Overview

overview

10

Static

static

3

f1c83f4377...63.exe

windows7-x64

10

f1c83f4377...63.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2024, 01:03

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General

  • Target

    f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe

  • Size

    888KB

  • MD5

    dfe7fa7881d643dc97eaa8f0e7478f28

  • SHA1

    b3e7065ed4191388f231db06b4b115ca7b64cd2f

  • SHA256

    f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763

  • SHA512

    425ed492945053bfae55675da577aa3a4038ea337948c3f41a78b9c52602b6d5f48c28f1a18fdcc1f71638906461bc446736e4e606756f85bcc16d22b7a4182f

  • SSDEEP

    12288:Y7zhNdyvUIZbV/O1bJGOD0CInmWC4H9bz97tk5J6f0uZzn9zF:Y7MvDB/l00CInCwvBO6NZz9z

Score
10/10
agentteslacollectioncredential_accessdiscoveryevasionexecutionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.vistakencana.com.my
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    m33R3bus!

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Agenttesla family
    agenttesla
  • AgentTesla payload 5 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

    spywarestealer
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

    credential_accessstealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe
    "C:\Users\Admin\AppData\Local\Temp\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sELElpWT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2128
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sELElpWT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE87B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2592
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sELElpWT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • C:\Users\Admin\AppData\Local\Temp\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe
      "C:\Users\Admin\AppData\Local\Temp\f1c83f4377767314f48fde9e93891d278b2631a0c489148047c4c0822a9fb763.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1904

Network

        MITRE ATT&CK Enterprise v15

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        PowerShell

        1
        T1059.001

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Defense Evasion

        Modify Registry

        1
        T1112

        Virtualization/Sandbox Evasion

        2
        T1497

        Credential Access

        Credentials from Password Stores

        1
        T1555

        Credentials from Web Browsers

        1
        T1555.003

        Unsecured Credentials

        5
        T1552

        Credentials In Files

        4
        T1552.001

        Credentials in Registry

        1
        T1552.002

        Discovery

        Peripheral Device Discovery

        1
        T1120

        Query Registry

        4
        T1012

        System Information Discovery

        3
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Virtualization/Sandbox Evasion

        2
        T1497

        Lateral Movement

        Collection

        Data from Local System

        4
        T1005

        Email Collection

        1
        T1114

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpE87B.tmp
          Filesize

          1KB

          MD5

          360c5a3a16d8c926813248db862afd7e

          SHA1

          d3559d0b1c75e5c5baf59e29be16fc4ab4b748c1

          SHA256

          7a10485a25b59adc758ee7d9e7b3412da75d57961dad8af6e71c1fee184f262c

          SHA512

          f90774f3f38bbb134c9a99e96a9c1a84bf730c4670ad4d200afa81aeab9628a95ccfa45b8a027a5b877125d3bf987013372fb8c89a78ad8ccc0b1d94bf69f995

          Download Submit

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
          Filesize

          7KB

          MD5

          c107db7d4025401c85fdc018aba7ff4b

          SHA1

          be562347c148a9d799d00c45c253d804bbcb69f7

          SHA256

          3b88dad23e17738369bbddaee9fdade5c91c2e820b3a6e2d1882eaebf445019f

          SHA512

          525291de505c71273420430349da8437447c04403357d6fb03fea2d42559968dad1223bda27d8a1ee54dcd70097ac3d21fdfad130bac9979aab45a03390fbd48

          Download Submit

        • memory/1904-30-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

          Download

        • memory/1904-26-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

          Download

        • memory/1904-22-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

          Download

        • memory/1904-24-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

          Download

        • memory/1904-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

          Download

        • memory/1904-29-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

          Download

        • memory/1904-31-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

          Download

        • memory/1904-20-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

          Download

        • memory/2264-1-0x0000000000FA0000-0x0000000001082000-memory.dmp

          Filesize

          904KB

          Download

        • memory/2264-2-0x0000000074900000-0x0000000074FEE000-memory.dmp

          Filesize

          6.9MB

          Download

        • memory/2264-0-0x000000007490E000-0x000000007490F000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2264-7-0x0000000004DB0000-0x0000000004DEE000-memory.dmp

          Filesize

          248KB

          Download

        • memory/2264-6-0x0000000004FC0000-0x000000000503A000-memory.dmp

          Filesize

          488KB

          Download

        • memory/2264-3-0x00000000005C0000-0x00000000005E2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/2264-5-0x0000000074900000-0x0000000074FEE000-memory.dmp

          Filesize

          6.9MB

          Download

        • memory/2264-4-0x000000007490E000-0x000000007490F000-memory.dmp

          Filesize

          4KB

          Download

        • memory/2264-32-0x0000000074900000-0x0000000074FEE000-memory.dmp

          Filesize

          6.9MB

          Download