Analysis

  • max time kernel
    136s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:26

General

  • Target

    4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de.exe

  • Size

    685KB

  • MD5

    50b9be167826255d7cbcd579859dfa36

  • SHA1

    6f8eb9f0ac0927c9817d86c9971cf0f6b594fe7e

  • SHA256

    4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de

  • SHA512

    eb7a03894af93e69a1fb4a270c20d7f066107b62d8e65485c60f1439c704c4157a3fc09539eca3c67b05e2b49f36c0a58dc0070b8bce4b986ca0a590e71a5691

  • SSDEEP

    12288:HpEx504bF0+s18j7gLY+yttn8PVfWPVIwLDVPprQ4+C3/s:JEw4b2dz+6VO1Vpk4J3/

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aYl@txL3

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de.exe
    "C:\Users\Admin\AppData\Local\Temp\4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3016
    • 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\4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4852
    • C:\Users\Admin\AppData\Local\Temp\4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de.exe
      "C:\Users\Admin\AppData\Local\Temp\4776c583afca82ddd0fb0414a3a2386acecb5b4c7be3e562850c7723b018d2de.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vugmzxoz.wv1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/512-35-0x0000000005E20000-0x0000000005E70000-memory.dmp

    Filesize

    320KB

  • memory/512-61-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/512-15-0x0000000005030000-0x0000000005096000-memory.dmp

    Filesize

    408KB

  • memory/512-14-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/512-12-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/512-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3016-8-0x0000000007810000-0x0000000007892000-memory.dmp

    Filesize

    520KB

  • memory/3016-7-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

    Filesize

    64KB

  • memory/3016-9-0x0000000009F70000-0x000000000A00C000-memory.dmp

    Filesize

    624KB

  • memory/3016-6-0x00000000077F0000-0x000000000780A000-memory.dmp

    Filesize

    104KB

  • memory/3016-5-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3016-13-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/3016-4-0x0000000004BE0000-0x0000000004BEA000-memory.dmp

    Filesize

    40KB

  • memory/3016-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

    Filesize

    584KB

  • memory/3016-2-0x00000000051D0000-0x0000000005774000-memory.dmp

    Filesize

    5.6MB

  • memory/3016-1-0x0000000000130000-0x00000000001E2000-memory.dmp

    Filesize

    712KB

  • memory/3016-0-0x000000007503E000-0x000000007503F000-memory.dmp

    Filesize

    4KB

  • memory/4852-21-0x0000000005FE0000-0x0000000006046000-memory.dmp

    Filesize

    408KB

  • memory/4852-47-0x0000000006D90000-0x0000000006DAE000-memory.dmp

    Filesize

    120KB

  • memory/4852-18-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4852-20-0x0000000005F40000-0x0000000005F62000-memory.dmp

    Filesize

    136KB

  • memory/4852-27-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4852-28-0x00000000061F0000-0x0000000006544000-memory.dmp

    Filesize

    3.3MB

  • memory/4852-33-0x00000000067E0000-0x00000000067FE000-memory.dmp

    Filesize

    120KB

  • memory/4852-34-0x0000000006870000-0x00000000068BC000-memory.dmp

    Filesize

    304KB

  • memory/4852-17-0x00000000058C0000-0x0000000005EE8000-memory.dmp

    Filesize

    6.2MB

  • memory/4852-36-0x0000000006DB0000-0x0000000006DE2000-memory.dmp

    Filesize

    200KB

  • memory/4852-37-0x0000000070B40000-0x0000000070B8C000-memory.dmp

    Filesize

    304KB

  • memory/4852-19-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4852-48-0x00000000079D0000-0x0000000007A73000-memory.dmp

    Filesize

    652KB

  • memory/4852-49-0x0000000008150000-0x00000000087CA000-memory.dmp

    Filesize

    6.5MB

  • memory/4852-50-0x0000000007B00000-0x0000000007B1A000-memory.dmp

    Filesize

    104KB

  • memory/4852-51-0x0000000007B70000-0x0000000007B7A000-memory.dmp

    Filesize

    40KB

  • memory/4852-52-0x0000000007D80000-0x0000000007E16000-memory.dmp

    Filesize

    600KB

  • memory/4852-53-0x0000000007D00000-0x0000000007D11000-memory.dmp

    Filesize

    68KB

  • memory/4852-54-0x0000000007D30000-0x0000000007D3E000-memory.dmp

    Filesize

    56KB

  • memory/4852-55-0x0000000007D40000-0x0000000007D54000-memory.dmp

    Filesize

    80KB

  • memory/4852-56-0x0000000007E40000-0x0000000007E5A000-memory.dmp

    Filesize

    104KB

  • memory/4852-57-0x0000000007E20000-0x0000000007E28000-memory.dmp

    Filesize

    32KB

  • memory/4852-60-0x0000000075030000-0x00000000757E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4852-16-0x0000000005200000-0x0000000005236000-memory.dmp

    Filesize

    216KB