Analysis

  • max time kernel
    292s
  • max time network
    250s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    05-05-2024 22:57

General

  • Target

    cd729dfc0822e7934b558cf3c6e5a1400221ee02d7ebba1eb982b8059dc80976.exe

  • Size

    1.9MB

  • MD5

    0d1e278fffdf78a7a565c14c23faa429

  • SHA1

    ff51290aa5f5bc15004de00a727283474a9b2980

  • SHA256

    cd729dfc0822e7934b558cf3c6e5a1400221ee02d7ebba1eb982b8059dc80976

  • SHA512

    84a027d91fe1a83238719892087aab6890025d89cead0ba6575cc219d5074d610898e0be780f667b271e9a2dec07d0eb653b330ffb831cc2df3933d4f915aa0c

  • SSDEEP

    49152:wKkZGPrfnwGgjJf3j8PCKvkdg8E2gdFd/+PBqI+K+lK:wKrrfwG6f3jG8dREVFC4

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Signatures

  • Amadey

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Blocklisted process makes network request 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 1 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 13 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd729dfc0822e7934b558cf3c6e5a1400221ee02d7ebba1eb982b8059dc80976.exe
    "C:\Users\Admin\AppData\Local\Temp\cd729dfc0822e7934b558cf3c6e5a1400221ee02d7ebba1eb982b8059dc80976.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:936
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
      2⤵
      • 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
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1276
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:2728
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\627615824406_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2724
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          PID:1868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll

      Filesize

      109KB

      MD5

      726cd06231883a159ec1ce28dd538699

      SHA1

      404897e6a133d255ad5a9c26ac6414d7134285a2

      SHA256

      12fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46

      SHA512

      9ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e

    • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll

      Filesize

      1.2MB

      MD5

      15a42d3e4579da615a384c717ab2109b

      SHA1

      22aeedeb2307b1370cdab70d6a6b6d2c13ad2301

      SHA256

      3c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103

      SHA512

      1eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444

    • \Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe

      Filesize

      1.9MB

      MD5

      0d1e278fffdf78a7a565c14c23faa429

      SHA1

      ff51290aa5f5bc15004de00a727283474a9b2980

      SHA256

      cd729dfc0822e7934b558cf3c6e5a1400221ee02d7ebba1eb982b8059dc80976

      SHA512

      84a027d91fe1a83238719892087aab6890025d89cead0ba6575cc219d5074d610898e0be780f667b271e9a2dec07d0eb653b330ffb831cc2df3933d4f915aa0c

    • memory/936-1-0x0000000077C10000-0x0000000077C12000-memory.dmp

      Filesize

      8KB

    • memory/936-2-0x0000000000181000-0x00000000001B0000-memory.dmp

      Filesize

      188KB

    • memory/936-3-0x0000000000180000-0x0000000000653000-memory.dmp

      Filesize

      4.8MB

    • memory/936-5-0x0000000000180000-0x0000000000653000-memory.dmp

      Filesize

      4.8MB

    • memory/936-16-0x0000000000180000-0x0000000000653000-memory.dmp

      Filesize

      4.8MB

    • memory/936-14-0x00000000068C0000-0x0000000006D93000-memory.dmp

      Filesize

      4.8MB

    • memory/936-0-0x0000000000180000-0x0000000000653000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-66-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-71-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-22-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-23-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-24-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-19-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-90-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-89-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-49-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-48-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-18-0x0000000001391000-0x00000000013C0000-memory.dmp

      Filesize

      188KB

    • memory/2600-63-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-64-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-65-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-17-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-67-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-68-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-69-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-70-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-21-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-72-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-73-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-74-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-75-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-76-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-77-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-78-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-79-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-80-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-81-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-82-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-83-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-84-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-85-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-86-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-87-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2600-88-0x0000000001390000-0x0000000001863000-memory.dmp

      Filesize

      4.8MB

    • memory/2724-46-0x000000001B600000-0x000000001B8E2000-memory.dmp

      Filesize

      2.9MB

    • memory/2724-47-0x0000000002070000-0x0000000002078000-memory.dmp

      Filesize

      32KB