Analysis

  • max time kernel
    136s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/09/2024, 01:52

General

  • Target

    5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe

  • Size

    649KB

  • MD5

    a04e6ee334556cebd31e9ae152ddbed1

  • SHA1

    68dbddadad1c6c40b8f824ee44726fea87118fcc

  • SHA256

    5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424

  • SHA512

    6734f4d8e7e124b5080b6aa00edd980021ad76ade679e4a9b55c30f86a0e5e916947dcb80ab1d4ec41f31b9a9a4f45cca5c52002ba1a440767a000dffdc2142e

  • SSDEEP

    12288:BSHUDLjHP7ZRvNRwNKIJHp3SaFq4YdoAu3YlRsrKbypq60Ok8c11igY69i72l:JjHP7vMzpiP4YdoOVbypq9OncTW6kE

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Password: )NYyffR0

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe
    "C:\Users\Admin\AppData\Local\Temp\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5080
    • 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\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4920
    • C:\Users\Admin\AppData\Local\Temp\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe
      "C:\Users\Admin\AppData\Local\Temp\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2948

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5c875f9d28eae5afce4aac472b0825edef8cac3119d2991d3dd08a1fd32bd424.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eq54nt50.h4b.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/2948-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2948-65-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/2948-64-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/2948-58-0x0000000006CD0000-0x0000000006D20000-memory.dmp

          Filesize

          320KB

        • memory/2948-22-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/2948-18-0x0000000005680000-0x00000000056E6000-memory.dmp

          Filesize

          408KB

        • memory/2948-14-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/4920-23-0x0000000005730000-0x0000000005752000-memory.dmp

          Filesize

          136KB

        • memory/4920-35-0x00000000064F0000-0x000000000650E000-memory.dmp

          Filesize

          120KB

        • memory/4920-63-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/4920-60-0x0000000007B50000-0x0000000007B58000-memory.dmp

          Filesize

          32KB

        • memory/4920-59-0x0000000007B70000-0x0000000007B8A000-memory.dmp

          Filesize

          104KB

        • memory/4920-57-0x0000000007A70000-0x0000000007A84000-memory.dmp

          Filesize

          80KB

        • memory/4920-16-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/4920-17-0x0000000002BD0000-0x0000000002C06000-memory.dmp

          Filesize

          216KB

        • memory/4920-56-0x0000000007A60000-0x0000000007A6E000-memory.dmp

          Filesize

          56KB

        • memory/4920-19-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/4920-20-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/4920-55-0x0000000007A30000-0x0000000007A41000-memory.dmp

          Filesize

          68KB

        • memory/4920-21-0x00000000057B0000-0x0000000005DD8000-memory.dmp

          Filesize

          6.2MB

        • memory/4920-54-0x0000000007AB0000-0x0000000007B46000-memory.dmp

          Filesize

          600KB

        • memory/4920-24-0x0000000005E50000-0x0000000005EB6000-memory.dmp

          Filesize

          408KB

        • memory/4920-53-0x00000000078A0000-0x00000000078AA000-memory.dmp

          Filesize

          40KB

        • memory/4920-30-0x0000000005F30000-0x0000000006284000-memory.dmp

          Filesize

          3.3MB

        • memory/4920-51-0x0000000007830000-0x000000000784A000-memory.dmp

          Filesize

          104KB

        • memory/4920-36-0x0000000006580000-0x00000000065CC000-memory.dmp

          Filesize

          304KB

        • memory/4920-37-0x0000000006AD0000-0x0000000006B02000-memory.dmp

          Filesize

          200KB

        • memory/4920-38-0x0000000070690000-0x00000000706DC000-memory.dmp

          Filesize

          304KB

        • memory/4920-48-0x00000000076C0000-0x00000000076DE000-memory.dmp

          Filesize

          120KB

        • memory/4920-49-0x00000000076E0000-0x0000000007783000-memory.dmp

          Filesize

          652KB

        • memory/4920-50-0x0000000007E70000-0x00000000084EA000-memory.dmp

          Filesize

          6.5MB

        • memory/5080-10-0x0000000009D20000-0x0000000009DBC000-memory.dmp

          Filesize

          624KB

        • memory/5080-4-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/5080-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

          Filesize

          4KB

        • memory/5080-5-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

          Filesize

          40KB

        • memory/5080-6-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

          Filesize

          64KB

        • memory/5080-15-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/5080-7-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

          Filesize

          4KB

        • memory/5080-3-0x0000000004CC0000-0x0000000004D52000-memory.dmp

          Filesize

          584KB

        • memory/5080-8-0x0000000074A10000-0x00000000751C0000-memory.dmp

          Filesize

          7.7MB

        • memory/5080-9-0x0000000007670000-0x00000000076F2000-memory.dmp

          Filesize

          520KB

        • memory/5080-2-0x00000000051D0000-0x0000000005774000-memory.dmp

          Filesize

          5.6MB

        • memory/5080-1-0x0000000000200000-0x00000000002A8000-memory.dmp

          Filesize

          672KB