Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 16:21

General

  • Target

    PO-098765678000.exe

  • Size

    764KB

  • MD5

    f9617b77cfa61832aa0db5c8cd8e0357

  • SHA1

    95ca6b88193fad7de1a9693639641f42744136c4

  • SHA256

    e2e31ef953c1dee99b1b6ee23c149b568a76d44531457adb0c89eff648c58a55

  • SHA512

    9958f54f5a1fde6e7f6315395080579277958f2e3416e39908576c8fa0b55c162d1d845da203511070d58a2724f88b343ce475b8c63cf544f7f53712f5c50d92

  • SSDEEP

    12288:qUx5U3TB2nJfk+Cs8uOtcTDA/dS+H1cxhNw7HBKQ0oL85yhl04:qUx8b+CxTwoZcxhNw7HHhz

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.antoniomayol.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    cMhKDQUk1{;%

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.antoniomayol.com:21
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    cMhKDQUk1{;%

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.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 TTPs

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

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:916
    • 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\PO-098765678000.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4396
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qRDlxtruHIkHC.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qRDlxtruHIkHC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC033.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3520
    • C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4860

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-098765678000.exe.log

          Filesize

          1KB

          MD5

          36049bae97bba745c793444373453cb0

          SHA1

          eb6e9a822944e8e207abba1a5e53f0183a1684f1

          SHA256

          839fa1f9725719938ffa24533587b168bae2768f23ac09dccb3ad4ab8ae6abcd

          SHA512

          a6584b7b435afeffb6becfbed82517087030eb23534fa50deecd02330bf36d633ba22e979e36b9c27e35885f9cc1cc9481dadc53cc265be61391e11a7c2c7cdb

        • 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

          0082be27963e2c06168cbbec462f5b6e

          SHA1

          ab78ff8a33eda1a5684cf17eafe74a8804d95c2d

          SHA256

          f46beccb3f625bc3f1ea64692bc0122da7eeacb00703ca000ac5537bd1a05202

          SHA512

          5d5477897775de1f66abc5260711c4e742c11b157146c8a8bf1cb2646ca10c0d1da37bf97ebc9ce61bb7f5242e0de5674898565cded179ae58983a589b04c22d

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jpguvr04.ijn.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmpC033.tmp

          Filesize

          1KB

          MD5

          bad71f53cecc9f258cbead26d9dd2ed5

          SHA1

          d3f7e8d2eeac290ab329827d00e29a9a1a3ce223

          SHA256

          02f9629b62db9cc7353842ca13783f41aa4ab22fde8f28739930433b6447346e

          SHA512

          ace12c88d4b8728eb7526003b8ac1188300c99d9dada44d33cbfff5485055c1d5a5bee9dbfd3a066d9a9318aafb9d1775868875350777b8cc44b6a8d9f14c35d

        • memory/916-8-0x0000000005520000-0x00000000055A4000-memory.dmp

          Filesize

          528KB

        • memory/916-6-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

          Filesize

          4KB

        • memory/916-7-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/916-5-0x0000000005F70000-0x0000000005F8E000-memory.dmp

          Filesize

          120KB

        • memory/916-9-0x000000000CD70000-0x000000000CE0C000-memory.dmp

          Filesize

          624KB

        • memory/916-4-0x0000000005CE0000-0x0000000005D72000-memory.dmp

          Filesize

          584KB

        • memory/916-3-0x00000000061F0000-0x0000000006794000-memory.dmp

          Filesize

          5.6MB

        • memory/916-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

          Filesize

          4KB

        • memory/916-2-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/916-50-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/916-1-0x0000000000FF0000-0x00000000010B4000-memory.dmp

          Filesize

          784KB

        • memory/2700-80-0x0000000007B60000-0x0000000007B74000-memory.dmp

          Filesize

          80KB

        • memory/2700-76-0x0000000007990000-0x000000000799A000-memory.dmp

          Filesize

          40KB

        • memory/2700-28-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/2700-74-0x0000000007F70000-0x00000000085EA000-memory.dmp

          Filesize

          6.5MB

        • memory/2700-78-0x0000000007B20000-0x0000000007B31000-memory.dmp

          Filesize

          68KB

        • memory/2700-40-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/2700-81-0x0000000007C60000-0x0000000007C7A000-memory.dmp

          Filesize

          104KB

        • memory/2700-44-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/2700-77-0x0000000007BA0000-0x0000000007C36000-memory.dmp

          Filesize

          600KB

        • memory/2700-79-0x0000000007B50000-0x0000000007B5E000-memory.dmp

          Filesize

          56KB

        • memory/2700-75-0x0000000007920000-0x000000000793A000-memory.dmp

          Filesize

          104KB

        • memory/2700-82-0x0000000007C40000-0x0000000007C48000-memory.dmp

          Filesize

          32KB

        • memory/2700-85-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/2700-52-0x000000006FB30000-0x000000006FB7C000-memory.dmp

          Filesize

          304KB

        • memory/2700-51-0x0000000007580000-0x00000000075B2000-memory.dmp

          Filesize

          200KB

        • memory/2700-62-0x0000000007560000-0x000000000757E000-memory.dmp

          Filesize

          120KB

        • memory/2700-63-0x00000000077D0000-0x0000000007873000-memory.dmp

          Filesize

          652KB

        • memory/4396-16-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/4396-20-0x00000000053D0000-0x0000000005436000-memory.dmp

          Filesize

          408KB

        • memory/4396-46-0x0000000006210000-0x000000000622E000-memory.dmp

          Filesize

          120KB

        • memory/4396-89-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/4396-48-0x0000000006790000-0x00000000067DC000-memory.dmp

          Filesize

          304KB

        • memory/4396-38-0x0000000005C60000-0x0000000005FB4000-memory.dmp

          Filesize

          3.3MB

        • memory/4396-19-0x0000000005130000-0x0000000005152000-memory.dmp

          Filesize

          136KB

        • memory/4396-64-0x000000006FB30000-0x000000006FB7C000-memory.dmp

          Filesize

          304KB

        • memory/4396-21-0x0000000005540000-0x00000000055A6000-memory.dmp

          Filesize

          408KB

        • memory/4396-18-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/4396-17-0x0000000074C30000-0x00000000753E0000-memory.dmp

          Filesize

          7.7MB

        • memory/4396-15-0x0000000005630000-0x0000000005C58000-memory.dmp

          Filesize

          6.2MB

        • memory/4396-14-0x0000000002910000-0x0000000002946000-memory.dmp

          Filesize

          216KB

        • memory/4860-45-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/4860-90-0x0000000006CE0000-0x0000000006D30000-memory.dmp

          Filesize

          320KB

        • memory/4860-91-0x0000000006F60000-0x0000000006F6A000-memory.dmp

          Filesize

          40KB