Analysis

  • max time kernel
    125s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 09:00

General

  • Target

    Confirmación de pago.exe

  • Size

    810.6MB

  • MD5

    55f21afea211a393b016c037db0dee43

  • SHA1

    e0772dccb1f17d89f122876b148488530b693af6

  • SHA256

    99c708fb16999955b141f531644e954ba7e12453af9e11e968d3b9d0bcaed268

  • SHA512

    a44e5a7086e60ca1c9bbbf1b44e010747c38a3153418b95dd1e6f00af9b57b1c9071d6124ef66613a056bc951f6395a919fdaec0a4735c443a2bf834ee4b9429

  • SSDEEP

    12288:kti6NGb1oa6i42ez6fu1P+t8UTWibJEw5roaH6NqC:V1oY/21PITbOw5rZS

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7000875199:AAGcJDBHFcfVUBvhBO4xZLw34OXk1NWXSe0/

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 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).

  • 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\Confirmación de pago.exe
    "C:\Users\Admin\AppData\Local\Temp\Confirmación de pago.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:4596
    • 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\Confirmación de pago.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2596
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dpncyxqKvRJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dpncyxqKvRJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAD4.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1056
    • C:\Users\Admin\AppData\Local\Temp\Confirmación de pago.exe
      "C:\Users\Admin\AppData\Local\Temp\Confirmación de pago.exe"
      2⤵
        PID:2484
      • C:\Users\Admin\AppData\Local\Temp\Confirmación de pago.exe
        "C:\Users\Admin\AppData\Local\Temp\Confirmación de pago.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3912

    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

      254a1d5fd48de315ac429c4f0c97f815

      SHA1

      a2e9f39e888904c51b26464baf12e01f0bd8aa73

      SHA256

      d91363f488f202a614f34cb6918f10f6f1e71ddf9f5d4577fa7a1c0799c38cb4

      SHA512

      ff10b97740798dd3bd3695866e78791dd6be74342e632f1e2ee1fafb4cd3476f6842bc3e8f6a8f6d553cb70d4428138f27d22e37d23e4bda5fc8225941e3a0a3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ldssydcl.5i4.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpBAD4.tmp

      Filesize

      1KB

      MD5

      0e7d1b3835f0b4a882d35e3fd269eb91

      SHA1

      126987a42b7a631ae79993cf3e7a5467270a2431

      SHA256

      c160767ccab9402708b669653f21ffa8d3d15377685103f6155774416c03d2e1

      SHA512

      93251c6e89036c2febde3e1a2106fa2a261f859729d1f3bb01903ba706141272585fbe5cff760aca945ebc8952615f6b3c4c7c3651ebfe7a2ed80801fb4f1ec6

    • memory/1772-88-0x0000000074920000-0x00000000750D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1772-68-0x000000006F910000-0x000000006F95C000-memory.dmp

      Filesize

      304KB

    • memory/1772-36-0x0000000074920000-0x00000000750D0000-memory.dmp

      Filesize

      7.7MB

    • memory/1772-35-0x0000000074920000-0x00000000750D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2596-64-0x0000000007B30000-0x0000000007B4A000-memory.dmp

      Filesize

      104KB

    • memory/2596-67-0x0000000007D30000-0x0000000007D41000-memory.dmp

      Filesize

      68KB

    • memory/2596-84-0x0000000074920000-0x00000000750D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2596-81-0x0000000007E50000-0x0000000007E58000-memory.dmp

      Filesize

      32KB

    • memory/2596-12-0x0000000074920000-0x00000000750D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2596-13-0x0000000002EE0000-0x0000000002F16000-memory.dmp

      Filesize

      216KB

    • memory/2596-15-0x0000000005B70000-0x0000000006198000-memory.dmp

      Filesize

      6.2MB

    • memory/2596-14-0x0000000074920000-0x00000000750D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2596-16-0x0000000005830000-0x0000000005852000-memory.dmp

      Filesize

      136KB

    • memory/2596-18-0x0000000005A80000-0x0000000005AE6000-memory.dmp

      Filesize

      408KB

    • memory/2596-17-0x0000000005960000-0x00000000059C6000-memory.dmp

      Filesize

      408KB

    • memory/2596-80-0x0000000007E70000-0x0000000007E8A000-memory.dmp

      Filesize

      104KB

    • memory/2596-28-0x00000000062A0000-0x00000000065F4000-memory.dmp

      Filesize

      3.3MB

    • memory/2596-29-0x0000000006810000-0x000000000682E000-memory.dmp

      Filesize

      120KB

    • memory/2596-30-0x0000000006840000-0x000000000688C000-memory.dmp

      Filesize

      304KB

    • memory/2596-79-0x0000000007D70000-0x0000000007D84000-memory.dmp

      Filesize

      80KB

    • memory/2596-78-0x0000000007D60000-0x0000000007D6E000-memory.dmp

      Filesize

      56KB

    • memory/2596-66-0x0000000007DB0000-0x0000000007E46000-memory.dmp

      Filesize

      600KB

    • memory/2596-65-0x0000000007BA0000-0x0000000007BAA000-memory.dmp

      Filesize

      40KB

    • memory/2596-63-0x0000000008170000-0x00000000087EA000-memory.dmp

      Filesize

      6.5MB

    • memory/2596-51-0x000000006F910000-0x000000006F95C000-memory.dmp

      Filesize

      304KB

    • memory/2596-61-0x00000000077D0000-0x00000000077EE000-memory.dmp

      Filesize

      120KB

    • memory/2596-50-0x0000000007790000-0x00000000077C2000-memory.dmp

      Filesize

      200KB

    • memory/2596-62-0x00000000077F0000-0x0000000007893000-memory.dmp

      Filesize

      652KB

    • memory/3912-47-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3912-89-0x0000000005F90000-0x0000000005FE0000-memory.dmp

      Filesize

      320KB

    • memory/4596-6-0x00000000066A0000-0x0000000006736000-memory.dmp

      Filesize

      600KB

    • memory/4596-5-0x0000000004DA0000-0x0000000004DAA000-memory.dmp

      Filesize

      40KB

    • memory/4596-9-0x0000000074920000-0x00000000750D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4596-4-0x0000000074920000-0x00000000750D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4596-49-0x0000000074920000-0x00000000750D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4596-7-0x0000000004EC0000-0x0000000004ECE000-memory.dmp

      Filesize

      56KB

    • memory/4596-8-0x000000007492E000-0x000000007492F000-memory.dmp

      Filesize

      4KB

    • memory/4596-11-0x0000000009120000-0x00000000091BC000-memory.dmp

      Filesize

      624KB

    • memory/4596-10-0x0000000006A80000-0x0000000006B04000-memory.dmp

      Filesize

      528KB

    • memory/4596-3-0x00000000054A0000-0x0000000005A44000-memory.dmp

      Filesize

      5.6MB

    • memory/4596-2-0x0000000004CF0000-0x0000000004D82000-memory.dmp

      Filesize

      584KB

    • memory/4596-1-0x00000000002B0000-0x0000000000352000-memory.dmp

      Filesize

      648KB

    • memory/4596-0-0x000000007492E000-0x000000007492F000-memory.dmp

      Filesize

      4KB