Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2024, 06:02

General

  • Target

    LEVER STYLE SEP BUY ORDER & C248SH12.exe

  • Size

    589KB

  • MD5

    d7b31fb164449abc4ebba1da9f9db871

  • SHA1

    3e8fd347bb725ff93cb63889596ca9d9a70ed78a

  • SHA256

    b3a75b451a2ed180163105fdb42a677a1f124de62a989326766d63a614f905d2

  • SHA512

    531737e285cfc045fefed2d095011565f6960b9dfa2469f6b274a172bc5fe19c46db207b66e62cdeed3a0d2661d75a572a491b38fc20a0d77f8c0e36d1ba47ad

  • SSDEEP

    12288:xKP3YgVkigAyoz2AQ82B+0HlIbO47ZBBrtjZlQr+I3bTu5eaLDGLi:xA3YovntsTNF54XZmr5aeafOi

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 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.

  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LEVER STYLE SEP BUY ORDER & C248SH12.exe
    "C:\Users\Admin\AppData\Local\Temp\LEVER STYLE SEP BUY ORDER & C248SH12.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3872
    • 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\LEVER STYLE SEP BUY ORDER & C248SH12.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1844
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1600
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
        PID:5084

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1feimeud.mct.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1600-25-0x0000000006F40000-0x0000000006F90000-memory.dmp

      Filesize

      320KB

    • memory/1600-19-0x0000000006180000-0x0000000006724000-memory.dmp

      Filesize

      5.6MB

    • memory/1600-29-0x00000000070F0000-0x00000000070FA000-memory.dmp

      Filesize

      40KB

    • memory/1600-28-0x0000000007170000-0x0000000007202000-memory.dmp

      Filesize

      584KB

    • memory/1600-27-0x000000007524E000-0x000000007524F000-memory.dmp

      Filesize

      4KB

    • memory/1600-18-0x000000007524E000-0x000000007524F000-memory.dmp

      Filesize

      4KB

    • memory/1600-26-0x0000000007030000-0x00000000070CC000-memory.dmp

      Filesize

      624KB

    • memory/1600-20-0x0000000005B10000-0x0000000005B76000-memory.dmp

      Filesize

      408KB

    • memory/1600-4-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1844-14-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/1844-16-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/1844-24-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/1844-15-0x000002F15A2A0000-0x000002F15A2C2000-memory.dmp

      Filesize

      136KB

    • memory/1844-17-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/3872-2-0x0000021E7AB30000-0x0000021E7ABC4000-memory.dmp

      Filesize

      592KB

    • memory/3872-23-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB

    • memory/3872-0-0x00007FFFF8853000-0x00007FFFF8855000-memory.dmp

      Filesize

      8KB

    • memory/3872-1-0x0000021E604D0000-0x0000021E60566000-memory.dmp

      Filesize

      600KB

    • memory/3872-3-0x00007FFFF8850000-0x00007FFFF9311000-memory.dmp

      Filesize

      10.8MB