Analysis

  • max time kernel
    291s
  • max time network
    255s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    06-05-2024 22:33

General

  • Target

    3b7d0abceb727dc96071b6464ccc4d56b43867a79cfba2d4ea4e8880b820ea85.exe

  • Size

    1.8MB

  • MD5

    5386eade3b9371e6ed7ecc61289f592c

  • SHA1

    4c63c9347a48ab32331df9d48a6b63f5e10bd3db

  • SHA256

    3b7d0abceb727dc96071b6464ccc4d56b43867a79cfba2d4ea4e8880b820ea85

  • SHA512

    37093370227ce093d7325f49c170a0d06ea2c8d856f8718eb5007742daaeca326a562d14b305dafdfbc9459ddb1475fa04bc512206648d676d7a962e77699654

  • SSDEEP

    49152:UUbujNEE1iVWJz8PqMU9LxLV3VLcjIAe6yncBWR:vbOAwYPqb9LVVF6JnIR

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\3b7d0abceb727dc96071b6464ccc4d56b43867a79cfba2d4ea4e8880b820ea85.exe
    "C:\Users\Admin\AppData\Local\Temp\3b7d0abceb727dc96071b6464ccc4d56b43867a79cfba2d4ea4e8880b820ea85.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:2792
    • 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:2420
      • 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:1936
        • 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:348
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:1588
            • 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\248906074286_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:772
        • 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:1296

    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

      1.8MB

      MD5

      5386eade3b9371e6ed7ecc61289f592c

      SHA1

      4c63c9347a48ab32331df9d48a6b63f5e10bd3db

      SHA256

      3b7d0abceb727dc96071b6464ccc4d56b43867a79cfba2d4ea4e8880b820ea85

      SHA512

      37093370227ce093d7325f49c170a0d06ea2c8d856f8718eb5007742daaeca326a562d14b305dafdfbc9459ddb1475fa04bc512206648d676d7a962e77699654

    • memory/772-45-0x000000001B790000-0x000000001BA72000-memory.dmp

      Filesize

      2.9MB

    • memory/772-46-0x0000000001DF0000-0x0000000001DF8000-memory.dmp

      Filesize

      32KB

    • memory/2420-66-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-78-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-90-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-68-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-18-0x0000000001251000-0x0000000001280000-memory.dmp

      Filesize

      188KB

    • memory/2420-19-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-21-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-22-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-23-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-89-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-67-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-88-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-69-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-49-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-48-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-87-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-63-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-64-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-65-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-86-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-85-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-17-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-47-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-70-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-71-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-72-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-73-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-74-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-75-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-76-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-77-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-84-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-79-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-80-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-81-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-82-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2420-83-0x0000000001250000-0x0000000001717000-memory.dmp

      Filesize

      4.8MB

    • memory/2792-15-0x0000000000F10000-0x00000000013D7000-memory.dmp

      Filesize

      4.8MB

    • memory/2792-3-0x0000000000F10000-0x00000000013D7000-memory.dmp

      Filesize

      4.8MB

    • memory/2792-0-0x0000000000F10000-0x00000000013D7000-memory.dmp

      Filesize

      4.8MB

    • memory/2792-1-0x0000000077660000-0x0000000077662000-memory.dmp

      Filesize

      8KB

    • memory/2792-2-0x0000000000F11000-0x0000000000F40000-memory.dmp

      Filesize

      188KB

    • memory/2792-5-0x0000000000F10000-0x00000000013D7000-memory.dmp

      Filesize

      4.8MB

    • memory/2792-16-0x0000000007190000-0x0000000007657000-memory.dmp

      Filesize

      4.8MB