Overview

overview

10

Static

static

RFQ cópia...21.exe

windows7_x64

10

RFQ cópia...21.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    107s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:58

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General

  • Target

    RFQ cópia de____PDF__5721.exe

  • Size

    504KB

  • MD5

    2cc13eb9843601601a70d384478b2fee

  • SHA1

    58fe1c18d68f2872b35c11b5b15d4516786f3813

  • SHA256

    f1d7247c8ffbddee868cba452966a10f19c0191f945759589134f1e2f67599c9

  • SHA512

    2137061ffb6d4431b06d573f3c38a5feb9bf9491a279fc41a359b4b500b08facfd245cb4868288e33fafed5fc6ed7140deb2e8ac4d900df5b45f0d603b9c611c

Score
10/10
agentteslacollectioncoreentitykeyloggerrezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ijeomam288

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • CoreEntity .NET Packer 1 IoCs

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    coreentity
  • AgentTesla Payload 6 IoCs
  • ReZer0 packer 1 IoCs

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

    rezer0
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ cópia de____PDF__5721.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ cópia de____PDF__5721.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hUOjUQIbE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9510.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:972
    • C:\Users\Admin\AppData\Local\Temp\RFQ cópia de____PDF__5721.exe
      "{path}"
      2⤵
      • 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:1980
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1812

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9510.tmp
      Filesize

      1KB

      MD5

      1d24931ab7bdeaab053a97b5e0172faf

      SHA1

      658cd811afb0b269c273ed50a960dfa65d4360e2

      SHA256

      013bf89673d60231a0449dd45f3eb3b9a6b8419f7d616a704ed931dfc7b08605

      SHA512

      2a3672559a5ccab9abbe805cda9bfc6a8a1778e512b12e3d8d025dec4790f10efbc99184edbc331bc7157bbc428af99ea3f4867dfb2dd68a7dc12ca0d22defc4

      Download Submit
    • memory/972-58-0x0000000000000000-mapping.dmp
      Download
    • memory/1672-55-0x0000000075871000-0x0000000075873000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1672-56-0x0000000000930000-0x0000000000938000-memory.dmp
      Filesize

      32KB

      Download
    • memory/1672-57-0x0000000000B30000-0x0000000000B88000-memory.dmp
      Filesize

      352KB

      Download
    • memory/1672-54-0x00000000013E0000-0x0000000001464000-memory.dmp
      Filesize

      528KB

      Download
    • memory/1812-72-0x0000000000000000-mapping.dmp
      Download
    • memory/1980-60-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1980-63-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1980-64-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1980-65-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1980-66-0x000000000044C5DE-mapping.dmp
      Download
    • memory/1980-68-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1980-70-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1980-61-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download