Analysis

  • max time kernel
    118s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 09:27

General

  • Target

    DHL_231437894819.bat.exe

  • Size

    815KB

  • MD5

    5d1d0f26ebb26738d78e964c0a57de2d

  • SHA1

    392ed434f12587a91368fb253f75fd6dffbf25ea

  • SHA256

    c01469ec1500b5bbb7ace40f1823b41e0965607d4fa54497f3dff82712c8070a

  • SHA512

    e3400ef8655c994754fd4e75c5a3ebbb91a4c53638d079e1616d80df0661ec3fb357cbdccdc51d5bdd1a9b4b8ae5466df6d7d70a3dc75831d353324a0bfe03ea

  • SSDEEP

    24576:XjlIhSPd+pl8v00qWGThl9oeg9adzlqmNd8kX:Xjl+SPspl8cVWGThl9MMdzl/Np

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 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL_231437894819.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL_231437894819.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2736
    • 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\DHL_231437894819.bat.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1680
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uvbIwIYe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2596
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uvbIwIYe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC265.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2016
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:1572
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
          PID:584
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1796

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpC265.tmp

        Filesize

        1KB

        MD5

        782333a6b7ad0641f1b307003a29c10b

        SHA1

        9a8c03ada8d26dedd47e948a70450b35d8a2232c

        SHA256

        0efdc18a4e62a013523888f9ffcaf6b2f0e8b82673d4468414e4f4dc8011e6cb

        SHA512

        1d7eba12b391bce1d4ccad49395bbb955c8007b0f40206cf11e95d5165b0499a6e7aebc6792ed8664c0b7c3099430f1f8f5089b44a279dee02231953bd0fbe88

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

        Filesize

        7KB

        MD5

        9c979db86b6a70f1752cf94b99be1af2

        SHA1

        25885c05b29f02856cc3b55f1bae98a30255bb5e

        SHA256

        92d2d31d60726e0a3ee6ce7bac4dc4a60c0daad135098bafe372ac1df528e412

        SHA512

        9c1a058e9a697615f6dc3307bfeba88a711bf42c1aacb513a1b77fbee49b59315ada25864bcd888b8238302707d079d94ac12a880fbfcd5d6cb3608a773ed332

      • memory/1796-28-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1796-29-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1796-21-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1796-23-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1796-25-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1796-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1796-31-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1796-20-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2736-6-0x0000000000440000-0x00000000004C6000-memory.dmp

        Filesize

        536KB

      • memory/2736-1-0x0000000000EA0000-0x0000000000F6E000-memory.dmp

        Filesize

        824KB

      • memory/2736-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

        Filesize

        4KB

      • memory/2736-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

        Filesize

        6.9MB

      • memory/2736-3-0x00000000004E0000-0x0000000000506000-memory.dmp

        Filesize

        152KB

      • memory/2736-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

        Filesize

        6.9MB

      • memory/2736-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

        Filesize

        4KB

      • memory/2736-32-0x0000000074AC0000-0x00000000751AE000-memory.dmp

        Filesize

        6.9MB