Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-05-2024 12:27

General

  • Target

    3595dda12e37f213424fa9b0006b3b2c73c5e39951f24a7b225d990aaa0178f4.exe

  • Size

    1.9MB

  • MD5

    df5a6986f5518f94e4ea2e4d0437bd2f

  • SHA1

    29b967f81ae5a5fe3cbab36fd2b4466cb0cfbaa4

  • SHA256

    3595dda12e37f213424fa9b0006b3b2c73c5e39951f24a7b225d990aaa0178f4

  • SHA512

    36ea75904a876f79d394a7e1c3c722485918163aa214d131517a73fbe6c21dca4de6ca5b71bbc550f7e11211e419832d5184aba5ba6645e0cae6d5f5622f324f

  • SSDEEP

    49152:M0cODZ+Eej2nQgCZsWki17APwfyX8XsYuf:fJXozHki17EwaE

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 4 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 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 4 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 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3595dda12e37f213424fa9b0006b3b2c73c5e39951f24a7b225d990aaa0178f4.exe
    "C:\Users\Admin\AppData\Local\Temp\3595dda12e37f213424fa9b0006b3b2c73c5e39951f24a7b225d990aaa0178f4.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2524
    • 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
      • Checks computer location settings
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3376
      • 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:5648
        • 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:4004
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:1216
            • 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\404046346511_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5660
        • 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:4800
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • 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
      PID:1244
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • 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
      PID:3980

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1.9MB

      MD5

      df5a6986f5518f94e4ea2e4d0437bd2f

      SHA1

      29b967f81ae5a5fe3cbab36fd2b4466cb0cfbaa4

      SHA256

      3595dda12e37f213424fa9b0006b3b2c73c5e39951f24a7b225d990aaa0178f4

      SHA512

      36ea75904a876f79d394a7e1c3c722485918163aa214d131517a73fbe6c21dca4de6ca5b71bbc550f7e11211e419832d5184aba5ba6645e0cae6d5f5622f324f

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jlumr1bh.xd3.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/1244-69-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/1244-68-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/2524-1-0x0000000077A74000-0x0000000077A76000-memory.dmp

      Filesize

      8KB

    • memory/2524-3-0x0000000000C90000-0x000000000117D000-memory.dmp

      Filesize

      4.9MB

    • memory/2524-2-0x0000000000C91000-0x0000000000CC0000-memory.dmp

      Filesize

      188KB

    • memory/2524-5-0x0000000000C90000-0x000000000117D000-memory.dmp

      Filesize

      4.9MB

    • memory/2524-17-0x0000000000C90000-0x000000000117D000-memory.dmp

      Filesize

      4.9MB

    • memory/2524-0-0x0000000000C90000-0x000000000117D000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-52-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-18-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-21-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-83-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-82-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-81-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-22-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-53-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-19-0x0000000000511000-0x0000000000540000-memory.dmp

      Filesize

      188KB

    • memory/3376-64-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-65-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-66-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-20-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-23-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-70-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-71-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-72-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-73-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-74-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-75-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3376-80-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3980-79-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/3980-77-0x0000000000510000-0x00000000009FD000-memory.dmp

      Filesize

      4.9MB

    • memory/5660-45-0x000001C5E6780000-0x000001C5E6792000-memory.dmp

      Filesize

      72KB

    • memory/5660-46-0x000001C5E66F0000-0x000001C5E66FA000-memory.dmp

      Filesize

      40KB

    • memory/5660-35-0x000001C5E6730000-0x000001C5E6752000-memory.dmp

      Filesize

      136KB