Analysis

  • max time kernel
    134s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/06/2024, 01:01

General

  • Target
    EA1205-24-25607 QUOATATION.exe
  • Size 698KB
  • Sample240604-bdl9paff4t
  • SHA256 031c712370f6c655fdd1e11f2eecae2065106e3f6588415dd9dfb42914e557ec
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EA1205-24-25607 QUOATATION.exe
    "C:\Users\Admin\AppData\Local\Temp\EA1205-24-25607 QUOATATION.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4924
    • 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\EA1205-24-25607 QUOATATION.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:916
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QFoWfnEj.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QFoWfnEj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp896.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2220
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4496
      • 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
        PID:2592
    • 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 --field-trial-handle=4456,i,2607710392823067546,4648797561512801463,262144 --variations-seed-version --mojo-platform-channel-handle=1304 /prefetch:8
      1⤵
        PID:4820

      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 d5019d14af93bd3e579e6eef6b3fc9eb6322e934816ba4e8151e14a1cf5653f6
            • MD5 SHA1 SHA512 SSDEEP

            __PSScriptPolicyTest_bbtwxgx2.aio.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bbtwxgx2.aio.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            tmp896.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmp896.tmp
            • Size 1KB
            • SHA256 b6be67b276d580a53d4223f3837c94ccb5302aca3a512a827fe394f02ef9a8e8
            • MD5 SHA1 SHA512

            memory/916-35-0x00000000060B0000-0x0000000006404000-memory.dmp

            memory/916-75-0x0000000007A20000-0x0000000007A2A000-memory.dmp

            memory/916-84-0x0000000074A50000-0x0000000075200000-memory.dmp

            memory/916-81-0x0000000007CD0000-0x0000000007CD8000-memory.dmp

            memory/916-80-0x0000000007CF0000-0x0000000007D0A000-memory.dmp

            memory/916-79-0x0000000007BF0000-0x0000000007C04000-memory.dmp

            memory/916-78-0x0000000007BE0000-0x0000000007BEE000-memory.dmp

            memory/916-15-0x0000000002D80000-0x0000000002DB6000-memory.dmp

            memory/916-16-0x0000000074A50000-0x0000000075200000-memory.dmp

            memory/916-17-0x0000000005A10000-0x0000000006038000-memory.dmp

            memory/916-18-0x0000000074A50000-0x0000000075200000-memory.dmp

            memory/916-77-0x0000000007BB0000-0x0000000007BC1000-memory.dmp

            memory/916-21-0x0000000005950000-0x00000000059B6000-memory.dmp

            memory/916-22-0x0000000006040000-0x00000000060A6000-memory.dmp

            memory/916-20-0x00000000058B0000-0x00000000058D2000-memory.dmp

            memory/916-76-0x0000000007C30000-0x0000000007CC6000-memory.dmp

            memory/916-74-0x0000000008000000-0x000000000867A000-memory.dmp

            memory/916-51-0x0000000075300000-0x000000007534C000-memory.dmp

            memory/916-62-0x00000000078A0000-0x0000000007943000-memory.dmp

            memory/916-61-0x0000000006C60000-0x0000000006C7E000-memory.dmp

            memory/916-50-0x0000000007860000-0x0000000007892000-memory.dmp

            memory/916-48-0x0000000006680000-0x000000000669E000-memory.dmp

            memory/916-49-0x0000000006BF0000-0x0000000006C3C000-memory.dmp

            memory/2592-88-0x0000000006B00000-0x0000000006B50000-memory.dmp

            memory/2592-30-0x0000000000400000-0x0000000000442000-memory.dmp

            memory/2696-26-0x0000000074A50000-0x0000000075200000-memory.dmp

            memory/2696-23-0x0000000074A50000-0x0000000075200000-memory.dmp

            memory/2696-63-0x0000000075300000-0x000000007534C000-memory.dmp

            memory/2696-89-0x0000000074A50000-0x0000000075200000-memory.dmp

            memory/2696-46-0x0000000074A50000-0x0000000075200000-memory.dmp

            memory/2696-73-0x0000000007940000-0x000000000795A000-memory.dmp

            memory/4924-5-0x0000000074A50000-0x0000000075200000-memory.dmp

            memory/4924-3-0x0000000005360000-0x00000000053F2000-memory.dmp

            memory/4924-10-0x000000000A880000-0x000000000A91C000-memory.dmp

            memory/4924-47-0x0000000074A50000-0x0000000075200000-memory.dmp

            memory/4924-9-0x0000000006570000-0x00000000065F2000-memory.dmp

            memory/4924-8-0x0000000006530000-0x0000000006540000-memory.dmp

            memory/4924-7-0x0000000006510000-0x000000000651E000-memory.dmp

            memory/4924-6-0x00000000083B0000-0x00000000083C6000-memory.dmp

            memory/4924-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

            memory/4924-1-0x00000000008C0000-0x0000000000974000-memory.dmp

            memory/4924-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

            memory/4924-4-0x0000000005520000-0x000000000552A000-memory.dmp