Analysis

  • max time kernel
    135s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 02:16

General

  • Target
    ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe
  • Size 891KB
  • Sample240613-cp76za1clc
  • SHA256 ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.issssteel.com

  • Port

    587

  • Password

    onyinyechi198724

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 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.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 3 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 7 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\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe
    "C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IfNaEnvFOSaGpt.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IfNaEnvFOSaGpt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp10D4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2920
    • C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe
      "C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe"
      2⤵
        PID:244
      • C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe
        "C:\Users\Admin\AppData\Local\Temp\ecb9115de92beb10b3344687dfe5a2147117302e02378f5592649d5761e33305.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2276
    • 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 --field-trial-handle=1292,i,3595107284059830391,18018199024659337217,262144 --variations-seed-version --mojo-platform-channel-handle=3060 /prefetch:8
      1⤵
        PID:316

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            __PSScriptPolicyTest_qs5zfqq2.n0l.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qs5zfqq2.n0l.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmp10D4.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmp10D4.tmp
            • Size 1KB
            • SHA256 0b3a2416e72cdc539747332472f8c1b4c1a7fb5f1fdbacee637c0844e8dbfc56
            • MD5 SHA1 SHA512

            memory/616-53-0x0000000007380000-0x000000000739A000-memory.dmp

            memory/616-22-0x0000000074AA0000-0x0000000075250000-memory.dmp

            memory/616-63-0x0000000074AA0000-0x0000000075250000-memory.dmp

            memory/616-60-0x00000000076A0000-0x00000000076A8000-memory.dmp

            memory/616-59-0x00000000076C0000-0x00000000076DA000-memory.dmp

            memory/616-58-0x00000000075C0000-0x00000000075D4000-memory.dmp

            memory/616-57-0x00000000075B0000-0x00000000075BE000-memory.dmp

            memory/616-56-0x0000000007580000-0x0000000007591000-memory.dmp

            memory/616-14-0x0000000004AF0000-0x0000000004B26000-memory.dmp

            memory/616-16-0x0000000005160000-0x0000000005788000-memory.dmp

            memory/616-17-0x0000000074AA0000-0x0000000075250000-memory.dmp

            memory/616-55-0x0000000007600000-0x0000000007696000-memory.dmp

            memory/616-19-0x00000000057D0000-0x00000000057F2000-memory.dmp

            memory/616-21-0x00000000059E0000-0x0000000005A46000-memory.dmp

            memory/616-54-0x00000000073F0000-0x00000000073FA000-memory.dmp

            memory/616-52-0x00000000079C0000-0x000000000803A000-memory.dmp

            memory/616-51-0x0000000007240000-0x00000000072E3000-memory.dmp

            memory/616-34-0x0000000005A50000-0x0000000005DA4000-memory.dmp

            memory/616-50-0x0000000007210000-0x000000000722E000-memory.dmp

            memory/616-20-0x00000000058F0000-0x0000000005956000-memory.dmp

            memory/616-40-0x000000006F7D0000-0x000000006F81C000-memory.dmp

            memory/616-18-0x0000000074AA0000-0x0000000075250000-memory.dmp

            memory/616-37-0x0000000006050000-0x000000000606E000-memory.dmp

            memory/616-38-0x00000000060A0000-0x00000000060EC000-memory.dmp

            memory/616-39-0x00000000071D0000-0x0000000007202000-memory.dmp

            memory/2188-8-0x0000000007F70000-0x0000000007FF4000-memory.dmp

            memory/2188-9-0x000000000A6F0000-0x000000000A78C000-memory.dmp

            memory/2188-1-0x00000000006C0000-0x00000000007A6000-memory.dmp

            memory/2188-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

            memory/2188-5-0x0000000074AA0000-0x0000000075250000-memory.dmp

            memory/2188-4-0x0000000005120000-0x000000000512A000-memory.dmp

            memory/2188-3-0x0000000005060000-0x00000000050F2000-memory.dmp

            memory/2188-6-0x00000000064A0000-0x00000000064BA000-memory.dmp

            memory/2188-35-0x0000000074AA0000-0x0000000075250000-memory.dmp

            memory/2188-7-0x00000000064D0000-0x00000000064E0000-memory.dmp

            memory/2188-2-0x0000000005700000-0x0000000005CA4000-memory.dmp

            memory/2276-36-0x0000000074AA0000-0x0000000075250000-memory.dmp

            memory/2276-23-0x0000000000400000-0x0000000000442000-memory.dmp

            memory/2276-64-0x0000000006F00000-0x0000000006F50000-memory.dmp

            memory/2276-65-0x0000000074AA0000-0x0000000075250000-memory.dmp