Analysis

  • max time kernel
    134s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 01:52

General

  • Target

    662fc0c1c151c2f950fb1d443d6b4ed9e2bf9e2d5e927f70f009527cb5524c7c.exe

  • Size

    667KB

  • MD5

    2cf895235f1a59a179941ba1010f803c

  • SHA1

    a5aaf0d4dbd06cca54001311e81de4e0c593d8a3

  • SHA256

    662fc0c1c151c2f950fb1d443d6b4ed9e2bf9e2d5e927f70f009527cb5524c7c

  • SHA512

    292f28aa8faf6fe89c7d5c3fecc9ffc8fe6954171bad62fdd93f2af89389f8720a69cc2ddf59b973f69688dc8000267c60d084ea5c344fb0eb6d40b43ecc0640

  • SSDEEP

    12288:QdJeACZVyJgXKN/4ldBrJHelxaWca0nP+XFDDgffJfQLFWh7uxPNE32rM:QdJDl/YdBr9yxa1a02BDgffJfmWhc1+c

Malware Config

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 2 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.

  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\662fc0c1c151c2f950fb1d443d6b4ed9e2bf9e2d5e927f70f009527cb5524c7c.exe
    "C:\Users\Admin\AppData\Local\Temp\662fc0c1c151c2f950fb1d443d6b4ed9e2bf9e2d5e927f70f009527cb5524c7c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2488
    • 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\662fc0c1c151c2f950fb1d443d6b4ed9e2bf9e2d5e927f70f009527cb5524c7c.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3248
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tAAudzIAJWZy.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tAAudzIAJWZy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp980A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3384
    • C:\Users\Admin\AppData\Local\Temp\662fc0c1c151c2f950fb1d443d6b4ed9e2bf9e2d5e927f70f009527cb5524c7c.exe
      "C:\Users\Admin\AppData\Local\Temp\662fc0c1c151c2f950fb1d443d6b4ed9e2bf9e2d5e927f70f009527cb5524c7c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wsorx43z.ota.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp980A.tmp
    Filesize

    1KB

    MD5

    b767d6a278390e596c92213dce402060

    SHA1

    7fe64558e35d19f8a87b1d94c2603fb1e72bb2d0

    SHA256

    5e7dd717d9f1a9e86fd0ad6be24ac0cf1ac518b715e063245e305fdabda6fbfc

    SHA512

    5a708593a0009b68778832d1dfbe6fb9fcf227c45d7fc86b40909659c7a2e635626eae9d5304471230a9e22a1c13d907c824aec1d789fd52cff02939dfd9cd63

  • memory/1904-86-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1904-52-0x0000000071640000-0x000000007168C000-memory.dmp
    Filesize

    304KB

  • memory/1904-23-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1904-41-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1904-51-0x00000000076C0000-0x00000000076F2000-memory.dmp
    Filesize

    200KB

  • memory/1904-20-0x0000000005590000-0x00000000055B2000-memory.dmp
    Filesize

    136KB

  • memory/1904-19-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/1904-75-0x0000000007870000-0x000000000788A000-memory.dmp
    Filesize

    104KB

  • memory/1904-82-0x0000000007B90000-0x0000000007B98000-memory.dmp
    Filesize

    32KB

  • memory/2488-5-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/2488-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp
    Filesize

    4KB

  • memory/2488-10-0x00000000090A0000-0x000000000913C000-memory.dmp
    Filesize

    624KB

  • memory/2488-9-0x0000000006A60000-0x0000000006AE2000-memory.dmp
    Filesize

    520KB

  • memory/2488-8-0x00000000055F0000-0x0000000005600000-memory.dmp
    Filesize

    64KB

  • memory/2488-7-0x0000000006A40000-0x0000000006A5A000-memory.dmp
    Filesize

    104KB

  • memory/2488-6-0x00000000069A0000-0x0000000006A40000-memory.dmp
    Filesize

    640KB

  • memory/2488-4-0x0000000005350000-0x000000000535A000-memory.dmp
    Filesize

    40KB

  • memory/2488-3-0x0000000005370000-0x0000000005402000-memory.dmp
    Filesize

    584KB

  • memory/2488-2-0x00000000059F0000-0x0000000005F94000-memory.dmp
    Filesize

    5.6MB

  • memory/2488-1-0x00000000008B0000-0x000000000095C000-memory.dmp
    Filesize

    688KB

  • memory/2488-48-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/3248-15-0x0000000002A90000-0x0000000002AC6000-memory.dmp
    Filesize

    216KB

  • memory/3248-74-0x0000000007D20000-0x000000000839A000-memory.dmp
    Filesize

    6.5MB

  • memory/3248-17-0x0000000005750000-0x0000000005D78000-memory.dmp
    Filesize

    6.2MB

  • memory/3248-21-0x0000000005690000-0x00000000056F6000-memory.dmp
    Filesize

    408KB

  • memory/3248-49-0x00000000063B0000-0x00000000063CE000-memory.dmp
    Filesize

    120KB

  • memory/3248-50-0x0000000006910000-0x000000000695C000-memory.dmp
    Filesize

    304KB

  • memory/3248-25-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/3248-73-0x00000000075E0000-0x0000000007683000-memory.dmp
    Filesize

    652KB

  • memory/3248-72-0x0000000006980000-0x000000000699E000-memory.dmp
    Filesize

    120KB

  • memory/3248-53-0x0000000071640000-0x000000007168C000-memory.dmp
    Filesize

    304KB

  • memory/3248-22-0x0000000005D80000-0x0000000005DE6000-memory.dmp
    Filesize

    408KB

  • memory/3248-26-0x0000000005DF0000-0x0000000006144000-memory.dmp
    Filesize

    3.3MB

  • memory/3248-18-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/3248-76-0x0000000007750000-0x000000000775A000-memory.dmp
    Filesize

    40KB

  • memory/3248-77-0x0000000007950000-0x00000000079E6000-memory.dmp
    Filesize

    600KB

  • memory/3248-78-0x00000000078D0000-0x00000000078E1000-memory.dmp
    Filesize

    68KB

  • memory/3248-80-0x0000000007910000-0x0000000007924000-memory.dmp
    Filesize

    80KB

  • memory/3248-81-0x0000000007A10000-0x0000000007A2A000-memory.dmp
    Filesize

    104KB

  • memory/3248-79-0x0000000007900000-0x000000000790E000-memory.dmp
    Filesize

    56KB

  • memory/3248-16-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/3248-85-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/4580-46-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/4580-87-0x0000000006D00000-0x0000000006D50000-memory.dmp
    Filesize

    320KB