Overview

overview

10

Static

static

Arrival551...df.exe

windows7_x64

10

Arrival551...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    131s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:30

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General

  • Target

    Arrival551132_XGG1635006pdf.exe

  • Size

    722KB

  • MD5

    0f9420abd956257bc58cd6dda5097b66

  • SHA1

    488a0500f179f9dc3d4a6f81a03e4c1355fc036e

  • SHA256

    9003935bc497446d14818f11d156c3cd52a891c394ed13d544e30c6dafff1e2a

  • SHA512

    7f912af19c1da438e13188c9710519d5814798531b857086d71edae9451dc5760cc3e71fc4d06b9c3811894f8ca21d8fba917e6a800cdf31214613b73fa9c972

Score
10/10
agentteslacollectioncoreentityevasionkeyloggerrezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.karmachalets.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Akshya@123

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
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • ReZer0 packer 1 IoCs

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

    rezer0
  • 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
  • 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Arrival551132_XGG1635006pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Arrival551132_XGG1635006pdf.exe"
    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:912
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iIVegojK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6308.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2020
    • C:\Users\Admin\AppData\Local\Temp\Arrival551132_XGG1635006pdf.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:748
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1992

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp6308.tmp
      Filesize

      1KB

      MD5

      d961c9a36bad4a9336432c4ac04a2916

      SHA1

      e2ba8fe38ad0c102699e7c85411322cf7e466483

      SHA256

      957358e3943f229348291e525b4d77fc0faeea5f48ed45e20ae737dddeb941a3

      SHA512

      971dff379d911a7aca699abda5f06dd551720d841352865cde828bc95275df962b8b5871caa21c8ca568e40a16cd9a61c16374f86e88928c6817133e846787a3

      Download Submit
    • memory/748-64-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/748-68-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/748-70-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/748-66-0x000000000044C8DE-mapping.dmp
      Download
    • memory/748-65-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/748-60-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/748-61-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/748-63-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/912-54-0x00000000013E0000-0x000000000149A000-memory.dmp
      Filesize

      744KB

      Download
    • memory/912-55-0x0000000075E31000-0x0000000075E33000-memory.dmp
      Filesize

      8KB

      Download
    • memory/912-56-0x00000000004C0000-0x00000000004C8000-memory.dmp
      Filesize

      32KB

      Download
    • memory/912-57-0x0000000001380000-0x00000000013D8000-memory.dmp
      Filesize

      352KB

      Download
    • memory/1992-72-0x0000000000000000-mapping.dmp
      Download
    • memory/2020-58-0x0000000000000000-mapping.dmp
      Download