Analysis

  • max time kernel
    147s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    15-04-2022 09:38

General

  • Target

    40e3874685cffae1f24a18f5c6c9a5a85866860cb87056ecca32f78603ee333d.exe

  • Size

    745KB

  • MD5

    90a2b052ea5d791938b4c4cb7f3ec803

  • SHA1

    e2a171e90049f33ad34491b702a7b1d5bdbe15df

  • SHA256

    40e3874685cffae1f24a18f5c6c9a5a85866860cb87056ecca32f78603ee333d

  • SHA512

    2544f5b16f452a364db3dd94b74ea87ca5b35b99a1d96bff6e9a028ff6d45268e235f647e40b1b7c0daad260f0919629c2d7758cbd984b5399969cab100670fd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    prosper12

Signatures

  • AgentTesla

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

  • Meta Stealer Stealer

    Meta Stealer steals passwords stored in browsers, written in C++.

  • AgentTesla Payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40e3874685cffae1f24a18f5c6c9a5a85866860cb87056ecca32f78603ee333d.exe
    "C:\Users\Admin\AppData\Local\Temp\40e3874685cffae1f24a18f5c6c9a5a85866860cb87056ecca32f78603ee333d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\Temp\40e3874685cffae1f24a18f5c6c9a5a85866860cb87056ecca32f78603ee333d.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1832

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\40e3874685cffae1f24a18f5c6c9a5a85866860cb87056ecca32f78603ee333d.exe.log

    Filesize

    1KB

    MD5

    6f8f3a9a57cb30e686d3355e656031e0

    SHA1

    acccd6befb1a2f40e662280bc5182e086a0d079b

    SHA256

    283586e83b25099a5698cb9caf9c594a37060d11e0f55c81bb9c6d4f728448ea

    SHA512

    8f11d645ff4f8d5b1c45b06eb52cd45319659255306d60e80e33abfd04b9e3b1164679f11a8a23bd493e4b3f6b9841d70e553a01835eeaf6035b4d05e4fd7b54

  • memory/1832-137-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1832-139-0x0000000006730000-0x0000000006796000-memory.dmp

    Filesize

    408KB

  • memory/5068-130-0x0000000000BC0000-0x0000000000C80000-memory.dmp

    Filesize

    768KB

  • memory/5068-131-0x000000000A290000-0x000000000A834000-memory.dmp

    Filesize

    5.6MB

  • memory/5068-132-0x0000000005800000-0x0000000005892000-memory.dmp

    Filesize

    584KB

  • memory/5068-133-0x00000000057E0000-0x00000000057EA000-memory.dmp

    Filesize

    40KB

  • memory/5068-134-0x0000000009110000-0x000000000963C000-memory.dmp

    Filesize

    5.2MB

  • memory/5068-135-0x0000000009000000-0x000000000909C000-memory.dmp

    Filesize

    624KB