Analysis

  • max time kernel
    41s
  • max time network
    50s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:04

General

  • Target

    ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe

  • Size

    583KB

  • MD5

    585b341e172782d1d1e6306114802b2c

  • SHA1

    d63d3f3919beac3a6988cf6fbc1bb40432afeec9

  • SHA256

    ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc

  • SHA512

    5b84870d98bf66e7171695b9dd55eedef29da4b4a40d8aff3417c7f191c73ae76cf06a2de53963d1972ee5e1003210400b824cd6e4b55fdbb270365004a1b79a

  • SSDEEP

    12288:wd5VRAsY7C5STjBlnHXsy5ZsC1yg5yMS5KDaPWtZMHTnTN0EgL3gxxF:wdfx5UjnH8ovo+LcnTiA

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • 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.

  • Windows security modification 2 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 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).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe
    "C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:972
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3060
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_icpamxyd.dhi.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/972-22-0x00007FF894C90000-0x00007FF895751000-memory.dmp

    Filesize

    10.8MB

  • memory/972-2-0x00007FF894C90000-0x00007FF895751000-memory.dmp

    Filesize

    10.8MB

  • memory/972-0-0x0000018BB9370000-0x0000018BB9406000-memory.dmp

    Filesize

    600KB

  • memory/972-1-0x00007FF894C93000-0x00007FF894C95000-memory.dmp

    Filesize

    8KB

  • memory/3060-10-0x000001B330690000-0x000001B3306B2000-memory.dmp

    Filesize

    136KB

  • memory/3060-16-0x000001B330680000-0x000001B330690000-memory.dmp

    Filesize

    64KB

  • memory/3060-21-0x00007FF894C90000-0x00007FF895751000-memory.dmp

    Filesize

    10.8MB

  • memory/3060-4-0x00007FF894C90000-0x00007FF895751000-memory.dmp

    Filesize

    10.8MB

  • memory/3844-15-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/3844-3-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3844-18-0x00000000055C0000-0x0000000005626000-memory.dmp

    Filesize

    408KB

  • memory/3844-17-0x0000000005A00000-0x0000000005FA4000-memory.dmp

    Filesize

    5.6MB

  • memory/3844-25-0x0000000006B50000-0x0000000006BA0000-memory.dmp

    Filesize

    320KB

  • memory/3844-26-0x0000000006C40000-0x0000000006CDC000-memory.dmp

    Filesize

    624KB

  • memory/3844-27-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/3844-28-0x0000000006D80000-0x0000000006E12000-memory.dmp

    Filesize

    584KB

  • memory/3844-29-0x0000000006D20000-0x0000000006D2A000-memory.dmp

    Filesize

    40KB