Overview

overview

10

Static

static

BV10013_.exe

windows7_x64

10

BV10013_.exe

windows10-2004_x64

10

PICTURES.scr

windows7_x64

10

PICTURES.scr

windows10-2004_x64

10

REACH_ST.exe

windows7_x64

10

REACH_ST.exe

windows10-2004_x64

10

TEMPLATE.exe

windows7_x64

10

TEMPLATE.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:57

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General

  • Target

    BV10013_.exe

  • Size

    490KB

  • MD5

    75c564a6cdbdabbfebc987ca24175e8f

  • SHA1

    d20db6904b85c9e65a62aa0d14cb673f7f8d5678

  • SHA256

    a83a9e5760babc377c95ad2aa5d8b9e895f445cf4c0f8869a4ebc4be3fbaf3e9

  • SHA512

    0317342c9347dca4c5cb41151149696807830b49865bc47657616ba60a7ed5102f08e0daa849871bb9cc948db2b1a08916ee5da067ef16c3eceebe4a53bc8ad6

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    onnybekee2@gmail.com
  • 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\BV10013_.exe
    "C:\Users\Admin\AppData\Local\Temp\BV10013_.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:2952
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QfDjfEX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp194F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4196
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:1092
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1352

    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\tmp194F.tmp
      Filesize

      1KB

      MD5

      17c8b0bd59a130841fa092b1393894d1

      SHA1

      f6e6f7004e9f72c702735e670bf07631ebdce169

      SHA256

      4d9991fe8bab164e74b44a7c633feba194009aaac23b5f1a5103725a3816dc1d

      SHA512

      26d63138a2040ed3590ce0667fa2bff57e3fcbae09730a84008ba5406533289e928f190efa7ae9b6f511c87f45e18eb3415f72d6f746bb21e1bd1ab25666f0dd

      Download Submit
    • memory/1092-138-0x0000000000000000-mapping.dmp
      Download
    • memory/1352-139-0x0000000000000000-mapping.dmp
      Download
    • memory/1352-140-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/1352-141-0x00000000065E0000-0x0000000006630000-memory.dmp
      Filesize

      320KB

      Download
    • memory/2952-130-0x0000000000BD0000-0x0000000000C52000-memory.dmp
      Filesize

      520KB

      Download
    • memory/2952-131-0x0000000005D40000-0x00000000062E4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/2952-132-0x00000000056C0000-0x0000000005752000-memory.dmp
      Filesize

      584KB

      Download
    • memory/2952-133-0x0000000005790000-0x000000000579A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/2952-134-0x0000000007FB0000-0x000000000804C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/2952-135-0x00000000080C0000-0x0000000008126000-memory.dmp
      Filesize

      408KB

      Download
    • memory/4196-136-0x0000000000000000-mapping.dmp
      Download