Analysis

  • max time kernel
    123s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2024 12:10

General

  • Target

    86e6c344630b2458ef31796359d7c14538e95982c87c803d1ffd328f2ac2bab6.exe

  • Size

    658KB

  • MD5

    84043c0686f2b27660e5fbf92b09ad24

  • SHA1

    bcffeb481ba9583e2ea0f170d1c4bcf4b118a8a0

  • SHA256

    86e6c344630b2458ef31796359d7c14538e95982c87c803d1ffd328f2ac2bab6

  • SHA512

    35e2fe5a29ba81ba0a899bf47969cf31b687936046bfe0bdfbe1d8311882a8851f80314b1c4799361d32fb19c05368b2204e166e29192e3899a6e318b35ee563

  • SSDEEP

    12288:upzIZl7YSXpYDBz4VAB6lC6b2zt8m6kOI4Ll4aIM5EZTnxVB2yWZ8bQbi:yIl7iDBUV86lC6S4kBSl4oEV/P5I

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86e6c344630b2458ef31796359d7c14538e95982c87c803d1ffd328f2ac2bab6.exe
    "C:\Users\Admin\AppData\Local\Temp\86e6c344630b2458ef31796359d7c14538e95982c87c803d1ffd328f2ac2bab6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3088
    • 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\86e6c344630b2458ef31796359d7c14538e95982c87c803d1ffd328f2ac2bab6.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1020
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RXoOAqKwRcHHP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4420
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RXoOAqKwRcHHP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC033.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:396
    • C:\Users\Admin\AppData\Local\Temp\86e6c344630b2458ef31796359d7c14538e95982c87c803d1ffd328f2ac2bab6.exe
      "C:\Users\Admin\AppData\Local\Temp\86e6c344630b2458ef31796359d7c14538e95982c87c803d1ffd328f2ac2bab6.exe"
      2⤵
        PID:1652
      • C:\Users\Admin\AppData\Local\Temp\86e6c344630b2458ef31796359d7c14538e95982c87c803d1ffd328f2ac2bab6.exe
        "C:\Users\Admin\AppData\Local\Temp\86e6c344630b2458ef31796359d7c14538e95982c87c803d1ffd328f2ac2bab6.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3860

    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

      4ddde227a09856d7feb0a3adaab6727f

      SHA1

      25bae6d030430bfded899eb8d512ff335aca8edf

      SHA256

      f014e956dfe2d098bd6ea2279f25be4810a807440dcb4751455249ea47ba0cbb

      SHA512

      b51f0d826b8778c411563b7550ec5ac1329f7c9e2cb524deb7b914dd4a8d98b93c7fa1a167ccdbc1503785d3c534e2bd98176add24d0fc82a00cf287a1d4c675

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lmby5mui.dwb.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      1KB

      MD5

      f4b7b8ac6031ed3f02b30b22c7a71638

      SHA1

      636e08f8d1d6b056b8c9a322c7a67b75bc24b791

      SHA256

      0371d4b8652df0fa8dc349b60d0ad435927e90ea66d068aa4e3401e5967827fe

      SHA512

      f770d03c7e1eab04af85f35c5adad83cab32e60888887dafcdc85b805582d39a0906957559b6abcc40d883812e94a7fa3834fb6cb8ed3cd1d6cbd6d296dd6205

    • memory/1020-16-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/1020-74-0x0000000007DB0000-0x000000000842A000-memory.dmp

      Filesize

      6.5MB

    • memory/1020-88-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/1020-22-0x00000000053A0000-0x00000000053C2000-memory.dmp

      Filesize

      136KB

    • memory/1020-82-0x0000000007A90000-0x0000000007A98000-memory.dmp

      Filesize

      32KB

    • memory/1020-81-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

      Filesize

      104KB

    • memory/1020-80-0x00000000079B0000-0x00000000079C4000-memory.dmp

      Filesize

      80KB

    • memory/1020-15-0x0000000002B40000-0x0000000002B76000-memory.dmp

      Filesize

      216KB

    • memory/1020-79-0x00000000079A0000-0x00000000079AE000-memory.dmp

      Filesize

      56KB

    • memory/1020-17-0x00000000055E0000-0x0000000005C08000-memory.dmp

      Filesize

      6.2MB

    • memory/1020-78-0x0000000007970000-0x0000000007981000-memory.dmp

      Filesize

      68KB

    • memory/1020-19-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/1020-76-0x00000000077E0000-0x00000000077EA000-memory.dmp

      Filesize

      40KB

    • memory/1020-75-0x0000000007770000-0x000000000778A000-memory.dmp

      Filesize

      104KB

    • memory/1020-24-0x00000000054B0000-0x0000000005516000-memory.dmp

      Filesize

      408KB

    • memory/1020-64-0x0000000070D40000-0x0000000070D8C000-memory.dmp

      Filesize

      304KB

    • memory/1020-23-0x0000000005440000-0x00000000054A6000-memory.dmp

      Filesize

      408KB

    • memory/1020-33-0x0000000005EA0000-0x00000000061F4000-memory.dmp

      Filesize

      3.3MB

    • memory/1020-18-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/3088-7-0x000000007455E000-0x000000007455F000-memory.dmp

      Filesize

      4KB

    • memory/3088-5-0x0000000005300000-0x000000000530A000-memory.dmp

      Filesize

      40KB

    • memory/3088-48-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/3088-4-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/3088-6-0x0000000006F00000-0x0000000006F12000-memory.dmp

      Filesize

      72KB

    • memory/3088-1-0x00000000006B0000-0x000000000075A000-memory.dmp

      Filesize

      680KB

    • memory/3088-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

      Filesize

      5.6MB

    • memory/3088-8-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/3088-9-0x0000000006F10000-0x0000000006F94000-memory.dmp

      Filesize

      528KB

    • memory/3088-10-0x00000000095B0000-0x000000000964C000-memory.dmp

      Filesize

      624KB

    • memory/3088-0-0x000000007455E000-0x000000007455F000-memory.dmp

      Filesize

      4KB

    • memory/3088-3-0x0000000005140000-0x00000000051D2000-memory.dmp

      Filesize

      584KB

    • memory/3860-45-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3860-90-0x0000000006F90000-0x0000000006FE0000-memory.dmp

      Filesize

      320KB

    • memory/4420-31-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/4420-77-0x0000000007A40000-0x0000000007AD6000-memory.dmp

      Filesize

      600KB

    • memory/4420-25-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/4420-63-0x0000000007470000-0x0000000007513000-memory.dmp

      Filesize

      652KB

    • memory/4420-62-0x0000000006A50000-0x0000000006A6E000-memory.dmp

      Filesize

      120KB

    • memory/4420-51-0x0000000007420000-0x0000000007452000-memory.dmp

      Filesize

      200KB

    • memory/4420-52-0x0000000070D40000-0x0000000070D8C000-memory.dmp

      Filesize

      304KB

    • memory/4420-50-0x00000000069E0000-0x0000000006A2C000-memory.dmp

      Filesize

      304KB

    • memory/4420-49-0x0000000006470000-0x000000000648E000-memory.dmp

      Filesize

      120KB

    • memory/4420-89-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/4420-20-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB