Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 01:54

General

  • Target
    AWB#7490327845.exe
  • Size 766KB
  • Sample240601-cbzyfadg51
  • SHA256 b21e59afbee71be1a68fced4c55be91b15648c96282f8667323119e9cb44938b
  • 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.

  • 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 9 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\AWB#7490327845.exe
    "C:\Users\Admin\AppData\Local\Temp\AWB#7490327845.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2964
    • 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\AWB#7490327845.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qpQfYTfeO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3380
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qpQfYTfeO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56B6.tmp"
      2⤵
      • Creates scheduled task(s)
      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
      • Suspicious use of SetWindowsHookEx
      PID:3448
  • 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=4088 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2008

    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 9c58f5859840a69552784d90ca017d55f7272dfccd6f18aa7bb85ef0f72ac03e
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_yb3t15ic.lhv.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yb3t15ic.lhv.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmp56B6.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp56B6.tmp
          • Size 1KB
          • SHA256 a7e8d7b65e4f2860c431d2f212edc22bbb2d293842f635aa26776cce136dfada
          • MD5 SHA1 SHA512

          memory/1720-49-0x0000000005110000-0x000000000512E000-memory.dmp

          memory/1720-90-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/1720-80-0x0000000007910000-0x000000000791E000-memory.dmp

          memory/1720-75-0x00000000076E0000-0x00000000076FA000-memory.dmp

          memory/1720-74-0x0000000007D20000-0x000000000839A000-memory.dmp

          memory/1720-83-0x0000000007A00000-0x0000000007A08000-memory.dmp

          memory/1720-63-0x0000000007590000-0x0000000007633000-memory.dmp

          memory/1720-15-0x0000000002A70000-0x0000000002AA6000-memory.dmp

          memory/1720-16-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/1720-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/1720-18-0x00000000055F0000-0x0000000005C18000-memory.dmp

          memory/1720-62-0x0000000006950000-0x000000000696E000-memory.dmp

          memory/1720-20-0x0000000005C20000-0x0000000005C42000-memory.dmp

          memory/1720-52-0x0000000070E60000-0x0000000070EAC000-memory.dmp

          memory/1720-23-0x0000000005D30000-0x0000000005D96000-memory.dmp

          memory/1720-22-0x0000000005CC0000-0x0000000005D26000-memory.dmp

          memory/1720-51-0x0000000006990000-0x00000000069C2000-memory.dmp

          memory/1720-50-0x0000000006460000-0x00000000064AC000-memory.dmp

          memory/1720-78-0x0000000007960000-0x00000000079F6000-memory.dmp

          memory/1720-38-0x0000000005DA0000-0x00000000060F4000-memory.dmp

          memory/2964-21-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/2964-1-0x0000000000A40000-0x0000000000B06000-memory.dmp

          memory/2964-39-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/2964-2-0x0000000007F50000-0x00000000084F4000-memory.dmp

          memory/2964-5-0x00000000079E0000-0x00000000079EA000-memory.dmp

          memory/2964-3-0x0000000007A40000-0x0000000007AD2000-memory.dmp

          memory/2964-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

          memory/2964-4-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/2964-10-0x000000000DF40000-0x000000000DFDC000-memory.dmp

          memory/2964-9-0x00000000747CE000-0x00000000747CF000-memory.dmp

          memory/2964-8-0x000000000A990000-0x000000000AA12000-memory.dmp

          memory/2964-7-0x0000000002DE0000-0x0000000002DF0000-memory.dmp

          memory/2964-6-0x0000000002E00000-0x0000000002E18000-memory.dmp

          memory/3380-37-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3380-77-0x00000000079B0000-0x00000000079BA000-memory.dmp

          memory/3380-79-0x0000000007B40000-0x0000000007B51000-memory.dmp

          memory/3380-81-0x0000000007B80000-0x0000000007B94000-memory.dmp

          memory/3380-82-0x0000000007C80000-0x0000000007C9A000-memory.dmp

          memory/3380-64-0x0000000070E60000-0x0000000070EAC000-memory.dmp

          memory/3380-30-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3380-89-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3380-24-0x00000000747C0000-0x0000000074F70000-memory.dmp

          memory/3448-76-0x0000000006500000-0x0000000006550000-memory.dmp

          memory/3448-35-0x0000000000400000-0x0000000000440000-memory.dmp