Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    20-11-2024 00:49

General

  • Target

    821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe

  • Size

    1.8MB

  • MD5

    b94fa28743249de38b5bd60748d6cdc2

  • SHA1

    d6f97d85fa9f8cb50ec6e4409e3e5d4a670cd6f9

  • SHA256

    821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65

  • SHA512

    d02d7560c74259da98f05716461a8af5f84faffa2046b1c23aa59eba76a87ab30fe0f0510ae3965fa02cf99a9b8948ebec11c07a3e838456a673a04642c8d09a

  • SSDEEP

    49152:e+mvxOEOhyu1HYFC4brAfT6zcYFBAzDb7vYkUG:ApOEO7GAezcYFBWDb7L

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\821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.exe
    "C:\Users\Admin\AppData\Local\Temp\821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65.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:2824
    • 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:2668
      • 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:2120
      • C:\Users\Admin\AppData\Local\Temp\10004090101\370457c9e8.exe
        "C:\Users\Admin\AppData\Local\Temp\10004090101\370457c9e8.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:860
        • 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:468
          • 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:1064
            • C:\Windows\system32\PING.EXE
              ping localhost -n 1
              6⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:1768
            • C:\Users\Admin\AppData\Local\kreon.exe
              C:\Users\Admin\AppData\Local\kreon.exe
              6⤵
              • Executes dropped EXE
              PID:1868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    dc9109763d8781a10bd37c167ea94901

    SHA1

    2c46487b279290c54544ed2d929bbc56762f1706

    SHA256

    3f08b55af2e0f574553e63dcc715657591216d14cd0650b8d5079855fdb4eff3

    SHA512

    921d13517acc8fdc30772db714d90df0c581d6290841ccc5347083b3b90e57767287f7cb509d3ce1681c0fa30e13dde2a02ad201f49457e361730b24e6242321

  • C:\Users\Admin\AppData\Local\Temp\10004090101\370457c9e8.exe

    Filesize

    3.5MB

    MD5

    ca480193e4b8159dd1283118ebde8896

    SHA1

    857fb4852f31428ead5e2d9fbd5bfb16d9714d1a

    SHA256

    377717dd342a9169589d1e2c8509d12ceafe9c43b3407ab16771ec611a367a2a

    SHA512

    a49927f1dffe8d14f592e767415c490f4bdc9fb5d7ce45f10f5e6c7aa5c20b79412abc8d4f799cfd88aeeac3ef73f55a9710503a9a612efb5d414ec95a3e7ed9

  • C:\Users\Admin\AppData\Local\Temp\CabCB9B.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    1.8MB

    MD5

    b94fa28743249de38b5bd60748d6cdc2

    SHA1

    d6f97d85fa9f8cb50ec6e4409e3e5d4a670cd6f9

    SHA256

    821673b648a44cb9d565a0d207102f1012d9123abf5b48388c461e369188fd65

    SHA512

    d02d7560c74259da98f05716461a8af5f84faffa2046b1c23aa59eba76a87ab30fe0f0510ae3965fa02cf99a9b8948ebec11c07a3e838456a673a04642c8d09a

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

    Filesize

    124KB

    MD5

    0d3418372c854ee228b78e16ea7059be

    SHA1

    c0a29d4e74d39308a50f4fd21d0cca1f98cb02c1

    SHA256

    885bf0b3b12b77ef3f953fbb48def1b45079faa2a4d574ee16afdbafa1de3ac7

    SHA512

    e30dced307e04ae664367a998cd1ba36349e99e363f70897b5d90c898de2c69c393182c3afba63a74956b5e6f49f0635468e88ed31dd1e3c86c21e987ddd2c19

  • memory/2668-167-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-171-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-177-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-176-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-19-0x00000000008F1000-0x000000000091F000-memory.dmp

    Filesize

    184KB

  • memory/2668-20-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-22-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-23-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-24-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-25-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-26-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-175-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-38-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-174-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-173-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-172-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-18-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-166-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-170-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-168-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2668-169-0x00000000008F0000-0x0000000000DA2000-memory.dmp

    Filesize

    4.7MB

  • memory/2824-0-0x0000000000300000-0x00000000007B2000-memory.dmp

    Filesize

    4.7MB

  • memory/2824-1-0x0000000076F70000-0x0000000076F72000-memory.dmp

    Filesize

    8KB

  • memory/2824-2-0x0000000000301000-0x000000000032F000-memory.dmp

    Filesize

    184KB

  • memory/2824-3-0x0000000000300000-0x00000000007B2000-memory.dmp

    Filesize

    4.7MB

  • memory/2824-4-0x0000000000300000-0x00000000007B2000-memory.dmp

    Filesize

    4.7MB

  • memory/2824-5-0x0000000000300000-0x00000000007B2000-memory.dmp

    Filesize

    4.7MB

  • memory/2824-15-0x0000000000300000-0x00000000007B2000-memory.dmp

    Filesize

    4.7MB

  • memory/2824-17-0x0000000006EC0000-0x0000000007372000-memory.dmp

    Filesize

    4.7MB