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
    02-10-2024 07:45

General

  • Target

    tmp5inh3zk1.exe

  • Size

    733KB

  • MD5

    c80a6ab88197ae041f37e89de88c432c

  • SHA1

    2ff5a4f5d4c598e910a331e04dcc17a6a8c0cd82

  • SHA256

    b653369d65923416167ddd72e78411fed77a2b7be24bf6c1eba06512a232594a

  • SHA512

    7892a721f51a7d686129638ee47c4f7f15cdaaa221004cb4a52fde29111c44aac03b3a7dcc3044ae624f07870cedc00cc0e884e1801432d6bb9e6511acc0cdb9

  • SSDEEP

    12288:+L7WTG4meL6865A0phF2/lDHwu+yIlohn+9T5FfbsCsaYbRu:MSTVh6RNQIlo03NsCTIR

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Looks up external IP address via web service 3 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 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp5inh3zk1.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp5inh3zk1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2512
    • 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\tmp5inh3zk1.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1296
    • C:\Users\Admin\AppData\Local\Temp\tmp5inh3zk1.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp5inh3zk1.exe"
      2⤵
        PID:2280
      • C:\Users\Admin\AppData\Local\Temp\tmp5inh3zk1.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp5inh3zk1.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2512-0-0x000000007429E000-0x000000007429F000-memory.dmp

      Filesize

      4KB

    • memory/2512-1-0x0000000000230000-0x00000000002EE000-memory.dmp

      Filesize

      760KB

    • memory/2512-2-0x0000000074290000-0x000000007497E000-memory.dmp

      Filesize

      6.9MB

    • memory/2512-3-0x0000000000890000-0x00000000008AA000-memory.dmp

      Filesize

      104KB

    • memory/2512-4-0x000000007429E000-0x000000007429F000-memory.dmp

      Filesize

      4KB

    • memory/2512-5-0x0000000074290000-0x000000007497E000-memory.dmp

      Filesize

      6.9MB

    • memory/2512-6-0x0000000004E20000-0x0000000004EA4000-memory.dmp

      Filesize

      528KB

    • memory/2512-25-0x0000000074290000-0x000000007497E000-memory.dmp

      Filesize

      6.9MB

    • memory/2736-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2736-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2736-17-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2736-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2736-13-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2736-9-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2736-8-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2736-22-0x0000000074290000-0x000000007497E000-memory.dmp

      Filesize

      6.9MB

    • memory/2736-12-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2736-26-0x0000000074290000-0x000000007497E000-memory.dmp

      Filesize

      6.9MB