Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/04/2024, 06:51

General

  • Target

    ed9029f8df1f72872a2cf37227397e158844376cad8bf89329c49754ad8132d0.exe

  • Size

    1.8MB

  • MD5

    f3cfe7e229e6ab9ebec618dd5faea1a9

  • SHA1

    22ab4a8495df5e2ef1a2bc615ac7b2420b9f2f4c

  • SHA256

    ed9029f8df1f72872a2cf37227397e158844376cad8bf89329c49754ad8132d0

  • SHA512

    503d02fe8456cf3068fb0ab9cfa9c3af5247f347d1571417015c7a05e36e45b6b16e096458b9c22be7d6315047fb612be840fa61967264dec5af457d7a26e941

  • SSDEEP

    49152:4tlm15RBJ4yWQDdDuMDnQv3aFQrY6XGW81NOX:clg564DdqMkvNryTK

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed9029f8df1f72872a2cf37227397e158844376cad8bf89329c49754ad8132d0.exe
    "C:\Users\Admin\AppData\Local\Temp\ed9029f8df1f72872a2cf37227397e158844376cad8bf89329c49754ad8132d0.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:5044
  • C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
    C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
    1⤵
    • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3008
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:4784
          • 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\556644402199_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4664
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main
        2⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:2568

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe

      Filesize

      1.8MB

      MD5

      f3cfe7e229e6ab9ebec618dd5faea1a9

      SHA1

      22ab4a8495df5e2ef1a2bc615ac7b2420b9f2f4c

      SHA256

      ed9029f8df1f72872a2cf37227397e158844376cad8bf89329c49754ad8132d0

      SHA512

      503d02fe8456cf3068fb0ab9cfa9c3af5247f347d1571417015c7a05e36e45b6b16e096458b9c22be7d6315047fb612be840fa61967264dec5af457d7a26e941

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rnb3e2be.gff.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      109KB

      MD5

      154c3f1334dd435f562672f2664fea6b

      SHA1

      51dd25e2ba98b8546de163b8f26e2972a90c2c79

      SHA256

      5f431129f97f3d56929f1e5584819e091bd6c854d7e18503074737fc6d79e33f

      SHA512

      1bca69bbcdb7ecd418769e9d4befc458f9f8e3cee81feb7316bb61e189e2904f4431e4cc7d291e179a5dec441b959d428d8e433f579036f763bbad6460222841

    • C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll

      Filesize

      1.2MB

      MD5

      f35b671fda2603ec30ace10946f11a90

      SHA1

      059ad6b06559d4db581b1879e709f32f80850872

      SHA256

      83e3df5bec15d5333935bea8b719a6d677e2fb3dc1cf9e18e7b82fd0438285c7

      SHA512

      b5fa27d08c64727cef7fdda5e68054a4359cd697df50d70d1d90da583195959a139066a6214531bbc5f20cd4f9bc1ca3e4244396547381291a6a1d2df9cf8705

    • memory/4012-57-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-20-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-85-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-84-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-83-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-82-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-81-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-80-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-79-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-67-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-19-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-23-0x0000000005070000-0x0000000005071000-memory.dmp

      Filesize

      4KB

    • memory/4012-22-0x0000000005040000-0x0000000005041000-memory.dmp

      Filesize

      4KB

    • memory/4012-27-0x0000000005060000-0x0000000005061000-memory.dmp

      Filesize

      4KB

    • memory/4012-26-0x0000000005010000-0x0000000005011000-memory.dmp

      Filesize

      4KB

    • memory/4012-25-0x0000000005020000-0x0000000005021000-memory.dmp

      Filesize

      4KB

    • memory/4012-24-0x0000000005000000-0x0000000005001000-memory.dmp

      Filesize

      4KB

    • memory/4012-30-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4012-21-0x0000000005030000-0x0000000005031000-memory.dmp

      Filesize

      4KB

    • memory/4012-28-0x0000000005090000-0x0000000005091000-memory.dmp

      Filesize

      4KB

    • memory/4012-29-0x0000000005080000-0x0000000005081000-memory.dmp

      Filesize

      4KB

    • memory/4012-43-0x0000000000FC0000-0x0000000001470000-memory.dmp

      Filesize

      4.7MB

    • memory/4664-59-0x00000226F8E30000-0x00000226F8E42000-memory.dmp

      Filesize

      72KB

    • memory/4664-66-0x00007FFF9FAC0000-0x00007FFFA0581000-memory.dmp

      Filesize

      10.8MB

    • memory/4664-60-0x00000226F8E20000-0x00000226F8E2A000-memory.dmp

      Filesize

      40KB

    • memory/4664-53-0x00000226F8A50000-0x00000226F8A72000-memory.dmp

      Filesize

      136KB

    • memory/4664-54-0x00007FFF9FAC0000-0x00007FFFA0581000-memory.dmp

      Filesize

      10.8MB

    • memory/4664-55-0x00000226F68F0000-0x00000226F6900000-memory.dmp

      Filesize

      64KB

    • memory/4664-56-0x00000226F68F0000-0x00000226F6900000-memory.dmp

      Filesize

      64KB

    • memory/4664-58-0x00000226F68F0000-0x00000226F6900000-memory.dmp

      Filesize

      64KB

    • memory/5044-0-0x00000000001B0000-0x0000000000660000-memory.dmp

      Filesize

      4.7MB

    • memory/5044-3-0x0000000004E50000-0x0000000004E51000-memory.dmp

      Filesize

      4KB

    • memory/5044-2-0x00000000001B0000-0x0000000000660000-memory.dmp

      Filesize

      4.7MB

    • memory/5044-4-0x0000000004E60000-0x0000000004E61000-memory.dmp

      Filesize

      4KB

    • memory/5044-5-0x0000000004E90000-0x0000000004E91000-memory.dmp

      Filesize

      4KB

    • memory/5044-1-0x0000000077D74000-0x0000000077D76000-memory.dmp

      Filesize

      8KB

    • memory/5044-16-0x00000000001B0000-0x0000000000660000-memory.dmp

      Filesize

      4.7MB

    • memory/5044-11-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

      Filesize

      4KB

    • memory/5044-10-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

      Filesize

      4KB

    • memory/5044-9-0x0000000004E80000-0x0000000004E81000-memory.dmp

      Filesize

      4KB

    • memory/5044-8-0x0000000004E30000-0x0000000004E31000-memory.dmp

      Filesize

      4KB

    • memory/5044-7-0x0000000004E40000-0x0000000004E41000-memory.dmp

      Filesize

      4KB

    • memory/5044-6-0x0000000004E20000-0x0000000004E21000-memory.dmp

      Filesize

      4KB