Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 02:21

General

  • Target

    d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe

  • Size

    655KB

  • MD5

    a792373900bbd7d8be6b38f98b9a8452

  • SHA1

    d284b32cd1ba7319001853697981fc64ead0d76a

  • SHA256

    d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0

  • SHA512

    03cf1c8baf55d4a9d51f66eb0e8ec3860b1e7e423c0d8781c631605545821105b1628a4d6ff39bdc6464c266c3e80e24ffb38004f44fe211ac999ee26be9567f

  • SSDEEP

    12288:Eakyzi8LkpEaNGYBTc9xHjgJg4bc0876ctWyKa9ZSNzkik3+bwcKsPx4xQsdfXUE:fH2jEjsc910a4bhqxtWyKazXNAqmslEz

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 1 IoCs

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe
    "C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1712
    • 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\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe
      "C:\Users\Admin\AppData\Local\Temp\d6d649c1f82d780b58abb3f05031d6881370299dffa565ee60326e420f1582f0.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1712-21-0x0000000074690000-0x0000000074D7E000-memory.dmp
    Filesize

    6.9MB

  • memory/1712-1-0x0000000000EF0000-0x0000000000F9A000-memory.dmp
    Filesize

    680KB

  • memory/1712-2-0x0000000074690000-0x0000000074D7E000-memory.dmp
    Filesize

    6.9MB

  • memory/1712-3-0x00000000003B0000-0x00000000003CA000-memory.dmp
    Filesize

    104KB

  • memory/1712-4-0x0000000000350000-0x0000000000360000-memory.dmp
    Filesize

    64KB

  • memory/1712-5-0x0000000005350000-0x00000000053D2000-memory.dmp
    Filesize

    520KB

  • memory/1712-0-0x000000007469E000-0x000000007469F000-memory.dmp
    Filesize

    4KB

  • memory/2688-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2688-20-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2688-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2688-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2688-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2688-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2688-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2688-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB