Overview

overview

10

Static

static

9

TMC_Order_...11.scr

windows7_x64

10

TMC_Order_...11.scr

windows10-2004_x64

10

Analysis

  • max time kernel
    93s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:54

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General

  • Target

    TMC_Order_20202105111.scr

  • Size

    507KB

  • MD5

    733bafcc5af18f96bd38716ea592de02

  • SHA1

    92f62c5a5db4c17d8a620000dee9a9c0cba60190

  • SHA256

    28e866bbc24143fb67aad695bff3968f6f277606b7804bc07b78167d7c6466d1

  • SHA512

    9c9adc1e8d5c0c7313e2fbbb694cbef3e44182bc99d19b52a4deab90c172f864b3f850f313f5b5a4b34642992bdd958bc7a3c66730985ab3613d67e8e0697656

Score
10/10
agentteslacollectionevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

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

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\TMC_Order_20202105111.scr
    "C:\Users\Admin\AppData\Local\Temp\TMC_Order_20202105111.scr" /S
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fUbzoEuf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp206D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1988
    • C:\Users\Admin\AppData\Local\Temp\TMC_Order_20202105111.scr
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:984
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:896

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp206D.tmp
      Filesize

      1KB

      MD5

      4b321410aaea70af2bfa7c7ebbbe57e5

      SHA1

      09c81531aa0c8ba728eb23518cfe903af07da37d

      SHA256

      3675ea480cefec1daac9bfcb885614f7b5ba9fdd64c4cffd34a7deef686e51c8

      SHA512

      bbe15b9dba6be9f8063c2816cddc04c7dc2482233451b26a527d9d0260c6e27cc702abf95c012f03ae5052ffce3204beb5f0e6c63695126de33079a7db0fc0dd

      Download Submit

    • memory/896-71-0x0000000000000000-mapping.dmp

      Download

    • memory/984-61-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

      Download

    • memory/984-58-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

      Download

    • memory/984-59-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

      Download

    • memory/984-62-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

      Download

    • memory/984-63-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

      Download

    • memory/984-64-0x000000000044CA0E-mapping.dmp

      Download

    • memory/984-66-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

      Download

    • memory/984-68-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

      Download

    • memory/984-70-0x0000000074B50000-0x00000000750FB000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/1964-54-0x0000000075401000-0x0000000075403000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1964-55-0x0000000074B50000-0x00000000750FB000-memory.dmp

      Filesize

      5.7MB

      Download

    • memory/1988-56-0x0000000000000000-mapping.dmp

      Download