Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-04-2024 01:06

General

  • Target

    a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f.exe

  • Size

    1.8MB

  • MD5

    099534f7d955508474bf7a1e529f2127

  • SHA1

    2c3be5128d946401f32463b10913e83954bb937c

  • SHA256

    a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f

  • SHA512

    00e088e3e38ef34c0ddd8cb3651ac03523e7f08ff1dbfc8a9a2ebae299ad8ad52fe6bcde93ef756defb5ef6142acbf3015ea6269f76f8aed934ac88ad0286310

  • SSDEEP

    49152:TIrRcjj42ahO562qQKydFDXeBFBvM11g:TIzhOE2DFDu54

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
  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f.exe
    "C:\Users\Admin\AppData\Local\Temp\a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f.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 FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3992
    • 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:3332
      • 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:2096
        • 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:1436
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:3044
            • 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\808065738166_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4028
        • 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:4900
    • 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:4076
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5072 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:3308
      • 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:1012

      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

        099534f7d955508474bf7a1e529f2127

        SHA1

        2c3be5128d946401f32463b10913e83954bb937c

        SHA256

        a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f

        SHA512

        00e088e3e38ef34c0ddd8cb3651ac03523e7f08ff1dbfc8a9a2ebae299ad8ad52fe6bcde93ef756defb5ef6142acbf3015ea6269f76f8aed934ac88ad0286310

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gmzunvi0.2dg.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/1012-103-0x0000000005250000-0x0000000005251000-memory.dmp

        Filesize

        4KB

      • memory/1012-102-0x00000000052B0000-0x00000000052B1000-memory.dmp

        Filesize

        4KB

      • memory/1012-101-0x0000000005270000-0x0000000005271000-memory.dmp

        Filesize

        4KB

      • memory/1012-104-0x0000000005260000-0x0000000005261000-memory.dmp

        Filesize

        4KB

      • memory/1012-98-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/1012-97-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/1012-100-0x0000000005290000-0x0000000005291000-memory.dmp

        Filesize

        4KB

      • memory/1012-99-0x0000000005280000-0x0000000005281000-memory.dmp

        Filesize

        4KB

      • memory/1012-105-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-94-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-60-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-26-0x0000000004B30000-0x0000000004B31000-memory.dmp

        Filesize

        4KB

      • memory/3332-25-0x0000000004B20000-0x0000000004B21000-memory.dmp

        Filesize

        4KB

      • memory/3332-27-0x0000000004B10000-0x0000000004B11000-memory.dmp

        Filesize

        4KB

      • memory/3332-28-0x0000000004B50000-0x0000000004B51000-memory.dmp

        Filesize

        4KB

      • memory/3332-29-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

        Filesize

        4KB

      • memory/3332-30-0x0000000004B00000-0x0000000004B01000-memory.dmp

        Filesize

        4KB

      • memory/3332-31-0x0000000004B70000-0x0000000004B71000-memory.dmp

        Filesize

        4KB

      • memory/3332-32-0x0000000004B80000-0x0000000004B81000-memory.dmp

        Filesize

        4KB

      • memory/3332-33-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-93-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-45-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-24-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-22-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-111-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-110-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-109-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-108-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-92-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-107-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-106-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-91-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-69-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-90-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3332-95-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/3992-3-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

        Filesize

        4KB

      • memory/3992-7-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

        Filesize

        4KB

      • memory/3992-8-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

        Filesize

        4KB

      • memory/3992-6-0x0000000004B20000-0x0000000004B21000-memory.dmp

        Filesize

        4KB

      • memory/3992-5-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

        Filesize

        4KB

      • memory/3992-4-0x0000000004B00000-0x0000000004B01000-memory.dmp

        Filesize

        4KB

      • memory/3992-9-0x0000000004B50000-0x0000000004B51000-memory.dmp

        Filesize

        4KB

      • memory/3992-2-0x0000000000030000-0x00000000004DB000-memory.dmp

        Filesize

        4.7MB

      • memory/3992-10-0x0000000004B40000-0x0000000004B41000-memory.dmp

        Filesize

        4KB

      • memory/3992-1-0x0000000077A14000-0x0000000077A16000-memory.dmp

        Filesize

        8KB

      • memory/3992-0-0x0000000000030000-0x00000000004DB000-memory.dmp

        Filesize

        4.7MB

      • memory/3992-23-0x0000000000030000-0x00000000004DB000-memory.dmp

        Filesize

        4.7MB

      • memory/4028-46-0x0000024591540000-0x0000024591550000-memory.dmp

        Filesize

        64KB

      • memory/4028-68-0x00007FFA042E0000-0x00007FFA04DA1000-memory.dmp

        Filesize

        10.8MB

      • memory/4028-50-0x00000245A9830000-0x00000245A9852000-memory.dmp

        Filesize

        136KB

      • memory/4028-57-0x00007FFA042E0000-0x00007FFA04DA1000-memory.dmp

        Filesize

        10.8MB

      • memory/4028-59-0x0000024591540000-0x0000024591550000-memory.dmp

        Filesize

        64KB

      • memory/4028-58-0x0000024591540000-0x0000024591550000-memory.dmp

        Filesize

        64KB

      • memory/4028-61-0x00000245A9BE0000-0x00000245A9BF2000-memory.dmp

        Filesize

        72KB

      • memory/4028-62-0x00000245A9BD0000-0x00000245A9BDA000-memory.dmp

        Filesize

        40KB

      • memory/4076-87-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

        Filesize

        4KB

      • memory/4076-81-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/4076-82-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/4076-84-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

        Filesize

        4KB

      • memory/4076-83-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

        Filesize

        4KB

      • memory/4076-89-0x00000000001A0000-0x000000000064B000-memory.dmp

        Filesize

        4.7MB

      • memory/4076-88-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

        Filesize

        4KB

      • memory/4076-86-0x0000000004D10000-0x0000000004D11000-memory.dmp

        Filesize

        4KB

      • memory/4076-85-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

        Filesize

        4KB