Analysis

  • max time kernel
    93s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 11:09

General

  • Target

    ATA2409385.exe

  • Size

    717KB

  • MD5

    e8835b7ee85bf5c1770398de1a14c211

  • SHA1

    5e5e3ff999c410362ae2571a921dd229cf0fa414

  • SHA256

    09a3694a94074c3c3c29f6a7c03b74a8f87b79635958b820bcaed112afe0cea9

  • SHA512

    f768d617246e6c71a2f94944443ac8fbfa11b8f330548b94d6825e54e27f60dad2283c7d544b014d22704cf989bb898cf54eeae762e366ae9ec621a1219d77d0

  • SSDEEP

    12288:qHo2iN3skSKSIw6KZo/bzjtw79gALqXrw8BdOzb4+g9aZXqxoosdzDslRTPuMjjy:qI19JSNIH2Oza79gzw8fOzc+gEXquosN

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ATA2409385.exe
    "C:\Users\Admin\AppData\Local\Temp\ATA2409385.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1848
    • 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\ATA2409385.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2988
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YASWWeFBvhTn.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1524
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YASWWeFBvhTn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA950.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1984
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:948

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        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

          4554f575a90af8a5f6b5693a56796c92

          SHA1

          20888bae6c1ddba909c210880d9d7637bc8411e4

          SHA256

          03630364dc0c1a29eb713f3c9350b52ca2714c12720cbb9f95eebcedac29f37a

          SHA512

          e26bd9475faf215e236ab39aeb1c2ee72c4a687b39789c31cce28837befce317c4c60887c806f37a8269e73d85adcf71a99e91bf94ab4b87c1345c4aed0003ea

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ldcbpwr.h2s.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmpA950.tmp

          Filesize

          1KB

          MD5

          e6d5e8761bf199230ef0a7ab8dc4057f

          SHA1

          0b6821efc46c4e105edd8d5ea2fb51d6abee57ba

          SHA256

          161c3a0caada0503e53e189b4b9c6ccc7c84f0d6c91bb4c65d64be8f11a5fc41

          SHA512

          02b448a4e894446eea72fa07a7daaac0220933e5a634114761a827ebb864bcfdc1397908c91f57935f597ab911d7b36adb89e773fc46629cce6deca0c49b6b7e

        • memory/948-92-0x0000000005F90000-0x0000000005FE0000-memory.dmp

          Filesize

          320KB

        • memory/948-47-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1524-28-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/1524-82-0x0000000007C70000-0x0000000007C8A000-memory.dmp

          Filesize

          104KB

        • memory/1524-52-0x0000000006BD0000-0x0000000006C02000-memory.dmp

          Filesize

          200KB

        • memory/1524-51-0x0000000006940000-0x000000000698C000-memory.dmp

          Filesize

          304KB

        • memory/1524-50-0x0000000006600000-0x000000000661E000-memory.dmp

          Filesize

          120KB

        • memory/1524-63-0x0000000006C30000-0x0000000006C4E000-memory.dmp

          Filesize

          120KB

        • memory/1524-53-0x000000006FF70000-0x000000006FFBC000-memory.dmp

          Filesize

          304KB

        • memory/1524-91-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/1524-64-0x0000000007800000-0x00000000078A3000-memory.dmp

          Filesize

          652KB

        • memory/1524-26-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/1524-83-0x0000000007C50000-0x0000000007C58000-memory.dmp

          Filesize

          32KB

        • memory/1524-21-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/1848-2-0x0000000005C20000-0x00000000061C4000-memory.dmp

          Filesize

          5.6MB

        • memory/1848-7-0x0000000005A60000-0x0000000005A70000-memory.dmp

          Filesize

          64KB

        • memory/1848-19-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/1848-5-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/1848-3-0x0000000005710000-0x00000000057A2000-memory.dmp

          Filesize

          584KB

        • memory/1848-0-0x000000007496E000-0x000000007496F000-memory.dmp

          Filesize

          4KB

        • memory/1848-4-0x00000000057D0000-0x00000000057DA000-memory.dmp

          Filesize

          40KB

        • memory/1848-1-0x0000000000C70000-0x0000000000D26000-memory.dmp

          Filesize

          728KB

        • memory/1848-49-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/1848-6-0x0000000005A20000-0x0000000005A3E000-memory.dmp

          Filesize

          120KB

        • memory/1848-14-0x000000007496E000-0x000000007496F000-memory.dmp

          Filesize

          4KB

        • memory/1848-9-0x00000000097D0000-0x000000000986C000-memory.dmp

          Filesize

          624KB

        • memory/1848-8-0x0000000007100000-0x0000000007184000-memory.dmp

          Filesize

          528KB

        • memory/2988-17-0x0000000004B10000-0x0000000005138000-memory.dmp

          Filesize

          6.2MB

        • memory/2988-22-0x0000000004AE0000-0x0000000004B02000-memory.dmp

          Filesize

          136KB

        • memory/2988-65-0x000000006FF70000-0x000000006FFBC000-memory.dmp

          Filesize

          304KB

        • memory/2988-27-0x0000000005410000-0x0000000005764000-memory.dmp

          Filesize

          3.3MB

        • memory/2988-75-0x00000000073A0000-0x0000000007A1A000-memory.dmp

          Filesize

          6.5MB

        • memory/2988-76-0x0000000006D60000-0x0000000006D7A000-memory.dmp

          Filesize

          104KB

        • memory/2988-77-0x0000000006DD0000-0x0000000006DDA000-memory.dmp

          Filesize

          40KB

        • memory/2988-78-0x0000000006FE0000-0x0000000007076000-memory.dmp

          Filesize

          600KB

        • memory/2988-79-0x0000000006F60000-0x0000000006F71000-memory.dmp

          Filesize

          68KB

        • memory/2988-80-0x0000000006F90000-0x0000000006F9E000-memory.dmp

          Filesize

          56KB

        • memory/2988-81-0x0000000006FA0000-0x0000000006FB4000-memory.dmp

          Filesize

          80KB

        • memory/2988-24-0x0000000005330000-0x0000000005396000-memory.dmp

          Filesize

          408KB

        • memory/2988-25-0x00000000053A0000-0x0000000005406000-memory.dmp

          Filesize

          408KB

        • memory/2988-87-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/2988-20-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/2988-16-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/2988-18-0x0000000074960000-0x0000000075110000-memory.dmp

          Filesize

          7.7MB

        • memory/2988-15-0x0000000004470000-0x00000000044A6000-memory.dmp

          Filesize

          216KB