Analysis

  • max time kernel
    147s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 19:54

General

  • Target

    048802231eccee2a6db341d1a4e92b2b1671eb287da215ad35fcf2bad70fa700.exe

  • Size

    2.4MB

  • MD5

    58972b34ce77f8d7bbaa3f5b5344db20

  • SHA1

    a3dc18dbe5abb0fffe62427366ff5f52e16a28a7

  • SHA256

    048802231eccee2a6db341d1a4e92b2b1671eb287da215ad35fcf2bad70fa700

  • SHA512

    4539e1723d3595faa2d53488623d33cd94d06ece1503e9359dabaa7fb6184cc63717f5d8d25ada897603ee40381ab881789b793776fab97b8f8c619cd2da133e

  • SSDEEP

    49152:xe/sgWc1/Ae5JRanw2xCrrkOzWmwwtxVqsSZL6+QbGpNwOxlZ2cRDvZQDEJ7Yr6Q:E/sgdIe5J72sk4wwPIgk++72cpn9Y

Malware Config

Extracted

Family

stealc

Botnet

jony

C2

http://85.28.47.4

Attributes
  • url_path

    /920475a59bac849d.php

Extracted

Family

amadey

Version

4.30

Botnet

4dd39d

C2

http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Stealc

    Stealc is an infostealer written in C++.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\048802231eccee2a6db341d1a4e92b2b1671eb287da215ad35fcf2bad70fa700.exe
    "C:\Users\Admin\AppData\Local\Temp\048802231eccee2a6db341d1a4e92b2b1671eb287da215ad35fcf2bad70fa700.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KEGDAKEHJD.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Users\Admin\AppData\Local\Temp\KEGDAKEHJD.exe
        "C:\Users\Admin\AppData\Local\Temp\KEGDAKEHJD.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
          "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
          4⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Identifies Wine through registry keys
          • Loads dropped DLL
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2368
          • C:\Users\Admin\AppData\Local\Temp\1000006001\ba495385b6.exe
            "C:\Users\Admin\AppData\Local\Temp\1000006001\ba495385b6.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:1484
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BKEBFHIJEC.exe"
      2⤵
        PID:1624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1000006001\ba495385b6.exe

      Filesize

      2.4MB

      MD5

      f7f2373c7005d9978782be75bef6a1c4

      SHA1

      24523818e79c6ccc38c90de912743552e98be2be

      SHA256

      bf5ba13df7f7549e987f77091823fd0f77ba7fd4514000e60ad9a4c28f949c13

      SHA512

      26e4a9ba65207c91dd181c5010d051838d6172dcbfc165aa750cbe72297dde0b0c0e54b024a6cba070089f3ac5f943d67ba779ee64f78a8f37b425f274f607d8

    • C:\Users\Admin\AppData\Local\Temp\KEGDAKEHJD.exe

      Filesize

      1.8MB

      MD5

      4391cc413e2c6880cac804fdbfc6b3e3

      SHA1

      656e598cdd4a9fe2a4bb53d72ac9a380f60f0948

      SHA256

      428c8a4afe59f8fbce285237357ca98e38e08206a671caa2477c3b1fcc000450

      SHA512

      539dc59920115be09f49702b7e7d0edaf912d72e1df9ec1d78a81c74cd5e7030789d74dd85c295591e71d259bcacd81d98533ac0ff6faef712ce44e4e8a7d605

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/1484-150-0x0000000000F90000-0x0000000001B6F000-memory.dmp

      Filesize

      11.9MB

    • memory/1484-147-0x0000000000F90000-0x0000000001B6F000-memory.dmp

      Filesize

      11.9MB

    • memory/1704-66-0x0000000000C80000-0x0000000001878000-memory.dmp

      Filesize

      12.0MB

    • memory/1704-43-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/1704-42-0x0000000000C80000-0x0000000001878000-memory.dmp

      Filesize

      12.0MB

    • memory/1704-0-0x0000000000C80000-0x0000000001878000-memory.dmp

      Filesize

      12.0MB

    • memory/1704-67-0x0000000000C80000-0x0000000001878000-memory.dmp

      Filesize

      12.0MB

    • memory/1704-71-0x0000000000C80000-0x0000000001878000-memory.dmp

      Filesize

      12.0MB

    • memory/1704-41-0x0000000000C80000-0x0000000001878000-memory.dmp

      Filesize

      12.0MB

    • memory/1704-1-0x000000007EBD0000-0x000000007EFA1000-memory.dmp

      Filesize

      3.8MB

    • memory/1704-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/1704-31-0x0000000000C80000-0x0000000001878000-memory.dmp

      Filesize

      12.0MB

    • memory/1932-151-0x0000000000DE0000-0x0000000001288000-memory.dmp

      Filesize

      4.7MB

    • memory/1932-87-0x0000000000DE0000-0x0000000001288000-memory.dmp

      Filesize

      4.7MB

    • memory/1932-124-0x0000000000DE0000-0x0000000001288000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-144-0x00000000063B0000-0x0000000006F8F000-memory.dmp

      Filesize

      11.9MB

    • memory/2368-159-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-163-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-127-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-125-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-162-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-152-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-153-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-154-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-155-0x00000000063B0000-0x0000000006F8F000-memory.dmp

      Filesize

      11.9MB

    • memory/2368-156-0x00000000063B0000-0x0000000006F8F000-memory.dmp

      Filesize

      11.9MB

    • memory/2368-157-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-158-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-146-0x00000000063B0000-0x0000000006F8F000-memory.dmp

      Filesize

      11.9MB

    • memory/2368-160-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2368-161-0x0000000000D20000-0x00000000011C8000-memory.dmp

      Filesize

      4.7MB

    • memory/2488-85-0x0000000001DD0000-0x0000000002278000-memory.dmp

      Filesize

      4.7MB

    • memory/2488-145-0x0000000001DD0000-0x0000000002278000-memory.dmp

      Filesize

      4.7MB