Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 01:27

General

  • Target
    2ec1db87eadd4126bfd104899d0e7a6c94e69ef80f7022f4388342fa6164e761.exe
  • Size 711KB
  • Sample240607-bt5e7sgc65
  • SHA256 2ec1db87eadd4126bfd104899d0e7a6c94e69ef80f7022f4388342fa6164e761
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ec1db87eadd4126bfd104899d0e7a6c94e69ef80f7022f4388342fa6164e761.exe
    "C:\Users\Admin\AppData\Local\Temp\2ec1db87eadd4126bfd104899d0e7a6c94e69ef80f7022f4388342fa6164e761.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5024
    • 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\2ec1db87eadd4126bfd104899d0e7a6c94e69ef80f7022f4388342fa6164e761.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2152
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UcmSWCdhqiN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2844
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UcmSWCdhqiN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE4A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1276
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1604

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 a2d307e6662e687389d637f82b4c40186c09f0e46fabebb75f67a395de30204f
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_zp43awof.wl5.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zp43awof.wl5.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpDE4A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpDE4A.tmp
        • Size 1KB
        • SHA256 5b133888f36754605a9d3dcf30c774d0bc82e8b8680be10af446296e72f6098c
        • MD5 SHA1 SHA512

        memory/1604-47-0x0000000000400000-0x0000000000440000-memory.dmp

        memory/1604-92-0x00000000067C0000-0x0000000006810000-memory.dmp

        memory/2152-83-0x0000000007E70000-0x0000000007E8A000-memory.dmp

        memory/2152-19-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/2152-80-0x0000000007D30000-0x0000000007D41000-memory.dmp

        memory/2152-79-0x0000000007DB0000-0x0000000007E46000-memory.dmp

        memory/2152-76-0x0000000008170000-0x00000000087EA000-memory.dmp

        memory/2152-65-0x0000000070EA0000-0x0000000070EEC000-memory.dmp

        memory/2152-51-0x0000000006800000-0x000000000681E000-memory.dmp

        memory/2152-17-0x0000000005240000-0x0000000005276000-memory.dmp

        memory/2152-18-0x0000000005A20000-0x0000000006048000-memory.dmp

        memory/2152-81-0x0000000007D60000-0x0000000007D6E000-memory.dmp

        memory/2152-20-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/2152-24-0x00000000061E0000-0x0000000006246000-memory.dmp

        memory/2152-82-0x0000000007D70000-0x0000000007D84000-memory.dmp

        memory/2152-22-0x0000000005940000-0x0000000005962000-memory.dmp

        memory/2152-52-0x0000000006840000-0x000000000688C000-memory.dmp

        memory/2152-23-0x00000000060C0000-0x0000000006126000-memory.dmp

        memory/2152-21-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/2152-45-0x0000000006250000-0x00000000065A4000-memory.dmp

        memory/2152-90-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/2844-77-0x00000000077F0000-0x000000000780A000-memory.dmp

        memory/2844-53-0x0000000007470000-0x00000000074A2000-memory.dmp

        memory/2844-46-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/2844-91-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/2844-26-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/2844-84-0x0000000007B10000-0x0000000007B18000-memory.dmp

        memory/2844-48-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/2844-75-0x00000000076C0000-0x0000000007763000-memory.dmp

        memory/2844-64-0x0000000007450000-0x000000000746E000-memory.dmp

        memory/2844-54-0x0000000070EA0000-0x0000000070EEC000-memory.dmp

        memory/2844-78-0x0000000007860000-0x000000000786A000-memory.dmp

        memory/5024-0-0x000000007473E000-0x000000007473F000-memory.dmp

        memory/5024-10-0x000000000AD70000-0x000000000AE0C000-memory.dmp

        memory/5024-11-0x000000007473E000-0x000000007473F000-memory.dmp

        memory/5024-9-0x00000000085C0000-0x0000000008642000-memory.dmp

        memory/5024-8-0x0000000008560000-0x0000000008570000-memory.dmp

        memory/5024-7-0x0000000008550000-0x000000000855E000-memory.dmp

        memory/5024-6-0x0000000008520000-0x0000000008536000-memory.dmp

        memory/5024-12-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/5024-5-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/5024-4-0x0000000005900000-0x000000000590A000-memory.dmp

        memory/5024-3-0x0000000005840000-0x00000000058D2000-memory.dmp

        memory/5024-50-0x0000000074730000-0x0000000074EE0000-memory.dmp

        memory/5024-2-0x0000000005DF0000-0x0000000006394000-memory.dmp

        memory/5024-1-0x0000000000EE0000-0x0000000000F92000-memory.dmp