Overview

overview

10

Static

static

Arrival No...02.exe

windows7_x64

10

Arrival No...02.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    90s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:24

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General

  • Target

    Arrival Notice_XSS26005202.exe

  • Size

    524KB

  • MD5

    7dfc949e90244c874d44feef2576414e

  • SHA1

    c128697a45d29c99cc39f6e1a9f38843bb04c068

  • SHA256

    005a34d7e5981b1be3d985197bb47ee2a68245775db4f25a7afb9f9f3748004d

  • SHA512

    d5b82c85f1ff4b35f99bce6b0feb1b1deaeaabdb7accf4678310c59e7c73aefd022a1b9b8f0d9065b6204902f9fc9f7ae57223e9a6ba6790deb5e4f57f725029

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.karmachalets.co.in
  • Port:
    587
  • Username:
    akshya@karmachalets.co.in
  • Password:
    Akshya@123

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.karmachalets.co.in
  • Port:
    587
  • Username:
    akshya@karmachalets.co.in
  • Password:
    Akshya@123

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Arrival Notice_XSS26005202.exe
    "C:\Users\Admin\AppData\Local\Temp\Arrival Notice_XSS26005202.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4876
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CSjNAXjD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9918.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3944
    • C:\Users\Admin\AppData\Local\Temp\Arrival Notice_XSS26005202.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:1708
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:3484

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9918.tmp
      Filesize

      1KB

      MD5

      11326e1f49c8309c7983bde340efeebf

      SHA1

      76ca14b47a04f616418a03571690b66943ec7214

      SHA256

      d49d82acf0270092f9b310a7d4d83a938e84a1c4fa8e3e3c8b4c65dd1be7df2d

      SHA512

      9bc4658c5c8874de2eacd85a63794794b8f849d3e8c4b7113d9c5cbb7d7143702ed7f563f43d676c785235830358336df6a810a787460b05a5d9c07bb49190a6

      Download Submit
    • memory/1708-138-0x0000000000000000-mapping.dmp
      Download
    • memory/1708-139-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1708-141-0x0000000006870000-0x00000000068C0000-memory.dmp
      Filesize

      320KB

      Download
    • memory/3484-140-0x0000000000000000-mapping.dmp
      Download
    • memory/3944-136-0x0000000000000000-mapping.dmp
      Download
    • memory/4876-130-0x0000000000D30000-0x0000000000DBA000-memory.dmp
      Filesize

      552KB

      Download
    • memory/4876-131-0x00000000080E0000-0x0000000008684000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/4876-132-0x0000000007C30000-0x0000000007CC2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/4876-133-0x0000000007DD0000-0x0000000007DDA000-memory.dmp
      Filesize

      40KB

      Download
    • memory/4876-134-0x000000000B730000-0x000000000B7CC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/4876-135-0x000000000B940000-0x000000000B9A6000-memory.dmp
      Filesize

      408KB

      Download