Overview

overview

10

Static

static

DIAGRAM.exe

windows7_x64

9

DIAGRAM.exe

windows10-2004_x64

9

INV45367.exe

windows7_x64

10

INV45367.exe

windows10-2004_x64

10

PICS.exe

windows7_x64

10

PICS.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:22

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General

  • Target

    INV45367.exe

  • Size

    441KB

  • MD5

    8dfeeb5848cde9dfd0aa8c504eefeda0

  • SHA1

    8db0db50f886d43665351dba54fca2652d1db18e

  • SHA256

    07314d5b91857ca3814c9388a01179c00d6fd8aeb8ff93a73327cffce42c8650

  • SHA512

    d4d0b26035da900546be561b4abde39346309a7069ce58ea0faeb4c9dcdd32aea15880333d937337b62b55510924acc239b98bd119d3cbb087095a2e0222acce

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INV45367.exe
    "C:\Users\Admin\AppData\Local\Temp\INV45367.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:3960
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EWrpmGqzAkDE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3BAC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2016
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
        PID:3308
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:4068

    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

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp3BAC.tmp
      Filesize

      1KB

      MD5

      293ef0521ed83675c30c51f50a8afb52

      SHA1

      be2609c4f1a5546d4bc9e84572e6ce3c4e8a202e

      SHA256

      e14ea1bbbb01a40507b5ed841cbd0b562ab50ff2522accf7a13ac41579b0b952

      SHA512

      ab7d63ea0dc65c25cb310e32446baca108481340520b45935aa45558021417f6e01bf7eee4986883fe923f6cb5023fcb849c84966e5d01b4d820527491d39203

      Download Submit
    • memory/2016-136-0x0000000000000000-mapping.dmp
      Download
    • memory/3308-138-0x0000000000000000-mapping.dmp
      Download
    • memory/3960-130-0x0000000000090000-0x0000000000104000-memory.dmp
      Filesize

      464KB

      Download
    • memory/3960-131-0x00000000050C0000-0x0000000005664000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/3960-132-0x0000000004B10000-0x0000000004BA2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/3960-133-0x0000000004AD0000-0x0000000004ADA000-memory.dmp
      Filesize

      40KB

      Download
    • memory/3960-134-0x00000000083B0000-0x000000000844C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/3960-135-0x00000000008A0000-0x0000000000906000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4068-139-0x0000000000000000-mapping.dmp
      Download
    • memory/4068-140-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/4068-141-0x00000000064C0000-0x0000000006510000-memory.dmp
      Filesize

      320KB

      Download