Analysis

  • max time kernel
    119s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 10:52

General

  • Target

    new order 20240508.exe

  • Size

    718KB

  • MD5

    3eab2ec0952fe52597a10c88159b7482

  • SHA1

    2bd00faaa5c9745d740bea38b3d0587a02730d44

  • SHA256

    c0ae27c0767de2e6b05cc55f4cc1fce721cb7efcaffeb931dc32d92cfa0262f1

  • SHA512

    f167eb3a09d9863af86f3a0eab9cbc9c572806d5f1d78689117d79a183259944991499319602753d189f864bfc75cca224f46c57cd9771aeb992c4574329b016

  • SSDEEP

    12288:uVniETpbaFzm9oFoV4oC9HcpKXAaCHLbi+kQK0HUHQX1pFvLpPJ:47bemuYCmpU2X/D1pFNPJ

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 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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).

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe
    "C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GcZQLEhUkb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1468
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GcZQLEhUkb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp317C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2100
    • C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe
      "C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp317C.tmp

          Filesize

          1KB

          MD5

          d6128259aae11cf49b93d283e66ca03c

          SHA1

          289b381f99dff27cdf6f00865c88260ba7aaacd2

          SHA256

          8831eea4f83346116acedab8381fe365e8df411aac864bd20d72601f0d85dbce

          SHA512

          18a709762846bea2dec2588b3c2e220af7e58bf2c25404e1b37d5ddc740bb5252a6ac34a27a3ae8dc8440979dacd1c9154c5bce58ee3beb32329ddb4bde43010

        • memory/836-27-0x0000000074440000-0x0000000074B2E000-memory.dmp

          Filesize

          6.9MB

        • memory/836-1-0x0000000000D50000-0x0000000000E08000-memory.dmp

          Filesize

          736KB

        • memory/836-2-0x0000000074440000-0x0000000074B2E000-memory.dmp

          Filesize

          6.9MB

        • memory/836-3-0x0000000000970000-0x000000000098E000-memory.dmp

          Filesize

          120KB

        • memory/836-4-0x0000000000A00000-0x0000000000A10000-memory.dmp

          Filesize

          64KB

        • memory/836-5-0x0000000000A10000-0x0000000000A26000-memory.dmp

          Filesize

          88KB

        • memory/836-6-0x0000000005870000-0x00000000058F4000-memory.dmp

          Filesize

          528KB

        • memory/836-0-0x000000007444E000-0x000000007444F000-memory.dmp

          Filesize

          4KB

        • memory/2612-14-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2612-23-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2612-26-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2612-24-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2612-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2612-20-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2612-16-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2612-18-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB