Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/11/2024, 04:41

General

  • Target

    d90c61a0a10d5e62fbf8223c15fd9b2e05a25426294b67113286e39848b5423e.exe

  • Size

    835KB

  • MD5

    3532d8ab3600b59b2ddbec97094ef831

  • SHA1

    3da6ac379af8fef17b6108f6610af07edee30163

  • SHA256

    d90c61a0a10d5e62fbf8223c15fd9b2e05a25426294b67113286e39848b5423e

  • SHA512

    10e9036a685104bc702a617eb83b89c25273a43362446fbedef7dee44615be832e593475eb4b14b962b2d673766f3339f051d11683619d759f4cd0137f150225

  • SSDEEP

    12288:g7/9WflU/9dlqGzq1ejQrMR6DaoLLeM1+kFqMKj5/A:8ylUdqGW1iCM+S9kQ9/

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 4 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
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d90c61a0a10d5e62fbf8223c15fd9b2e05a25426294b67113286e39848b5423e.exe
    "C:\Users\Admin\AppData\Local\Temp\d90c61a0a10d5e62fbf8223c15fd9b2e05a25426294b67113286e39848b5423e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\baVCPoYOaSVn.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2760
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\baVCPoYOaSVn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9914.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2092
    • C:\Users\Admin\AppData\Local\Temp\d90c61a0a10d5e62fbf8223c15fd9b2e05a25426294b67113286e39848b5423e.exe
      "C:\Users\Admin\AppData\Local\Temp\d90c61a0a10d5e62fbf8223c15fd9b2e05a25426294b67113286e39848b5423e.exe"
      2⤵
        PID:2676
      • C:\Users\Admin\AppData\Local\Temp\d90c61a0a10d5e62fbf8223c15fd9b2e05a25426294b67113286e39848b5423e.exe
        "C:\Users\Admin\AppData\Local\Temp\d90c61a0a10d5e62fbf8223c15fd9b2e05a25426294b67113286e39848b5423e.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2704

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9914.tmp

      Filesize

      1KB

      MD5

      833eefdfa9587e4d97588011e5df6b8d

      SHA1

      baba7033f07b61e7643d809a8fe144f404056301

      SHA256

      57b9472e209a3c39a58da34eba3cf51aae93f871b304d3da48cb6b828418f352

      SHA512

      4a92eef09b3c42d0e50d973607dde7b6cebc9c4504fed4bb7ee94d34ae905cbb3503136fefc5df5224fb8a4460c5560088f801261a16d1e5b2e9157849821b11

    • memory/2704-20-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2704-25-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2704-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2704-26-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2704-27-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2704-18-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2704-16-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2704-22-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2816-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2816-1-0x0000000001180000-0x0000000001258000-memory.dmp

      Filesize

      864KB

    • memory/2816-7-0x0000000005C70000-0x0000000005CDA000-memory.dmp

      Filesize

      424KB

    • memory/2816-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

      Filesize

      4KB

    • memory/2816-6-0x0000000000880000-0x000000000088C000-memory.dmp

      Filesize

      48KB

    • memory/2816-15-0x0000000000380000-0x00000000003B2000-memory.dmp

      Filesize

      200KB

    • memory/2816-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

      Filesize

      6.9MB

    • memory/2816-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

      Filesize

      4KB

    • memory/2816-3-0x00000000005C0000-0x00000000005D2000-memory.dmp

      Filesize

      72KB

    • memory/2816-28-0x0000000074AC0000-0x00000000751AE000-memory.dmp

      Filesize

      6.9MB