Analysis

  • max time kernel
    133s
  • max time network
    129s
  • 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 01:00

General

  • Target

    031c712370f6c655fdd1e11f2eecae2065106e3f6588415dd9dfb42914e557ec.exe

  • Size

    698KB

  • MD5

    a5600816a7e60f1ac466eb56bbfbbbd4

  • SHA1

    05735b0f2503a5f55cd3799306d80540558c86bf

  • SHA256

    031c712370f6c655fdd1e11f2eecae2065106e3f6588415dd9dfb42914e557ec

  • SHA512

    78a02f32113b1a29ad802501613db14920032ccca5ee5c2b29ab6963e624fb9cfa1ca95ba0196a327024e7e7f33bdeea9affcba701e31832d421e6aacfeed2ce

  • SSDEEP

    12288:7MEKt/rFfalC4RfSHvsgZwTu1ibmUSEBUbrB4zXrw0Nii2g6ZjFdNw+vRiRyrXPe:tKN5iljRfWF/UsrmzzQFLw+QkJlWJ

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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\031c712370f6c655fdd1e11f2eecae2065106e3f6588415dd9dfb42914e557ec.exe
    "C:\Users\Admin\AppData\Local\Temp\031c712370f6c655fdd1e11f2eecae2065106e3f6588415dd9dfb42914e557ec.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1788
    • 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\031c712370f6c655fdd1e11f2eecae2065106e3f6588415dd9dfb42914e557ec.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3816
    • 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:2452
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QFoWfnEj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4392
    • 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:4568
  • 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=4400,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4252 /prefetch:8
    1⤵
      PID:4620

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      2cfc526353494759a0501800e12aedd2

      SHA1

      12a9b4df8c8655c7acae5170f543565921638d9d

      SHA256

      dc9dd308656fbd36dc9f24a02642db688598ee787a88464cd4d54a8767e22e4e

      SHA512

      7ba0beca561e19ded23c7819cd8dc9bc5f0408fade5ed0da3f1fbfde9ce35bb1ecc3c3c78c5ab046faf75477ac69d83775b2b271400d77343738dae61a0f1a8d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4qop5mg0.ay0.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpEC0.tmp

      Filesize

      1KB

      MD5

      dac00d7d10a2b72df7e7969b370451cc

      SHA1

      aa279625c3ebb58efdc299d1a0de63c37335e075

      SHA256

      b6be67b276d580a53d4223f3837c94ccb5302aca3a512a827fe394f02ef9a8e8

      SHA512

      78177a570a9e6dd5b43033920bc43833c58a184dc612bcdb2ee2b9a711828fa7405d9f3f6e3c61d75204461934b0466a7e90a8e16f90f59a2957d583c2d1da81

    • memory/1788-8-0x0000000006000000-0x0000000006010000-memory.dmp

      Filesize

      64KB

    • memory/1788-5-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/1788-6-0x0000000005170000-0x0000000005186000-memory.dmp

      Filesize

      88KB

    • memory/1788-7-0x0000000005330000-0x000000000533E000-memory.dmp

      Filesize

      56KB

    • memory/1788-4-0x0000000004D60000-0x0000000004D6A000-memory.dmp

      Filesize

      40KB

    • memory/1788-9-0x0000000006040000-0x00000000060C2000-memory.dmp

      Filesize

      520KB

    • memory/1788-10-0x000000000A290000-0x000000000A32C000-memory.dmp

      Filesize

      624KB

    • memory/1788-3-0x0000000004DA0000-0x0000000004E32000-memory.dmp

      Filesize

      584KB

    • memory/1788-47-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/1788-2-0x0000000005350000-0x00000000058F4000-memory.dmp

      Filesize

      5.6MB

    • memory/1788-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

      Filesize

      4KB

    • memory/1788-1-0x00000000002B0000-0x0000000000364000-memory.dmp

      Filesize

      720KB

    • memory/2452-89-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/2452-20-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/2452-25-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/2452-79-0x0000000007A60000-0x0000000007A74000-memory.dmp

      Filesize

      80KB

    • memory/2452-77-0x0000000007A20000-0x0000000007A31000-memory.dmp

      Filesize

      68KB

    • memory/2452-80-0x0000000007B60000-0x0000000007B7A000-memory.dmp

      Filesize

      104KB

    • memory/2452-76-0x0000000007AA0000-0x0000000007B36000-memory.dmp

      Filesize

      600KB

    • memory/2452-75-0x0000000007890000-0x000000000789A000-memory.dmp

      Filesize

      40KB

    • memory/2452-81-0x0000000007B40000-0x0000000007B48000-memory.dmp

      Filesize

      32KB

    • memory/2452-50-0x0000000006AD0000-0x0000000006B02000-memory.dmp

      Filesize

      200KB

    • memory/2452-51-0x0000000071240000-0x000000007128C000-memory.dmp

      Filesize

      304KB

    • memory/3816-74-0x00000000079D0000-0x00000000079EA000-memory.dmp

      Filesize

      104KB

    • memory/3816-19-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/3816-48-0x0000000006680000-0x000000000669E000-memory.dmp

      Filesize

      120KB

    • memory/3816-52-0x0000000071240000-0x000000007128C000-memory.dmp

      Filesize

      304KB

    • memory/3816-72-0x0000000007890000-0x0000000007933000-memory.dmp

      Filesize

      652KB

    • memory/3816-71-0x0000000006CB0000-0x0000000006CCE000-memory.dmp

      Filesize

      120KB

    • memory/3816-41-0x00000000060A0000-0x00000000063F4000-memory.dmp

      Filesize

      3.3MB

    • memory/3816-73-0x0000000008010000-0x000000000868A000-memory.dmp

      Filesize

      6.5MB

    • memory/3816-22-0x00000000057C0000-0x00000000057E2000-memory.dmp

      Filesize

      136KB

    • memory/3816-15-0x00000000050E0000-0x0000000005116000-memory.dmp

      Filesize

      216KB

    • memory/3816-23-0x0000000005EC0000-0x0000000005F26000-memory.dmp

      Filesize

      408KB

    • memory/3816-78-0x0000000007C00000-0x0000000007C0E000-memory.dmp

      Filesize

      56KB

    • memory/3816-24-0x0000000005F30000-0x0000000005F96000-memory.dmp

      Filesize

      408KB

    • memory/3816-49-0x00000000066E0000-0x000000000672C000-memory.dmp

      Filesize

      304KB

    • memory/3816-18-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/3816-17-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/3816-16-0x0000000005820000-0x0000000005E48000-memory.dmp

      Filesize

      6.2MB

    • memory/3816-85-0x0000000074B70000-0x0000000075320000-memory.dmp

      Filesize

      7.7MB

    • memory/4568-82-0x0000000006D80000-0x0000000006DD0000-memory.dmp

      Filesize

      320KB

    • memory/4568-26-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB