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Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07/05/2024, 12:03

General

  • Target

    56d58440375e728e57add88f06cabe3c6b87713bd045d44957ef592d307cbf5f.exe

  • Size

    1.8MB

  • MD5

    70651126aa1d9065c50e31acaccb8fb1

  • SHA1

    3693be8df083e6e3b09d70623c255e5087e53c39

  • SHA256

    56d58440375e728e57add88f06cabe3c6b87713bd045d44957ef592d307cbf5f

  • SHA512

    2278f9a0f05673083b3296d0a109a94417e962799185e6012735d5384adcfbe728410b69f02bfc9f7c3d8a07277bd4ba9bd5ebc843c768b2038b9140e86ea06c

  • SSDEEP

    49152:1Sg4n+E9lRWCeDFEioBEF+5Jh68xAaebXu+6EOQxQ:1lE9vWPEr1QFrbXjAq

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.

  • 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56d58440375e728e57add88f06cabe3c6b87713bd045d44957ef592d307cbf5f.exe
    "C:\Users\Admin\AppData\Local\Temp\56d58440375e728e57add88f06cabe3c6b87713bd045d44957ef592d307cbf5f.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 WriteProcessMemory
    PID:1720
    • 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:3552
      • 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:3216
        • 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:432
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:4460
            • 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\856190483102_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2816
        • 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:1732
    • 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:2940
    • 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:1652

    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

      70651126aa1d9065c50e31acaccb8fb1

      SHA1

      3693be8df083e6e3b09d70623c255e5087e53c39

      SHA256

      56d58440375e728e57add88f06cabe3c6b87713bd045d44957ef592d307cbf5f

      SHA512

      2278f9a0f05673083b3296d0a109a94417e962799185e6012735d5384adcfbe728410b69f02bfc9f7c3d8a07277bd4ba9bd5ebc843c768b2038b9140e86ea06c

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bkt0t15m.u2z.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/1652-76-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/1652-77-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/1720-5-0x0000000000B70000-0x000000000101F000-memory.dmp

      Filesize

      4.7MB

    • memory/1720-17-0x0000000000B70000-0x000000000101F000-memory.dmp

      Filesize

      4.7MB

    • memory/1720-0-0x0000000000B70000-0x000000000101F000-memory.dmp

      Filesize

      4.7MB

    • memory/1720-3-0x0000000000B70000-0x000000000101F000-memory.dmp

      Filesize

      4.7MB

    • memory/1720-2-0x0000000000B71000-0x0000000000BA0000-memory.dmp

      Filesize

      188KB

    • memory/1720-1-0x0000000076FB6000-0x0000000076FB8000-memory.dmp

      Filesize

      8KB

    • memory/2816-39-0x0000027AEA1F0000-0x0000027AEA212000-memory.dmp

      Filesize

      136KB

    • memory/2816-43-0x0000027AEA3E0000-0x0000027AEA3F2000-memory.dmp

      Filesize

      72KB

    • memory/2816-44-0x0000027AEA3C0000-0x0000027AEA3CA000-memory.dmp

      Filesize

      40KB

    • memory/2940-68-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/2940-67-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-51-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-69-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-22-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-62-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-63-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-64-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-65-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-21-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-20-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-50-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-70-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-71-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-72-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-73-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-74-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-19-0x00000000005B1000-0x00000000005E0000-memory.dmp

      Filesize

      188KB

    • memory/3552-18-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-78-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-79-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB

    • memory/3552-80-0x00000000005B0000-0x0000000000A5F000-memory.dmp

      Filesize

      4.7MB