Overview

overview

10

Static

static

PO# 3323__...ls.exe

windows7_x64

10

PO# 3323__...ls.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    126s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:36

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General

  • Target

    PO# 3323__20201506.xls.exe

  • Size

    461KB

  • MD5

    2928d38ac0a28d2d9e8164a885823c40

  • SHA1

    166795207d1f948ea35d9f7927ca8fe0cc8935d0

  • SHA256

    4e1d9e3cb83b44c13a9870d21f59b4eb335167d952a6914583a8a0259d6c16c0

  • SHA512

    3204ae4bb8213b9434c89b2ddde19c7777597c615fa62d4259f61dbea48795d31a870bcde2a8c19d0da4747b65b886b91fc1849a2ad4a0fcb6956da7a11ac45c

Score
10/10
agentteslacollectionkeyloggerrezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    335410

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

    rezer0
  • Drops file in Drivers directory 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO# 3323__20201506.xls.exe
    "C:\Users\Admin\AppData\Local\Temp\PO# 3323__20201506.xls.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\AppData\Local\Temp\PO# 3323__20201506.xls.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1280
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1760

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1280-61-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1280-57-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1280-58-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1280-60-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1280-62-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1280-63-0x000000000044C82E-mapping.dmp
      Download
    • memory/1280-65-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1280-67-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1280-68-0x00000000763C1000-0x00000000763C3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1672-55-0x0000000000280000-0x0000000000292000-memory.dmp
      Filesize

      72KB

      Download
    • memory/1672-56-0x0000000004F60000-0x0000000004FB8000-memory.dmp
      Filesize

      352KB

      Download
    • memory/1672-54-0x0000000001030000-0x00000000010AA000-memory.dmp
      Filesize

      488KB

      Download
    • memory/1760-69-0x0000000000000000-mapping.dmp
      Download