Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    13-09-2024 01:46

General

  • Target

    cd911ede1b7b20441b5955a511f13d75ba687eee9ae1b2a5d2b960a36f44d76a.exe

  • Size

    1.2MB

  • MD5

    c40b40bfaf8696cd282ccb46929c4f2e

  • SHA1

    f929cfe6fa8c590ecdf4c53071769689493eda90

  • SHA256

    cd911ede1b7b20441b5955a511f13d75ba687eee9ae1b2a5d2b960a36f44d76a

  • SHA512

    deb90700f1efc9acd0b71498f522b3189e35573c10abbdb92877851fc2bb027731e71036c8ffc3cd46eb2706cc666f1bfd0c57b32ce05705e0e97eadc652b4d1

  • SSDEEP

    12288:E5MFKLltmvsXEuXfHgYxJig3Qt5qUu34HE1YQ/e9i72l:VFKOv0fHgYxJigKHE1YQWkE

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 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd911ede1b7b20441b5955a511f13d75ba687eee9ae1b2a5d2b960a36f44d76a.exe
    "C:\Users\Admin\AppData\Local\Temp\cd911ede1b7b20441b5955a511f13d75ba687eee9ae1b2a5d2b960a36f44d76a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3040
    • 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\cd911ede1b7b20441b5955a511f13d75ba687eee9ae1b2a5d2b960a36f44d76a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2316
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uNcbBGFuPZgDr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1492
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uNcbBGFuPZgDr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF8C0.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2760
    • C:\Users\Admin\AppData\Local\Temp\cd911ede1b7b20441b5955a511f13d75ba687eee9ae1b2a5d2b960a36f44d76a.exe
      "C:\Users\Admin\AppData\Local\Temp\cd911ede1b7b20441b5955a511f13d75ba687eee9ae1b2a5d2b960a36f44d76a.exe"
      2⤵
        PID:2908
      • C:\Users\Admin\AppData\Local\Temp\cd911ede1b7b20441b5955a511f13d75ba687eee9ae1b2a5d2b960a36f44d76a.exe
        "C:\Users\Admin\AppData\Local\Temp\cd911ede1b7b20441b5955a511f13d75ba687eee9ae1b2a5d2b960a36f44d76a.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2196

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpF8C0.tmp

      Filesize

      1KB

      MD5

      7497ffb79ba8931c821d61baa5fe52c9

      SHA1

      4be6f7283bd82e639236684a32ee23b74d58d335

      SHA256

      cc3894cdd29ea4cf8277488dd9a7c3a246c3c0d5078df4a374d81aad3b084e31

      SHA512

      1189a75a2832e4bfe5204e060403f787d893f31e572e28a254de54230577d0caa74168910aa778a3fc1eb67c6ffa27665ea19b441ea09fa86904ffe9de256d2e

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

      Filesize

      7KB

      MD5

      f47894f90ec0617eb579adf787607064

      SHA1

      aaa8a4d780d41ee7b9ab517a66419b1b4e57dc8c

      SHA256

      0a7e351f29299a6b08dec8b811f86a199c474d73a0076a689ab92f252e639f20

      SHA512

      195ac68bbc9f71d3f915d653cb043b02cbcc666453eccabed37e9d115e5498098be904ac978e5716690b9e54c3d4d306999ec57c315bdd2cdc5b24a7a994fc33

    • memory/2196-28-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2196-31-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2196-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2196-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2196-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2196-25-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2196-29-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2196-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3040-6-0x00000000053E0000-0x0000000005464000-memory.dmp

      Filesize

      528KB

    • memory/3040-1-0x0000000001110000-0x00000000011B2000-memory.dmp

      Filesize

      648KB

    • memory/3040-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

      Filesize

      4KB

    • memory/3040-2-0x0000000074C90000-0x000000007537E000-memory.dmp

      Filesize

      6.9MB

    • memory/3040-3-0x00000000002E0000-0x00000000002F0000-memory.dmp

      Filesize

      64KB

    • memory/3040-5-0x0000000074C90000-0x000000007537E000-memory.dmp

      Filesize

      6.9MB

    • memory/3040-4-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

      Filesize

      4KB

    • memory/3040-32-0x0000000074C90000-0x000000007537E000-memory.dmp

      Filesize

      6.9MB