Analysis

  • max time kernel
    125s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 15:24

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.30226.exe

  • Size

    720KB

  • MD5

    31dd2e39c8df030acfcbac60f31e1fc7

  • SHA1

    4f5043b4569851675908b0a53bcc3dfdd6aaf5d5

  • SHA256

    5931ddeea405cd4878d2fd6e340d55021a71dfd2619e56e7e5c5bbad0488db34

  • SHA512

    7d530ce80312f9e1d751727c3c537c3a0d4e6639bc968da0c80b190e0b5c8ed13704c28a10ed69f70c75540852b4fe7cea087355eae21bbf200a08717649e571

  • SSDEEP

    12288:TZ5nF8ME6jD/hLcBRTnunntqorOkfDhJQQ7zbxGL/n3WaOp/wOOBcei/um+Tt:TZPtD/yBtQqChT7PCn3WyOO4/uZTt

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 1 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).

  • Program crash 1 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30226.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.30226.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gTawmWVqLHJ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1552
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gTawmWVqLHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp84D0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3312
    • 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:3576
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1800
        3⤵
        • Program crash
        PID:4932
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3576 -ip 3576
    1⤵
      PID:4464

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xx0q3ma5.b2w.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp84D0.tmp

      Filesize

      1KB

      MD5

      04b72e9542b5612cbf7110bd6aad41d9

      SHA1

      44f6d8106b381099bc2c584c0eae320b89c5c955

      SHA256

      fdda633e1402f5fbb7f139adc459bf2cbee1dff08af5f7c7ae64169d04d9a5ed

      SHA512

      a24e6534f49ff91d44fdb449c13392ae824267efff8af54460a5ba60c79e7d76ad4893091f2b2e622f1ab82aea6b772aeccbf33375e66cb2ae61c528079c3c3b

    • memory/1552-56-0x0000000006C50000-0x0000000006CF3000-memory.dmp

      Filesize

      652KB

    • memory/1552-18-0x00000000048D0000-0x00000000048E0000-memory.dmp

      Filesize

      64KB

    • memory/1552-68-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1552-65-0x00000000072B0000-0x00000000072B8000-memory.dmp

      Filesize

      32KB

    • memory/1552-64-0x00000000072D0000-0x00000000072EA000-memory.dmp

      Filesize

      104KB

    • memory/1552-63-0x00000000071D0000-0x00000000071E4000-memory.dmp

      Filesize

      80KB

    • memory/1552-62-0x00000000071C0000-0x00000000071CE000-memory.dmp

      Filesize

      56KB

    • memory/1552-61-0x0000000007190000-0x00000000071A1000-memory.dmp

      Filesize

      68KB

    • memory/1552-60-0x0000000007210000-0x00000000072A6000-memory.dmp

      Filesize

      600KB

    • memory/1552-16-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1552-59-0x0000000007000000-0x000000000700A000-memory.dmp

      Filesize

      40KB

    • memory/1552-15-0x0000000002340000-0x0000000002376000-memory.dmp

      Filesize

      216KB

    • memory/1552-34-0x00000000055B0000-0x0000000005616000-memory.dmp

      Filesize

      408KB

    • memory/1552-40-0x0000000005C70000-0x0000000005C8E000-memory.dmp

      Filesize

      120KB

    • memory/1552-58-0x0000000006F90000-0x0000000006FAA000-memory.dmp

      Filesize

      104KB

    • memory/1552-57-0x00000000075D0000-0x0000000007C4A000-memory.dmp

      Filesize

      6.5MB

    • memory/1552-55-0x00000000048D0000-0x00000000048E0000-memory.dmp

      Filesize

      64KB

    • memory/1552-23-0x0000000004EA0000-0x0000000004EC2000-memory.dmp

      Filesize

      136KB

    • memory/1552-54-0x0000000006C30000-0x0000000006C4E000-memory.dmp

      Filesize

      120KB

    • memory/1552-44-0x00000000048D0000-0x00000000048E0000-memory.dmp

      Filesize

      64KB

    • memory/1552-43-0x00000000708B0000-0x00000000708FC000-memory.dmp

      Filesize

      304KB

    • memory/1552-42-0x0000000006230000-0x0000000006262000-memory.dmp

      Filesize

      200KB

    • memory/1552-19-0x0000000004F10000-0x0000000005538000-memory.dmp

      Filesize

      6.2MB

    • memory/1552-41-0x0000000005CA0000-0x0000000005CEC000-memory.dmp

      Filesize

      304KB

    • memory/1552-39-0x00000000058F0000-0x0000000005C44000-memory.dmp

      Filesize

      3.3MB

    • memory/2320-5-0x0000000005100000-0x000000000510A000-memory.dmp

      Filesize

      40KB

    • memory/2320-22-0x0000000002C40000-0x0000000002C50000-memory.dmp

      Filesize

      64KB

    • memory/2320-3-0x0000000005140000-0x00000000051D2000-memory.dmp

      Filesize

      584KB

    • memory/2320-2-0x0000000005650000-0x0000000005BF4000-memory.dmp

      Filesize

      5.6MB

    • memory/2320-4-0x0000000002C40000-0x0000000002C50000-memory.dmp

      Filesize

      64KB

    • memory/2320-1-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2320-0-0x0000000000640000-0x00000000006FA000-memory.dmp

      Filesize

      744KB

    • memory/2320-7-0x00000000052A0000-0x00000000052A8000-memory.dmp

      Filesize

      32KB

    • memory/2320-20-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2320-27-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2320-6-0x0000000005270000-0x0000000005288000-memory.dmp

      Filesize

      96KB

    • memory/2320-10-0x00000000063D0000-0x000000000646C000-memory.dmp

      Filesize

      624KB

    • memory/2320-9-0x00000000065E0000-0x000000000665A000-memory.dmp

      Filesize

      488KB

    • memory/2320-8-0x00000000054B0000-0x00000000054BA000-memory.dmp

      Filesize

      40KB

    • memory/3576-26-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3576-28-0x00000000058C0000-0x00000000058D0000-memory.dmp

      Filesize

      64KB

    • memory/3576-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3576-25-0x0000000005820000-0x0000000005886000-memory.dmp

      Filesize

      408KB

    • memory/3576-69-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB