Analysis

  • max time kernel
    188s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 17:18

General

  • Target

    57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348.exe

  • Size

    667KB

  • MD5

    6c121aa807c7ffbc6259f7ac0dc83255

  • SHA1

    f1cdbe4a3c1852feddf5f5ff1ff3d4498161760b

  • SHA256

    57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348

  • SHA512

    d07a82656b997515a4fe0899c2612e6feeb40c3786138eb1a990b11a85e0cfbd89ae4357d89a05baf64d5e897ce9dce69c457b4c6b1c6a2365e19a66e9802652

  • SSDEEP

    12288:Xwc+pbKbfxpe/IbHn0svbXPEy6ggpdUx1ZRy8p7FJqfh4qw+:XjsbKje/I7dvbXP/6ggEfy8p7FJqJ4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    KKK123456@@

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348.exe
    "C:\Users\Admin\AppData\Local\Temp\57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Users\Admin\AppData\Local\Temp\57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348.exe
      "C:\Users\Admin\AppData\Local\Temp\57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348.exe"
      2⤵
        PID:3244
      • C:\Users\Admin\AppData\Local\Temp\57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348.exe
        "C:\Users\Admin\AppData\Local\Temp\57bdaf6ec2126f43b1ab5e57fd8456f328f502e3f8deca3c41ebfb8f2e7c3348.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4784

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/220-132-0x0000000000E90000-0x0000000000F3E000-memory.dmp

      Filesize

      696KB

    • memory/220-133-0x0000000005D90000-0x0000000006334000-memory.dmp

      Filesize

      5.6MB

    • memory/220-134-0x00000000057E0000-0x0000000005872000-memory.dmp

      Filesize

      584KB

    • memory/220-135-0x0000000005790000-0x000000000579A000-memory.dmp

      Filesize

      40KB

    • memory/220-136-0x00000000090B0000-0x000000000914C000-memory.dmp

      Filesize

      624KB

    • memory/4784-139-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/4784-140-0x0000000005B00000-0x0000000005B66000-memory.dmp

      Filesize

      408KB