Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2024 12:56

General

  • Target

    d4d873be4406e74df951d8ec2781150c426663904bf44e504fafa7d70b0e7099_Sigmanly.exe

  • Size

    2.9MB

  • MD5

    9765ac8d5874ba1323875aa901871db6

  • SHA1

    376dcb324421e41140e2ff169c2e3f2c39625fe1

  • SHA256

    d4d873be4406e74df951d8ec2781150c426663904bf44e504fafa7d70b0e7099

  • SHA512

    e3b56ccdb50d10de0bedf9067d2d19e16c01feb0116bfa429f9c027dd1c58261f104fceb64ea1bccb04b3f6cde2089431e6f7a2bf863bae6d7eb0163e761aac3

  • SSDEEP

    49152:Bmk5SFVjS0dcpj+RbpQ2nWy8uu5PJY+e8iVVsaz:BVSzjS0Spj+Fy2nB8V5PC+9YVsa

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Signatures

  • Amadey

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

  • Amadey family
  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Gcleaner family
  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 6 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 12 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Identifies Wine through registry keys 2 TTPs 6 IoCs

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

  • 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 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4d873be4406e74df951d8ec2781150c426663904bf44e504fafa7d70b0e7099_Sigmanly.exe
    "C:\Users\Admin\AppData\Local\Temp\d4d873be4406e74df951d8ec2781150c426663904bf44e504fafa7d70b0e7099_Sigmanly.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks computer location settings
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3532
      • C:\Users\Admin\AppData\Local\Temp\1019383001\d01500c8bb.exe
        "C:\Users\Admin\AppData\Local\Temp\1019383001\d01500c8bb.exe"
        3⤵
        • Enumerates VirtualBox registry keys
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3948
      • C:\Users\Admin\AppData\Local\Temp\1019384001\6fc751b12c.exe
        "C:\Users\Admin\AppData\Local\Temp\1019384001\6fc751b12c.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1644
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 644
          4⤵
          • Program crash
          PID:4800
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1644 -ip 1644
    1⤵
      PID:348
    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:2840
    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:184

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\2YUS9Q6F\download[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • C:\Users\Admin\AppData\Local\Temp\1019383001\d01500c8bb.exe

      Filesize

      4.2MB

      MD5

      4a09a81ebf7bee536d365270fcb2f9ac

      SHA1

      5d6388be06c33c95a80c35f960394eda8baf603e

      SHA256

      05fd14fc6511ac0a2c1460c5a17470ae35993174bbcbe7e8d0e9a36ca148aa66

      SHA512

      8bf24c9d3c18930fd0d0f83a6ab28204ebe178119b36c1034d0e594040eedba5849769a078ebd82dccc0624b2cc3cd3815c5a928bdf34ef6c4da79d422a4f7ad

    • C:\Users\Admin\AppData\Local\Temp\1019384001\6fc751b12c.exe

      Filesize

      1.8MB

      MD5

      7d259326e9642c8a13d30573dafe3d90

      SHA1

      fc5ba1d2215d2785b5223f501ce0254973adad2c

      SHA256

      cb6b4bb0b3fc19a3626bd33f40f4399e667db405f4ac56b69b2b271816df371b

      SHA512

      ddb2e84a2f3e88eda5f4c847a7bb836fc7eff26d6d47d5e74bc27180f6f346b78cb5d4aa35040b6be0f24e53651024ea59a9623f83c939762ccc216a567e4fbb

    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe

      Filesize

      2.9MB

      MD5

      9765ac8d5874ba1323875aa901871db6

      SHA1

      376dcb324421e41140e2ff169c2e3f2c39625fe1

      SHA256

      d4d873be4406e74df951d8ec2781150c426663904bf44e504fafa7d70b0e7099

      SHA512

      e3b56ccdb50d10de0bedf9067d2d19e16c01feb0116bfa429f9c027dd1c58261f104fceb64ea1bccb04b3f6cde2089431e6f7a2bf863bae6d7eb0163e761aac3

    • memory/184-107-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/184-106-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/220-1-0x0000000077034000-0x0000000077036000-memory.dmp

      Filesize

      8KB

    • memory/220-2-0x0000000000411000-0x000000000043F000-memory.dmp

      Filesize

      184KB

    • memory/220-3-0x0000000000410000-0x000000000072B000-memory.dmp

      Filesize

      3.1MB

    • memory/220-4-0x0000000000410000-0x000000000072B000-memory.dmp

      Filesize

      3.1MB

    • memory/220-17-0x0000000000410000-0x000000000072B000-memory.dmp

      Filesize

      3.1MB

    • memory/220-0-0x0000000000410000-0x000000000072B000-memory.dmp

      Filesize

      3.1MB

    • memory/1644-81-0x0000000000400000-0x0000000000C4D000-memory.dmp

      Filesize

      8.3MB

    • memory/1644-94-0x0000000000400000-0x0000000000C4D000-memory.dmp

      Filesize

      8.3MB

    • memory/1644-88-0x0000000000400000-0x0000000000C4D000-memory.dmp

      Filesize

      8.3MB

    • memory/1644-63-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/1644-73-0x0000000000400000-0x0000000000C4D000-memory.dmp

      Filesize

      8.3MB

    • memory/1644-58-0x0000000000400000-0x0000000000C4D000-memory.dmp

      Filesize

      8.3MB

    • memory/2840-97-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/2840-98-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-95-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-102-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-110-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-109-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-72-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-42-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-41-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-108-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-79-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-18-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-85-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-19-0x0000000000CF1000-0x0000000000D1F000-memory.dmp

      Filesize

      184KB

    • memory/3532-38-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-22-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-21-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-20-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-99-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-100-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-101-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-104-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3532-103-0x0000000000CF0000-0x000000000100B000-memory.dmp

      Filesize

      3.1MB

    • memory/3948-67-0x0000000000240000-0x0000000000EB4000-memory.dmp

      Filesize

      12.5MB

    • memory/3948-39-0x0000000000240000-0x0000000000EB4000-memory.dmp

      Filesize

      12.5MB

    • memory/3948-40-0x0000000000240000-0x0000000000EB4000-memory.dmp

      Filesize

      12.5MB

    • memory/3948-76-0x0000000000240000-0x0000000000EB4000-memory.dmp

      Filesize

      12.5MB

    • memory/3948-69-0x0000000000240000-0x0000000000EB4000-memory.dmp

      Filesize

      12.5MB

    • memory/3948-68-0x0000000000240000-0x0000000000EB4000-memory.dmp

      Filesize

      12.5MB