649c58e301ce239d8a3671cb1bf658c4dc7c884694beb6d5fb30fb83f81

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    General101

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Emergency Situation Surcharge Update.exe
    "C:\Users\Admin\AppData\Local\Temp\Emergency Situation Surcharge Update.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1148

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1148-6-0x0000000000000000-mapping.dmp
    • memory/1428-1-0x0000000000000000-0x0000000000000000-disk.dmp
    • memory/1828-2-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1828-3-0x000000000044C44E-mapping.dmp
    • memory/1828-4-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/1828-5-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB