Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 02:02

General

  • Target

    017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe

  • Size

    1.8MB

  • MD5

    fcef19f8625006d98f0f55d5723b5298

  • SHA1

    4944a4b08c759e674cc37fdaedeea148ef758744

  • SHA256

    017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08

  • SHA512

    23af21f03a7a863baf5618be447297f06f35283f1d5e13fc9c8ee109bb6526cdedeaa16df559d9e42c909fa197aa67db7c64929be534f7246db94b27c7992d30

  • SSDEEP

    49152:5WFDSDNlEstMehfBwe/WHGZDPgVW0DW40fNQ2:PNqs+ejL/ZDY50z

Malware Config

Extracted

Family

amadey

Version

5.04

Botnet

4bee07

C2

http://185.215.113.209

Attributes
  • install_dir

    fc9e0aaab7

  • install_file

    defnur.exe

  • strings_key

    191655f008adc880f91bfc85bc56db54

  • url_paths

    /Fru7Nk9/index.php

rc4.plain

Signatures

  • Amadey

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

  • Amadey family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Blocklisted process makes network request 1 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 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 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 3 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe
    "C:\Users\Admin\AppData\Local\Temp\017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • 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:3044
    • C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe
      "C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe"
      2⤵
      • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2872
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1032
      • C:\Users\Admin\AppData\Local\Temp\10004590101\6266fee9e7.exe
        "C:\Users\Admin\AppData\Local\Temp\10004590101\6266fee9e7.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2004
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c start cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\kreon.exe"
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:2028
          • C:\Windows\system32\cmd.exe
            cmd /C "ping localhost -n 1 && start C:\Users\Admin\AppData\Local\kreon.exe"
            5⤵
            • Loads dropped DLL
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:1356
            • C:\Windows\system32\PING.EXE
              ping localhost -n 1
              6⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:2644
            • C:\Users\Admin\AppData\Local\kreon.exe
              C:\Users\Admin\AppData\Local\kreon.exe
              6⤵
              • Executes dropped EXE
              PID:1912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1f3d9fb12aceab35e9d2d80783b24726

    SHA1

    d724a69ba046a0716f20b9b040a136490fee5b23

    SHA256

    d6afc212821ff3aa43cc91fed40c2aa51d288fd59d92d8ab388044e8b92c35dd

    SHA512

    96e604332204c85447f581ae9a50a71ca4aa0485fc29920d78ede7fdcdb10d7d96318f95b47fb15d100052560aad5cda07b261a261622e62988e72d00b440494

  • C:\Users\Admin\AppData\Local\Temp\10004590101\6266fee9e7.exe

    Filesize

    3.5MB

    MD5

    ca480193e4b8159dd1283118ebde8896

    SHA1

    857fb4852f31428ead5e2d9fbd5bfb16d9714d1a

    SHA256

    377717dd342a9169589d1e2c8509d12ceafe9c43b3407ab16771ec611a367a2a

    SHA512

    a49927f1dffe8d14f592e767415c490f4bdc9fb5d7ce45f10f5e6c7aa5c20b79412abc8d4f799cfd88aeeac3ef73f55a9710503a9a612efb5d414ec95a3e7ed9

  • C:\Users\Admin\AppData\Local\Temp\Cab762.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar785.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\fc9e0aaab7\defnur.exe

    Filesize

    1.8MB

    MD5

    fcef19f8625006d98f0f55d5723b5298

    SHA1

    4944a4b08c759e674cc37fdaedeea148ef758744

    SHA256

    017fe2be76b891716b444e4b519e4585177bd04d3b173bde24c28d458631eb08

    SHA512

    23af21f03a7a863baf5618be447297f06f35283f1d5e13fc9c8ee109bb6526cdedeaa16df559d9e42c909fa197aa67db7c64929be534f7246db94b27c7992d30

  • C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll

    Filesize

    124KB

    MD5

    0d3418372c854ee228b78e16ea7059be

    SHA1

    c0a29d4e74d39308a50f4fd21d0cca1f98cb02c1

    SHA256

    885bf0b3b12b77ef3f953fbb48def1b45079faa2a4d574ee16afdbafa1de3ac7

    SHA512

    e30dced307e04ae664367a998cd1ba36349e99e363f70897b5d90c898de2c69c393182c3afba63a74956b5e6f49f0635468e88ed31dd1e3c86c21e987ddd2c19

  • memory/2872-18-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-170-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-177-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-176-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-19-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-20-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-21-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-23-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-24-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-26-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-25-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-27-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-175-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-39-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-174-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-173-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-172-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-171-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-166-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-167-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-168-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/2872-169-0x0000000000EB0000-0x000000000136E000-memory.dmp

    Filesize

    4.7MB

  • memory/3044-14-0x00000000010B0000-0x000000000156E000-memory.dmp

    Filesize

    4.7MB

  • memory/3044-1-0x0000000077730000-0x0000000077732000-memory.dmp

    Filesize

    8KB

  • memory/3044-2-0x00000000010B1000-0x00000000010DF000-memory.dmp

    Filesize

    184KB

  • memory/3044-3-0x00000000010B0000-0x000000000156E000-memory.dmp

    Filesize

    4.7MB

  • memory/3044-4-0x00000000010B0000-0x000000000156E000-memory.dmp

    Filesize

    4.7MB

  • memory/3044-5-0x00000000010B0000-0x000000000156E000-memory.dmp

    Filesize

    4.7MB

  • memory/3044-0-0x00000000010B0000-0x000000000156E000-memory.dmp

    Filesize

    4.7MB

  • memory/3044-16-0x0000000006830000-0x0000000006CEE000-memory.dmp

    Filesize

    4.7MB