Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01-04-2024 04:59

General

  • Target

    f0f2948759d4d4773aa915b885fb244a6c9d1c956ebd4fa48bf86e7e925153d5.exe

  • Size

    1.8MB

  • MD5

    f5e309ef18d77a0799375f564f5b2cb5

  • SHA1

    802228d06033412a07502d062be3e09738b97c21

  • SHA256

    f0f2948759d4d4773aa915b885fb244a6c9d1c956ebd4fa48bf86e7e925153d5

  • SHA512

    10932e2a2bbc33668799a8a33e7a7ad908fa3cb078e4a1c50fa08c6f522f5a3a4c1f221552f2e402ee378194d70cb9b00a55bfdd7075d3725590bbec7ef9a24e

  • SSDEEP

    49152:hzJRP8XHsNI8zBP/4vtutHYjqr6VZGaqYweRbCb60WCBu98:1JlkHSP40HYjhVwN+Su98

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 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f0f2948759d4d4773aa915b885fb244a6c9d1c956ebd4fa48bf86e7e925153d5.exe
    "C:\Users\Admin\AppData\Local\Temp\f0f2948759d4d4773aa915b885fb244a6c9d1c956ebd4fa48bf86e7e925153d5.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
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3088
    • 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:3040
      • 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:2260
        • 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:2800
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:4344
            • 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\637591879962_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1456
        • 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:3048

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.8MB

      MD5

      f5e309ef18d77a0799375f564f5b2cb5

      SHA1

      802228d06033412a07502d062be3e09738b97c21

      SHA256

      f0f2948759d4d4773aa915b885fb244a6c9d1c956ebd4fa48bf86e7e925153d5

      SHA512

      10932e2a2bbc33668799a8a33e7a7ad908fa3cb078e4a1c50fa08c6f522f5a3a4c1f221552f2e402ee378194d70cb9b00a55bfdd7075d3725590bbec7ef9a24e

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ecrsqvqe.rfv.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • 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

    • memory/1456-45-0x000002C4E8760000-0x000002C4E8782000-memory.dmp

      Filesize

      136KB

    • memory/1456-65-0x00007FFF99BA0000-0x00007FFF9A662000-memory.dmp

      Filesize

      10.8MB

    • memory/1456-58-0x000002C4E8B70000-0x000002C4E8B82000-memory.dmp

      Filesize

      72KB

    • memory/1456-59-0x000002C4E87E0000-0x000002C4E87EA000-memory.dmp

      Filesize

      40KB

    • memory/1456-55-0x000002C4E87F0000-0x000002C4E8800000-memory.dmp

      Filesize

      64KB

    • memory/1456-56-0x000002C4E87F0000-0x000002C4E8800000-memory.dmp

      Filesize

      64KB

    • memory/1456-54-0x00007FFF99BA0000-0x00007FFF9A662000-memory.dmp

      Filesize

      10.8MB

    • memory/3040-88-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-57-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-23-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-28-0x0000000004D00000-0x0000000004D01000-memory.dmp

      Filesize

      4KB

    • memory/3040-30-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

      Filesize

      4KB

    • memory/3040-29-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

      Filesize

      4KB

    • memory/3040-27-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

      Filesize

      4KB

    • memory/3040-26-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

      Filesize

      4KB

    • memory/3040-89-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-24-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-31-0x0000000004D20000-0x0000000004D21000-memory.dmp

      Filesize

      4KB

    • memory/3040-32-0x0000000004D10000-0x0000000004D11000-memory.dmp

      Filesize

      4KB

    • memory/3040-33-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-87-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-86-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-85-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-25-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

      Filesize

      4KB

    • memory/3040-84-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-83-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-82-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-81-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-80-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-79-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-66-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-67-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3040-78-0x0000000000250000-0x00000000006FD000-memory.dmp

      Filesize

      4.7MB

    • memory/3088-1-0x0000000077E66000-0x0000000077E68000-memory.dmp

      Filesize

      8KB

    • memory/3088-6-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

      Filesize

      4KB

    • memory/3088-5-0x0000000004D60000-0x0000000004D61000-memory.dmp

      Filesize

      4KB

    • memory/3088-8-0x0000000004D50000-0x0000000004D51000-memory.dmp

      Filesize

      4KB

    • memory/3088-22-0x0000000000850000-0x0000000000CFD000-memory.dmp

      Filesize

      4.7MB

    • memory/3088-7-0x0000000004D40000-0x0000000004D41000-memory.dmp

      Filesize

      4KB

    • memory/3088-9-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

      Filesize

      4KB

    • memory/3088-3-0x0000000004D70000-0x0000000004D71000-memory.dmp

      Filesize

      4KB

    • memory/3088-10-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

      Filesize

      4KB

    • memory/3088-0-0x0000000000850000-0x0000000000CFD000-memory.dmp

      Filesize

      4.7MB

    • memory/3088-2-0x0000000000850000-0x0000000000CFD000-memory.dmp

      Filesize

      4.7MB

    • memory/3088-4-0x0000000004D80000-0x0000000004D81000-memory.dmp

      Filesize

      4KB