Analysis

  • max time kernel
    37s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/05/2024, 17:01

General

  • Target

    b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859.exe

  • Size

    706KB

  • MD5

    d9307c948c324d081e572845ffb7cabc

  • SHA1

    1669ced0e46deaaffb404725fa3162c540d6f086

  • SHA256

    b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859

  • SHA512

    15da0817042a81737a10c7ffe930b2b699aa4d21c46d2e594024ef34c4f2473cf1d455eb40c31dabc8b02bea1f5555a3593c81aff485639cffa5ed2d6653db47

  • SSDEEP

    12288:xM2iN3skSKSIwFl9e4FgHFyemxZipNU9jhDDLaZlwRyUqg8M1G3KUr/p:xM19JSNIe9e8g/sZiM9jx8iyHg8gGnrh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.jeepcommerce.rs
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Cgn+Udqt0F%y

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 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859.exe
    "C:\Users\Admin\AppData\Local\Temp\b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2276
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FbdRhPcJCCilTU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FbdRhPcJCCilTU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp34C6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2672

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp34C6.tmp

          Filesize

          1KB

          MD5

          ce7f03988d654e773a9c1faf95337b49

          SHA1

          88887c4a8448947b4a6a4518d63377feff6f8036

          SHA256

          761619c97feef9ea6346502fbcf640745b7fa4f1c33ce28eceae71d52f3d087a

          SHA512

          8fdede839d6bc26d47a8a0a56cb2f3b2a58fd755ca658834caa0a971e4b88381d699e521479c8922e3599e860baa2b8bbc23cb48687e6560910959386e04325a

        • memory/2276-0-0x000000007420E000-0x000000007420F000-memory.dmp

          Filesize

          4KB

        • memory/2276-1-0x0000000000B20000-0x0000000000BD6000-memory.dmp

          Filesize

          728KB

        • memory/2276-2-0x0000000074200000-0x00000000748EE000-memory.dmp

          Filesize

          6.9MB

        • memory/2276-3-0x0000000000570000-0x000000000058E000-memory.dmp

          Filesize

          120KB

        • memory/2276-4-0x0000000000270000-0x0000000000280000-memory.dmp

          Filesize

          64KB

        • memory/2276-5-0x0000000005150000-0x00000000051D4000-memory.dmp

          Filesize

          528KB

        • memory/2276-11-0x00000000021F0000-0x0000000002232000-memory.dmp

          Filesize

          264KB

        • memory/2276-14-0x000000007420E000-0x000000007420F000-memory.dmp

          Filesize

          4KB

        • memory/2276-15-0x0000000074200000-0x00000000748EE000-memory.dmp

          Filesize

          6.9MB