Analysis

  • max time kernel
    131s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/07/2024, 14:03

General

  • Target
    444fb4871f9ee687f90ecf33223c91bbf263a7d66f1c665d653ce71559c557bf.exe
  • Size 613KB
  • Sample240701-rcpanavhmd
  • SHA256 444fb4871f9ee687f90ecf33223c91bbf263a7d66f1c665d653ce71559c557bf
  • MD5 SHA1 SHA512 SSDEEP

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\444fb4871f9ee687f90ecf33223c91bbf263a7d66f1c665d653ce71559c557bf.exe
    "C:\Users\Admin\AppData\Local\Temp\444fb4871f9ee687f90ecf33223c91bbf263a7d66f1c665d653ce71559c557bf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4776
    • 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\444fb4871f9ee687f90ecf33223c91bbf263a7d66f1c665d653ce71559c557bf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1460
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yCacwKBpehpIA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4492
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yCacwKBpehpIA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9829.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4632
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4064

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 2155959e89d3532a8a6293a23a37baf12b4ece46b119536b9c0c909eefd892d5
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_an2pwyui.jgr.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_an2pwyui.jgr.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp9829.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp9829.tmp
        • Size 1KB
        • SHA256 c7bf7ad6d4857d7812051f1caa08a33b427c9f49c81410792f184a186ebbd165
        • MD5 SHA1 SHA512

        memory/1460-52-0x00000000067D0000-0x00000000067EE000-memory.dmp

        memory/1460-94-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/1460-79-0x0000000007B10000-0x0000000007B2A000-memory.dmp

        memory/1460-68-0x000000006FB00000-0x000000006FB4C000-memory.dmp

        memory/1460-22-0x0000000006170000-0x00000000061D6000-memory.dmp

        memory/1460-50-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/1460-21-0x0000000006100000-0x0000000006166000-memory.dmp

        memory/1460-87-0x0000000007E30000-0x0000000007E38000-memory.dmp

        memory/1460-16-0x0000000002EC0000-0x0000000002EF6000-memory.dmp

        memory/1460-31-0x00000000061E0000-0x0000000006534000-memory.dmp

        memory/1460-19-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/1460-18-0x0000000005A30000-0x0000000006058000-memory.dmp

        memory/1460-20-0x0000000006060000-0x0000000006082000-memory.dmp

        memory/1460-23-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/4064-82-0x00000000062E0000-0x0000000006330000-memory.dmp

        memory/4064-46-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/4492-67-0x0000000006A20000-0x0000000006AC3000-memory.dmp

        memory/4492-84-0x0000000006FA0000-0x0000000006FAE000-memory.dmp

        memory/4492-93-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/4492-86-0x00000000070B0000-0x00000000070CA000-memory.dmp

        memory/4492-44-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/4492-85-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

        memory/4492-47-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/4492-78-0x0000000007470000-0x0000000007AEA000-memory.dmp

        memory/4492-25-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/4492-83-0x0000000006F70000-0x0000000006F81000-memory.dmp

        memory/4492-81-0x0000000006FF0000-0x0000000007086000-memory.dmp

        memory/4492-53-0x0000000005E20000-0x0000000005E6C000-memory.dmp

        memory/4492-55-0x0000000006000000-0x0000000006032000-memory.dmp

        memory/4492-66-0x00000000069F0000-0x0000000006A0E000-memory.dmp

        memory/4492-56-0x000000006FB00000-0x000000006FB4C000-memory.dmp

        memory/4492-80-0x0000000006BD0000-0x0000000006BDA000-memory.dmp

        memory/4776-9-0x00000000059F0000-0x0000000005A00000-memory.dmp

        memory/4776-7-0x0000000005B00000-0x0000000005B9C000-memory.dmp

        memory/4776-6-0x0000000006780000-0x0000000006CAC000-memory.dmp

        memory/4776-0-0x0000000074B6E000-0x0000000074B6F000-memory.dmp

        memory/4776-51-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/4776-5-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/4776-8-0x0000000005920000-0x00000000059B8000-memory.dmp

        memory/4776-48-0x0000000074B60000-0x0000000075310000-memory.dmp

        memory/4776-10-0x0000000006300000-0x000000000630C000-memory.dmp

        memory/4776-11-0x00000000064E0000-0x0000000006562000-memory.dmp

        memory/4776-4-0x0000000005770000-0x000000000577A000-memory.dmp

        memory/4776-3-0x0000000005790000-0x0000000005822000-memory.dmp

        memory/4776-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

        memory/4776-1-0x0000000000CE0000-0x0000000000D7C000-memory.dmp

        memory/4776-17-0x0000000074B6E000-0x0000000074B6F000-memory.dmp