Overview

overview

10

Static

static

396f3200a6...9e.exe

windows7_x64

10

396f3200a6...9e.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    143s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:22

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General

  • Target

    396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe

  • Size

    431KB

  • MD5

    c4996221c4549bc88d77fd2f265e6a13

  • SHA1

    8516f1e99b52e4f22f3c4ccd75d7858c669375d5

  • SHA256

    396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e

  • SHA512

    953f70203797dc35b9bc1e479baf25d417674dfc6c36fc6325caf7f54bfcbb81633b15849efe4c3ee4277b3d1873abf4325bf3c38fb159ee4b036c976726dafe

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    z123456789ok

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.

  • 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 5 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\396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe
    "C:\Users\Admin\AppData\Local\Temp\396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.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:2672
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\duGVhQpbZudexT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD14.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4388
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "{path}"
      2⤵
        PID:4444
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4608

    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

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpCD14.tmp
      Filesize

      1KB

      MD5

      293cb5a9a7b531bf876748373eb4e2d5

      SHA1

      9129f350dd4eed14271d791504363505bdd6833e

      SHA256

      53a5b3ad82c1967104640cc0e43e577cedc03999a944ab1fe62da26241826395

      SHA512

      ac9309a2ed5cf94da84962b9f111347379d2f94e8d3cb8c9098ad0b5b66db2e88bea9cbe8727750a943d156ab11f8917bd7f72baec9193c68aebe584685029df

      Download Submit
    • memory/2672-130-0x0000000074A70000-0x0000000075021000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4388-131-0x0000000000000000-mapping.dmp
      Download
    • memory/4444-133-0x0000000000000000-mapping.dmp
      Download
    • memory/4608-134-0x0000000000000000-mapping.dmp
      Download
    • memory/4608-135-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/4608-136-0x0000000074A70000-0x0000000075021000-memory.dmp
      Filesize

      5.7MB

      Download