Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Confirmación de pago.exe
    "C:\Users\Admin\AppData\Local\Temp\Confirmación de pago.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2952
    • 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:2708
    • 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:2832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dpncyxqKvRJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD08.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2896
    • 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:2972

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBD08.tmp

    Filesize

    1KB

    MD5

    d4c70d493fb150c8bf90ba252df96a45

    SHA1

    0c363ff396aa17375622802334b2dcbea2c1b833

    SHA256

    9ac207d219529abfaca131c0769ba6085fb1702ada32f2b591d07eacf94459b7

    SHA512

    59e44d447d4d1677f510dc27922d2d6f5d92c490a4bb01cca2549636fec7e721dc9e452ae38fbc94919501aefb121d6f82cea0b4ecb6e8ef88da8520a646ab2d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    896e4f8efb6c04915ac1511a6adde502

    SHA1

    2315d84a18ef6aa9c24050e64a20665f7e6c8f1b

    SHA256

    ed99204493b737aef0ae78152c57b11d195da187b78b5ad0db363c034db2621c

    SHA512

    f7e80d0bf866d3aa5bb10e8b44f8d87102815566b935a8d70a6c9fb74607999a65a79160f5fd687ee8acb099606280b622f68d1f781a38a788bb0073563743d9

  • memory/2952-4-0x00000000002F0000-0x00000000002FE000-memory.dmp

    Filesize

    56KB

  • memory/2952-3-0x0000000004DE0000-0x0000000004E76000-memory.dmp

    Filesize

    600KB

  • memory/2952-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

    Filesize

    4KB

  • memory/2952-5-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

    Filesize

    4KB

  • memory/2952-6-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2952-7-0x0000000005360000-0x00000000053E4000-memory.dmp

    Filesize

    528KB

  • memory/2952-2-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2952-1-0x0000000000F90000-0x0000000001032000-memory.dmp

    Filesize

    648KB

  • memory/2952-32-0x0000000074A40000-0x000000007512E000-memory.dmp

    Filesize

    6.9MB

  • memory/2972-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2972-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2972-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2972-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2972-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2972-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2972-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2972-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB