Analysis

  • max time kernel
    55s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/06/2024, 01:50

General

  • Target
    15d4a9beb186d0b616a6e0fca50648667ed85181b42469b4b0ef23e34c742b84.exe
  • Size 782KB
  • Sample240607-b9hldagg64
  • SHA256 15d4a9beb186d0b616a6e0fca50648667ed85181b42469b4b0ef23e34c742b84
  • 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.

  • Looks up external IP address via web service 2 IoCs

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

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15d4a9beb186d0b616a6e0fca50648667ed85181b42469b4b0ef23e34c742b84.exe
    "C:\Users\Admin\AppData\Local\Temp\15d4a9beb186d0b616a6e0fca50648667ed85181b42469b4b0ef23e34c742b84.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3432
    • 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\15d4a9beb186d0b616a6e0fca50648667ed85181b42469b4b0ef23e34c742b84.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:2404
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LAxWvCsvlXWc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LAxWvCsvlXWc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp89BD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1516
    • C:\Users\Admin\AppData\Local\Temp\15d4a9beb186d0b616a6e0fca50648667ed85181b42469b4b0ef23e34c742b84.exe
      "C:\Users\Admin\AppData\Local\Temp\15d4a9beb186d0b616a6e0fca50648667ed85181b42469b4b0ef23e34c742b84.exe"
      2⤵
        PID:3648
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:212

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            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

            __PSScriptPolicyTest_xh0zennk.1s2.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xh0zennk.1s2.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmp89BD.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmp89BD.tmp
            • Size 1KB
            • SHA256 2f72ec4b2e098ac16c2f1cbbfceb33d4ffafd46a459cbaf2c4ef4450bae02427
            • MD5 SHA1 SHA512

            YlXTb.exe

            • Path C:\Users\Admin\AppData\Roaming\YlXTb\YlXTb.exe
            • Size 448KB
            • SHA256 feb962ceb0a4d1ce1b7f768492dc25b35c4da13d1264edb2d4af1853d7c4075e
            • MD5 SHA1 SHA512 SSDEEP

            memory/2404-77-0x00000000079C0000-0x00000000079CA000-memory.dmp

            memory/2404-51-0x0000000070190000-0x00000000701DC000-memory.dmp

            memory/2404-80-0x0000000007B50000-0x0000000007B61000-memory.dmp

            memory/2404-79-0x0000000007BD0000-0x0000000007C66000-memory.dmp

            memory/2404-28-0x0000000005E60000-0x0000000005EC6000-memory.dmp

            memory/2404-76-0x0000000007930000-0x000000000794A000-memory.dmp

            memory/2404-82-0x0000000007B90000-0x0000000007BA4000-memory.dmp

            memory/2404-81-0x0000000007B80000-0x0000000007B8E000-memory.dmp

            memory/2404-12-0x0000000074510000-0x0000000074CC0000-memory.dmp

            memory/2404-15-0x0000000074510000-0x0000000074CC0000-memory.dmp

            memory/2404-16-0x0000000002D10000-0x0000000002D46000-memory.dmp

            memory/2404-19-0x0000000074510000-0x0000000074CC0000-memory.dmp

            memory/2404-48-0x0000000006620000-0x000000000663E000-memory.dmp

            memory/2404-84-0x0000000007C70000-0x0000000007C78000-memory.dmp

            memory/2404-89-0x0000000074510000-0x0000000074CC0000-memory.dmp

            memory/3432-11-0x0000000074510000-0x0000000074CC0000-memory.dmp

            memory/3432-6-0x00000000076C0000-0x000000000775C000-memory.dmp

            memory/3432-8-0x000000007451E000-0x000000007451F000-memory.dmp

            memory/3432-1-0x0000000000460000-0x0000000000526000-memory.dmp

            memory/3432-10-0x000000000A020000-0x000000000A0A6000-memory.dmp

            memory/3432-2-0x0000000007920000-0x0000000007EC4000-memory.dmp

            memory/3432-3-0x0000000007410000-0x00000000074A2000-memory.dmp

            memory/3432-25-0x0000000074510000-0x0000000074CC0000-memory.dmp

            memory/3432-4-0x0000000074510000-0x0000000074CC0000-memory.dmp

            memory/3432-5-0x00000000075A0000-0x00000000075AA000-memory.dmp

            memory/3432-9-0x00000000028C0000-0x00000000028D0000-memory.dmp

            memory/3432-7-0x0000000002890000-0x00000000028A8000-memory.dmp

            memory/3432-0-0x000000007451E000-0x000000007451F000-memory.dmp

            memory/3648-78-0x0000000007060000-0x00000000070B0000-memory.dmp

            memory/3648-23-0x0000000000400000-0x0000000000444000-memory.dmp

            memory/3648-26-0x0000000005890000-0x00000000058F6000-memory.dmp

            memory/4688-20-0x0000000074510000-0x0000000074CC0000-memory.dmp

            memory/4688-75-0x0000000008090000-0x000000000870A000-memory.dmp

            memory/4688-50-0x0000000007720000-0x0000000007752000-memory.dmp

            memory/4688-72-0x0000000007960000-0x0000000007A03000-memory.dmp

            memory/4688-52-0x0000000070190000-0x00000000701DC000-memory.dmp

            memory/4688-67-0x0000000006C90000-0x0000000006CAE000-memory.dmp

            memory/4688-49-0x0000000006CB0000-0x0000000006CFC000-memory.dmp

            memory/4688-83-0x0000000007DB0000-0x0000000007DCA000-memory.dmp

            memory/4688-47-0x0000000006200000-0x0000000006554000-memory.dmp

            memory/4688-90-0x0000000074510000-0x0000000074CC0000-memory.dmp

            memory/4688-22-0x0000000005870000-0x0000000005E98000-memory.dmp

            memory/4688-27-0x0000000005650000-0x0000000005672000-memory.dmp