Analysis

  • max time kernel
    143s
  • max time network
    152s
  • 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 03:55

General

  • Target

    8842e3fa614a4eead7769e88e6ae2e32fa1d47c0be6e12c3104cf3800dc8e1b1.exe

  • Size

    1.8MB

  • MD5

    2ea422cc22f3fe41b343a82ab6d350ea

  • SHA1

    70d6ee93e0c410844dbc2800f777d2f1351a9630

  • SHA256

    8842e3fa614a4eead7769e88e6ae2e32fa1d47c0be6e12c3104cf3800dc8e1b1

  • SHA512

    1861dbb1277d9d7dab9b5f1dd71f706407771ff0009b7b0546d9cb63aa1af0b3e0e93df7d235e70e60c5e3faf20312dfafd3a7846d27cec08990c8504f764b3f

  • SSDEEP

    49152:UKQvqR+/5P25fwyn9k4O0suqTFw5izCRT:UKQy4ywy9/OXuqTFw5fT

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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8842e3fa614a4eead7769e88e6ae2e32fa1d47c0be6e12c3104cf3800dc8e1b1.exe
    "C:\Users\Admin\AppData\Local\Temp\8842e3fa614a4eead7769e88e6ae2e32fa1d47c0be6e12c3104cf3800dc8e1b1.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:2092
  • 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:3672
    • 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:4068
      • 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:2828
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:4780
          • 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\084619521222_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:632
      • 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:1056

    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

      2ea422cc22f3fe41b343a82ab6d350ea

      SHA1

      70d6ee93e0c410844dbc2800f777d2f1351a9630

      SHA256

      8842e3fa614a4eead7769e88e6ae2e32fa1d47c0be6e12c3104cf3800dc8e1b1

      SHA512

      1861dbb1277d9d7dab9b5f1dd71f706407771ff0009b7b0546d9cb63aa1af0b3e0e93df7d235e70e60c5e3faf20312dfafd3a7846d27cec08990c8504f764b3f

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qoqdrlp0.ogs.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/632-64-0x00007FFCF8CE0000-0x00007FFCF97A1000-memory.dmp

      Filesize

      10.8MB

    • memory/632-58-0x00000215469E0000-0x00000215469EA000-memory.dmp

      Filesize

      40KB

    • memory/632-57-0x0000021546B90000-0x0000021546BA2000-memory.dmp

      Filesize

      72KB

    • memory/632-56-0x000002152DEB0000-0x000002152DEC0000-memory.dmp

      Filesize

      64KB

    • memory/632-55-0x000002152DEB0000-0x000002152DEC0000-memory.dmp

      Filesize

      64KB

    • memory/632-54-0x00007FFCF8CE0000-0x00007FFCF97A1000-memory.dmp

      Filesize

      10.8MB

    • memory/632-53-0x000002152E420000-0x000002152E442000-memory.dmp

      Filesize

      136KB

    • memory/2092-15-0x0000000000BA0000-0x0000000001054000-memory.dmp

      Filesize

      4.7MB

    • memory/2092-10-0x0000000004A60000-0x0000000004A61000-memory.dmp

      Filesize

      4KB

    • memory/2092-1-0x0000000077744000-0x0000000077746000-memory.dmp

      Filesize

      8KB

    • memory/2092-2-0x0000000000BA0000-0x0000000001054000-memory.dmp

      Filesize

      4.7MB

    • memory/2092-3-0x0000000004A10000-0x0000000004A11000-memory.dmp

      Filesize

      4KB

    • memory/2092-4-0x0000000004A20000-0x0000000004A21000-memory.dmp

      Filesize

      4KB

    • memory/2092-5-0x0000000004A00000-0x0000000004A01000-memory.dmp

      Filesize

      4KB

    • memory/2092-7-0x00000000049E0000-0x00000000049E1000-memory.dmp

      Filesize

      4KB

    • memory/2092-6-0x0000000004A40000-0x0000000004A41000-memory.dmp

      Filesize

      4KB

    • memory/2092-0-0x0000000000BA0000-0x0000000001054000-memory.dmp

      Filesize

      4.7MB

    • memory/2092-8-0x00000000049F0000-0x00000000049F1000-memory.dmp

      Filesize

      4KB

    • memory/2092-9-0x0000000004A70000-0x0000000004A71000-memory.dmp

      Filesize

      4KB

    • memory/3672-25-0x0000000005430000-0x0000000005431000-memory.dmp

      Filesize

      4KB

    • memory/3672-23-0x0000000005490000-0x0000000005491000-memory.dmp

      Filesize

      4KB

    • memory/3672-30-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-31-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-28-0x00000000054A0000-0x00000000054A1000-memory.dmp

      Filesize

      4KB

    • memory/3672-27-0x00000000054B0000-0x00000000054B1000-memory.dmp

      Filesize

      4KB

    • memory/3672-26-0x0000000005480000-0x0000000005481000-memory.dmp

      Filesize

      4KB

    • memory/3672-20-0x0000000005450000-0x0000000005451000-memory.dmp

      Filesize

      4KB

    • memory/3672-21-0x0000000005460000-0x0000000005461000-memory.dmp

      Filesize

      4KB

    • memory/3672-22-0x0000000005440000-0x0000000005441000-memory.dmp

      Filesize

      4KB

    • memory/3672-24-0x0000000005420000-0x0000000005421000-memory.dmp

      Filesize

      4KB

    • memory/3672-29-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-19-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-65-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-18-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-77-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-78-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-79-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-80-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-81-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-82-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB

    • memory/3672-83-0x0000000000690000-0x0000000000B44000-memory.dmp

      Filesize

      4.7MB