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Analysis

  • max time kernel
    1800s
  • max time network
    1808s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    17/07/2024, 19:21

General

  • Target

    15f7ea290d832bc32ebf660690b42616264fc0be8969934c1f8d7e5a5d3cd18c.exe

  • Size

    473KB

  • MD5

    aadb6e0f1cc845e196570e800380fe85

  • SHA1

    72b088cf546c36b6dda67cfb430874f83645397f

  • SHA256

    15f7ea290d832bc32ebf660690b42616264fc0be8969934c1f8d7e5a5d3cd18c

  • SHA512

    55ba8c4734b9fb1c08b3c0be3c6c524a265aa1d3dc4a9f3a2f97f172c2913fc66ea7a002ad877d786e03db54b0a35f3244e9230c49fb30c6c6284404cffaf1b7

  • SSDEEP

    6144:ULIaDW2Dm6jNkcZjvw6RQVe0yV4JMaT710E5BmutiO3XwGk/Rz+wLefC9rB6uN:XaiajeUjvw6RQHVJMau43XwG25NW4rd

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks for common network interception software 1 TTPs

    Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

  • Contacts a large (3341) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VirtualBox drivers on disk 2 TTPs 1 IoCs
  • ModiLoader Second Stage 55 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15f7ea290d832bc32ebf660690b42616264fc0be8969934c1f8d7e5a5d3cd18c.exe
    "C:\Users\Admin\AppData\Local\Temp\15f7ea290d832bc32ebf660690b42616264fc0be8969934c1f8d7e5a5d3cd18c.exe"
    1⤵
      PID:1908
    • C:\Windows\system32\mshta.exe
      "C:\Windows\system32\mshta.exe" javascript:xvc4Lf="XKB";c8B=new%20ActiveXObject("WScript.Shell");bU52Mp="S8KO9d2";Zqw4T=c8B.RegRead("HKCU\\software\\MbT4xfZHg\\YvWEperkW");zcFEd6="fKIkkxq";eval(Zqw4T);BhVKP3="hL";
      1⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" iex $env:ywxeify
        2⤵
        • Drops file in System32 directory
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2532
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32.exe
          3⤵
          • Looks for VirtualBox Guest Additions in registry
          • Looks for VirtualBox drivers on disk
          • Looks for VMWare Tools registry key
          • Checks BIOS information in registry
          • Deletes itself
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Suspicious use of SetThreadContext
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2980
          • C:\Windows\SysWOW64\regsvr32.exe
            "C:\Windows\SysWOW64\regsvr32.exe"
            4⤵
              PID:2320
            • C:\Windows\SysWOW64\regsvr32.exe
              "C:\Windows\SysWOW64\regsvr32.exe"
              4⤵
                PID:552

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\1e38\1df6.bat

          Filesize

          64B

          MD5

          1c9e72d731f5c121e6f6c97393964a33

          SHA1

          539f396f83f13f16b2fa1c32c2284d4028496998

          SHA256

          5e62f16dca0f2d56fe0ee602a2322b8d13cf012e61729b6c77d1eed4abbf6ad3

          SHA512

          c3543caf65e8c92abcdc6e1b638d07e1c83189d8a45e0d75d3b319757f3a15519943ab89684c12d68709b861e880d1c8fef476519d46dd8e8feb4c276f3d6810

        • C:\Users\Admin\AppData\Local\1e38\fcfb.4407a

          Filesize

          7KB

          MD5

          b7177f7256644a0a25b0b11780d897ed

          SHA1

          a64e6deb3eac0eae2bdb0f39a416da7f95ac2538

          SHA256

          625b7f0148bcc275147c2c7767264d34198e37caf383e9b8d8d951f308465400

          SHA512

          02d6183d4204e5c6cf10d3e1315dcf9628f3b52a8d69e621c0dbcbf51fcbba731f1f4de23db581471e0ea9d98e2b746a08662101b238f234adc19fd91bb71bb8

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NFAY0EOS\DT4F2KTM.htm

          Filesize

          1KB

          MD5

          1bee6cfdca46274b96e3eddea0af129d

          SHA1

          953c591fc7d396011f2e362de0811009c29306f4

          SHA256

          74fc953c8af930fc86c885c3b2fb37936cdac9c56f950fec8f3fdab5bd12002e

          SHA512

          ebd057ece641399f6aa979415afffd19d8528918cfec35cc3d16aaa2788e2f10fe01d6ce31463663713f9fd44baef68d2fa00d5687ea02a76d9b620e666933e6

        • C:\Users\Admin\AppData\Local\Temp\CabB389.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar8B15.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • memory/1908-8-0x0000000001E30000-0x0000000001F0C000-memory.dmp

          Filesize

          880KB

        • memory/1908-5-0x0000000001E30000-0x0000000001F0C000-memory.dmp

          Filesize

          880KB

        • memory/1908-7-0x0000000000400000-0x00000000004800B4-memory.dmp

          Filesize

          512KB

        • memory/1908-57-0x0000000001E30000-0x0000000001F0C000-memory.dmp

          Filesize

          880KB

        • memory/1908-9-0x0000000001E30000-0x0000000001F0C000-memory.dmp

          Filesize

          880KB

        • memory/1908-14-0x0000000000471000-0x0000000000473000-memory.dmp

          Filesize

          8KB

        • memory/1908-4-0x0000000001E30000-0x0000000001F0C000-memory.dmp

          Filesize

          880KB

        • memory/1908-1-0x0000000000400000-0x00000000004800B4-memory.dmp

          Filesize

          512KB

        • memory/1908-3-0x0000000001E30000-0x0000000001F0C000-memory.dmp

          Filesize

          880KB

        • memory/1908-0-0x0000000000471000-0x0000000000473000-memory.dmp

          Filesize

          8KB

        • memory/1908-2-0x0000000001E30000-0x0000000001F0C000-memory.dmp

          Filesize

          880KB

        • memory/1908-6-0x0000000001E30000-0x0000000001F0C000-memory.dmp

          Filesize

          880KB

        • memory/2320-67-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-70-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-74-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-63-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-64-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-65-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-66-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-73-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-68-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-69-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-72-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2320-71-0x0000000000130000-0x000000000027A000-memory.dmp

          Filesize

          1.3MB

        • memory/2532-19-0x0000000005D30000-0x0000000005E0C000-memory.dmp

          Filesize

          880KB

        • memory/2532-15-0x00000000050D0000-0x00000000050D1000-memory.dmp

          Filesize

          4KB

        • memory/2532-16-0x0000000005D30000-0x0000000005E0C000-memory.dmp

          Filesize

          880KB

        • memory/2980-20-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-46-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-45-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-44-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-43-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-42-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-47-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-48-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-54-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-49-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-41-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-36-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-28-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-29-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-31-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-32-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-33-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-34-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-40-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-38-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-37-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-27-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-26-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-24-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-23-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-21-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-35-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-30-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-25-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-22-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB

        • memory/2980-17-0x0000000000150000-0x000000000029A000-memory.dmp

          Filesize

          1.3MB