Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26-03-2024 05:48

General

  • Target

    b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe

  • Size

    1.9MB

  • MD5

    3754420df3c482019cd40c7796daafc7

  • SHA1

    e41398638097b43c7bc923fe860826958a0b713d

  • SHA256

    b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2

  • SHA512

    709a185f2ee077b334a1da62c37bf5fa8dcf6a218e7ab4c79498f7ec3b9a44e9c073e30bb9057f2aac35429367909e7e66f190c5c492dc1c86052502ae99843c

  • SSDEEP

    49152:n27wrlvBU7wbExyf3KC3O3oHTpciOL/ik:n+cla0bE0/KCe3sqF

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 5 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 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 5 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.exe
    "C:\Users\Admin\AppData\Local\Temp\b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2.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:3760
    • 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:420
      • 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:1860
        • 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:4704
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:3780
            • 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\594324687199_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3160
        • 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:2996
    • 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:2708
    • 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:232
    • 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:1576

    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

      3754420df3c482019cd40c7796daafc7

      SHA1

      e41398638097b43c7bc923fe860826958a0b713d

      SHA256

      b2c50730f7eb0d32be9d21cf1974c0581bf617de03c3f8afb0548bcebf0eccb2

      SHA512

      709a185f2ee077b334a1da62c37bf5fa8dcf6a218e7ab4c79498f7ec3b9a44e9c073e30bb9057f2aac35429367909e7e66f190c5c492dc1c86052502ae99843c

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qk2zef2j.nha.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/232-98-0x0000000004D40000-0x0000000004D41000-memory.dmp

      Filesize

      4KB

    • memory/232-96-0x0000000004D10000-0x0000000004D11000-memory.dmp

      Filesize

      4KB

    • memory/232-100-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

      Filesize

      4KB

    • memory/232-97-0x0000000004D00000-0x0000000004D01000-memory.dmp

      Filesize

      4KB

    • memory/232-95-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/232-94-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/232-99-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

      Filesize

      4KB

    • memory/232-101-0x0000000004D20000-0x0000000004D21000-memory.dmp

      Filesize

      4KB

    • memory/232-102-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-28-0x0000000004E90000-0x0000000004E91000-memory.dmp

      Filesize

      4KB

    • memory/420-87-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-26-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

      Filesize

      4KB

    • memory/420-24-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

      Filesize

      4KB

    • memory/420-27-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

      Filesize

      4KB

    • memory/420-104-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-29-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

      Filesize

      4KB

    • memory/420-30-0x0000000004F10000-0x0000000004F11000-memory.dmp

      Filesize

      4KB

    • memory/420-31-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-23-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-44-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-105-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-22-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-106-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-107-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-25-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

      Filesize

      4KB

    • memory/420-92-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-91-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-90-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-89-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-66-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-108-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-88-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/420-103-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/1576-110-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/1576-117-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

      Filesize

      4KB

    • memory/1576-116-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

      Filesize

      4KB

    • memory/1576-115-0x0000000004D40000-0x0000000004D41000-memory.dmp

      Filesize

      4KB

    • memory/1576-113-0x0000000004D20000-0x0000000004D21000-memory.dmp

      Filesize

      4KB

    • memory/1576-114-0x0000000004D00000-0x0000000004D01000-memory.dmp

      Filesize

      4KB

    • memory/1576-112-0x0000000004D10000-0x0000000004D11000-memory.dmp

      Filesize

      4KB

    • memory/1576-111-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/2708-84-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

      Filesize

      4KB

    • memory/2708-78-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/2708-79-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/2708-86-0x0000000000270000-0x000000000073D000-memory.dmp

      Filesize

      4.8MB

    • memory/2708-85-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

      Filesize

      4KB

    • memory/2708-81-0x0000000004D20000-0x0000000004D21000-memory.dmp

      Filesize

      4KB

    • memory/2708-83-0x0000000004D40000-0x0000000004D41000-memory.dmp

      Filesize

      4KB

    • memory/2708-80-0x0000000004D10000-0x0000000004D11000-memory.dmp

      Filesize

      4KB

    • memory/2708-82-0x0000000004D00000-0x0000000004D01000-memory.dmp

      Filesize

      4KB

    • memory/3160-56-0x000002BBD1FD0000-0x000002BBD1FE0000-memory.dmp

      Filesize

      64KB

    • memory/3160-65-0x00007FFA191F0000-0x00007FFA19CB2000-memory.dmp

      Filesize

      10.8MB

    • memory/3160-45-0x000002BBB9DD0000-0x000002BBB9DF2000-memory.dmp

      Filesize

      136KB

    • memory/3160-54-0x00007FFA191F0000-0x00007FFA19CB2000-memory.dmp

      Filesize

      10.8MB

    • memory/3160-55-0x000002BBD1FD0000-0x000002BBD1FE0000-memory.dmp

      Filesize

      64KB

    • memory/3160-57-0x000002BBD1FD0000-0x000002BBD1FE0000-memory.dmp

      Filesize

      64KB

    • memory/3160-58-0x000002BBD1FA0000-0x000002BBD1FB2000-memory.dmp

      Filesize

      72KB

    • memory/3160-59-0x000002BBB9E10000-0x000002BBB9E1A000-memory.dmp

      Filesize

      40KB

    • memory/3760-6-0x0000000005670000-0x0000000005671000-memory.dmp

      Filesize

      4KB

    • memory/3760-9-0x0000000005690000-0x0000000005691000-memory.dmp

      Filesize

      4KB

    • memory/3760-21-0x0000000000A60000-0x0000000000F2D000-memory.dmp

      Filesize

      4.8MB

    • memory/3760-8-0x0000000005620000-0x0000000005621000-memory.dmp

      Filesize

      4KB

    • memory/3760-7-0x0000000005610000-0x0000000005611000-memory.dmp

      Filesize

      4KB

    • memory/3760-5-0x0000000005630000-0x0000000005631000-memory.dmp

      Filesize

      4KB

    • memory/3760-4-0x0000000005650000-0x0000000005651000-memory.dmp

      Filesize

      4KB

    • memory/3760-1-0x00000000776A6000-0x00000000776A8000-memory.dmp

      Filesize

      8KB

    • memory/3760-2-0x0000000000A60000-0x0000000000F2D000-memory.dmp

      Filesize

      4.8MB

    • memory/3760-3-0x0000000005640000-0x0000000005641000-memory.dmp

      Filesize

      4KB

    • memory/3760-0-0x0000000000A60000-0x0000000000F2D000-memory.dmp

      Filesize

      4.8MB