Analysis

  • max time kernel
    88s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2023 02:24

General

  • Target

    11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe

  • Size

    674KB

  • MD5

    1647ac54fb1c7a722615b1fb92e19bf6

  • SHA1

    884abfc7f84e34c28a63786700653e3383bafc5d

  • SHA256

    11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c

  • SHA512

    fce853cf34d701307e9f3bcbfd0c171d6ffd25f4d43efe12b18ab0aa05abba5ab130855713744d9acd42b3d004fe457aac171aaa98613b1c51503c4a64c9c15e

  • SSDEEP

    12288:+CjMJrIFc0Ik/6SQ1mPUoLa9X2Q9xkb6/A8gzexA97+JvaHcMIEWE:3MJUc05/Qboub9ibL8WexAcJvEcdE

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.consultoraosp.com.ar
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mariana2023

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.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe
    "C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2132
    • 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\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1440
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlJkdytzAaDK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3720
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlJkdytzAaDK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80D8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1544
    • C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe
      "C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
      2⤵
        PID:696
      • C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe
        "C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3100
      • C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe
        "C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
        2⤵
          PID:4576
        • C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe
          "C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
          2⤵
            PID:3544
          • C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe
            "C:\Users\Admin\AppData\Local\Temp\11f419d637ab540e1f8979054681617d3e4adf28c30bfb5d086352b1c80e439c.exe"
            2⤵
              PID:2020

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            18KB

            MD5

            f39aaa4b9a9551f72d6e1854e62daa74

            SHA1

            e2e914a12e3ada6734f246d070076940c91a7c12

            SHA256

            117e28e46e4ae7e71ed781ede75af5535b91e5a3e477a4796adc2fd3ff6d906f

            SHA512

            ee384185b03958a427a3316351e8ad1978ff9004eda5c9ae8ade368e2a3e12ba9e90c5b695ede6fd37923807373324dac4e7408f2f17b3e10eff395485115273

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jk1cgqyl.sd2.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp80D8.tmp

            Filesize

            1KB

            MD5

            e974a4cf11ea957e2ccdab88e16d6f9f

            SHA1

            f607620c18af6e477d8e896aa222cb75cedf7cd2

            SHA256

            378cf69f3eb0f62deb2d1a306d5d214a7119e23a6acbb3040163e503e9fde72c

            SHA512

            3e1793db92617df9431bbcef7620d192292d9429042fead45576a11b5e74464ba7d5a281e60a2798013ff8a58ff986b53be3ea696c00379bfe9480d0f89fe8fb

          • memory/1440-85-0x0000000007440000-0x000000000745A000-memory.dmp

            Filesize

            104KB

          • memory/1440-19-0x0000000005210000-0x0000000005838000-memory.dmp

            Filesize

            6.2MB

          • memory/1440-83-0x0000000007A80000-0x00000000080FA000-memory.dmp

            Filesize

            6.5MB

          • memory/1440-26-0x0000000005AE0000-0x0000000005B46000-memory.dmp

            Filesize

            408KB

          • memory/1440-81-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1440-56-0x000000007F870000-0x000000007F880000-memory.dmp

            Filesize

            64KB

          • memory/1440-69-0x0000000007140000-0x00000000071E3000-memory.dmp

            Filesize

            652KB

          • memory/1440-68-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

            Filesize

            64KB

          • memory/1440-15-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1440-67-0x00000000066D0000-0x00000000066EE000-memory.dmp

            Filesize

            120KB

          • memory/1440-18-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

            Filesize

            64KB

          • memory/1440-86-0x00000000074B0000-0x00000000074BA000-memory.dmp

            Filesize

            40KB

          • memory/1440-57-0x0000000070500000-0x000000007054C000-memory.dmp

            Filesize

            304KB

          • memory/1440-21-0x0000000004BD0000-0x0000000004BE0000-memory.dmp

            Filesize

            64KB

          • memory/1440-16-0x0000000004B60000-0x0000000004B96000-memory.dmp

            Filesize

            216KB

          • memory/1440-92-0x0000000007760000-0x0000000007768000-memory.dmp

            Filesize

            32KB

          • memory/1440-55-0x0000000007100000-0x0000000007132000-memory.dmp

            Filesize

            200KB

          • memory/1440-51-0x00000000061B0000-0x00000000061FC000-memory.dmp

            Filesize

            304KB

          • memory/1440-96-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1440-49-0x0000000006120000-0x000000000613E000-memory.dmp

            Filesize

            120KB

          • memory/1440-25-0x0000000005A70000-0x0000000005AD6000-memory.dmp

            Filesize

            408KB

          • memory/2132-53-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2132-1-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2132-5-0x00000000059B0000-0x00000000059BA000-memory.dmp

            Filesize

            40KB

          • memory/2132-4-0x00000000059C0000-0x00000000059D0000-memory.dmp

            Filesize

            64KB

          • memory/2132-7-0x0000000005E40000-0x0000000005E48000-memory.dmp

            Filesize

            32KB

          • memory/2132-0-0x0000000000D90000-0x0000000000E3E000-memory.dmp

            Filesize

            696KB

          • memory/2132-3-0x00000000057F0000-0x0000000005882000-memory.dmp

            Filesize

            584KB

          • memory/2132-2-0x0000000005E50000-0x00000000063F4000-memory.dmp

            Filesize

            5.6MB

          • memory/2132-8-0x0000000005CB0000-0x0000000005CBA000-memory.dmp

            Filesize

            40KB

          • memory/2132-6-0x0000000005CA0000-0x0000000005CB6000-memory.dmp

            Filesize

            88KB

          • memory/2132-20-0x00000000059C0000-0x00000000059D0000-memory.dmp

            Filesize

            64KB

          • memory/2132-17-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2132-10-0x0000000009670000-0x000000000970C000-memory.dmp

            Filesize

            624KB

          • memory/2132-9-0x0000000006CE0000-0x0000000006D5A000-memory.dmp

            Filesize

            488KB

          • memory/3100-98-0x0000000006740000-0x0000000006790000-memory.dmp

            Filesize

            320KB

          • memory/3100-54-0x00000000057C0000-0x00000000057D0000-memory.dmp

            Filesize

            64KB

          • memory/3100-52-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3100-48-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/3100-99-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3100-100-0x00000000057C0000-0x00000000057D0000-memory.dmp

            Filesize

            64KB

          • memory/3720-24-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3720-84-0x00000000020F0000-0x0000000002100000-memory.dmp

            Filesize

            64KB

          • memory/3720-82-0x00000000020F0000-0x0000000002100000-memory.dmp

            Filesize

            64KB

          • memory/3720-87-0x0000000006FD0000-0x0000000007066000-memory.dmp

            Filesize

            600KB

          • memory/3720-88-0x0000000006F50000-0x0000000006F61000-memory.dmp

            Filesize

            68KB

          • memory/3720-89-0x0000000006F80000-0x0000000006F8E000-memory.dmp

            Filesize

            56KB

          • memory/3720-90-0x0000000006F90000-0x0000000006FA4000-memory.dmp

            Filesize

            80KB

          • memory/3720-91-0x0000000007090000-0x00000000070AA000-memory.dmp

            Filesize

            104KB

          • memory/3720-71-0x0000000070500000-0x000000007054C000-memory.dmp

            Filesize

            304KB

          • memory/3720-70-0x000000007F180000-0x000000007F190000-memory.dmp

            Filesize

            64KB

          • memory/3720-28-0x00000000020F0000-0x0000000002100000-memory.dmp

            Filesize

            64KB

          • memory/3720-97-0x0000000074EF0000-0x00000000756A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3720-27-0x00000000020F0000-0x0000000002100000-memory.dmp

            Filesize

            64KB

          • memory/3720-23-0x0000000004960000-0x0000000004982000-memory.dmp

            Filesize

            136KB

          • memory/3720-38-0x0000000005450000-0x00000000057A4000-memory.dmp

            Filesize

            3.3MB