Analysis

  • max time kernel
    144s
  • max time network
    143s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25/03/2024, 22:44

General

  • Target

    b51b9a048c3a8be0dc05dccddd80dd6df970d2c6fb7b8a852934dc7524a52ae6.exe

  • Size

    1.8MB

  • MD5

    a508ebab0ad33e672b0d8904ec5c2e2b

  • SHA1

    cdbf2fce90339d8c5b9e6c53985d5afed6e18d2e

  • SHA256

    b51b9a048c3a8be0dc05dccddd80dd6df970d2c6fb7b8a852934dc7524a52ae6

  • SHA512

    f588133c029386319261b6718beaf4bf4082325c39a1e3b804f757c07c746bfb6dd7cf5d5dc128f9d03dee33baf3f7903a4f9cb0059231e911b1b13f12b5d086

  • SSDEEP

    49152:98uDs6H0bKRhxuilabhBMmTHb4pvwn7f3msihcn:RDsFK6B9THspvwn7ffG

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
  • 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b51b9a048c3a8be0dc05dccddd80dd6df970d2c6fb7b8a852934dc7524a52ae6.exe
    "C:\Users\Admin\AppData\Local\Temp\b51b9a048c3a8be0dc05dccddd80dd6df970d2c6fb7b8a852934dc7524a52ae6.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:4808
    • 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:4380
      • 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:1388
        • 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:4912
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:2428
            • 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\181651180316_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1980
        • 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:3328
    • 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:3588
    • 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:1260

    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

            a508ebab0ad33e672b0d8904ec5c2e2b

            SHA1

            cdbf2fce90339d8c5b9e6c53985d5afed6e18d2e

            SHA256

            b51b9a048c3a8be0dc05dccddd80dd6df970d2c6fb7b8a852934dc7524a52ae6

            SHA512

            f588133c029386319261b6718beaf4bf4082325c39a1e3b804f757c07c746bfb6dd7cf5d5dc128f9d03dee33baf3f7903a4f9cb0059231e911b1b13f12b5d086

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

            Filesize

            1.1MB

            MD5

            3b67e6259b229a9e142fd096c9c21c4a

            SHA1

            d60c0831b98ddfe60148eecaab1874a13a144dec

            SHA256

            94881f8cdb29c8f8460b8e4fd981321ac412cc6f16ef36d956c4948984b687e9

            SHA512

            bf737e979e802300eace107232a8f4e241c712b047d2be9244ada191f3ef9bb813b3260361fc4c8b6865bc3582f8fc8ddc547a2476af65ddd7e0d11bb9c6c4cf

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lrhclqap.4hq.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/1260-101-0x0000000004B20000-0x0000000004B21000-memory.dmp

            Filesize

            4KB

          • memory/1260-104-0x0000000004B10000-0x0000000004B11000-memory.dmp

            Filesize

            4KB

          • memory/1260-99-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

            Filesize

            4KB

          • memory/1260-98-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/1260-97-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/1260-102-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

            Filesize

            4KB

          • memory/1260-103-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

            Filesize

            4KB

          • memory/1260-100-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

            Filesize

            4KB

          • memory/1260-105-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/1980-60-0x00000256762E0000-0x00000256762EA000-memory.dmp

            Filesize

            40KB

          • memory/1980-59-0x0000025676300000-0x0000025676312000-memory.dmp

            Filesize

            72KB

          • memory/1980-58-0x0000025676320000-0x0000025676330000-memory.dmp

            Filesize

            64KB

          • memory/1980-56-0x0000025676320000-0x0000025676330000-memory.dmp

            Filesize

            64KB

          • memory/1980-54-0x0000025676260000-0x0000025676282000-memory.dmp

            Filesize

            136KB

          • memory/1980-55-0x00007FFC9A640000-0x00007FFC9B102000-memory.dmp

            Filesize

            10.8MB

          • memory/1980-66-0x00007FFC9A640000-0x00007FFC9B102000-memory.dmp

            Filesize

            10.8MB

          • memory/3588-89-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/3588-82-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/3588-88-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

            Filesize

            4KB

          • memory/3588-87-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

            Filesize

            4KB

          • memory/3588-86-0x0000000004C40000-0x0000000004C41000-memory.dmp

            Filesize

            4KB

          • memory/3588-85-0x0000000004C00000-0x0000000004C01000-memory.dmp

            Filesize

            4KB

          • memory/3588-84-0x0000000004C10000-0x0000000004C11000-memory.dmp

            Filesize

            4KB

          • memory/3588-83-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-24-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-28-0x0000000005510000-0x0000000005511000-memory.dmp

            Filesize

            4KB

          • memory/4380-57-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-26-0x0000000005530000-0x0000000005531000-memory.dmp

            Filesize

            4KB

          • memory/4380-31-0x00000000055A0000-0x00000000055A1000-memory.dmp

            Filesize

            4KB

          • memory/4380-22-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-108-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-67-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-107-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-78-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-79-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-80-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-25-0x0000000005540000-0x0000000005541000-memory.dmp

            Filesize

            4KB

          • memory/4380-106-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-29-0x0000000005520000-0x0000000005521000-memory.dmp

            Filesize

            4KB

          • memory/4380-45-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-30-0x0000000005550000-0x0000000005551000-memory.dmp

            Filesize

            4KB

          • memory/4380-33-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-32-0x0000000005590000-0x0000000005591000-memory.dmp

            Filesize

            4KB

          • memory/4380-27-0x0000000005570000-0x0000000005571000-memory.dmp

            Filesize

            4KB

          • memory/4380-90-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-91-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-92-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-93-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-94-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4380-95-0x0000000000180000-0x000000000063C000-memory.dmp

            Filesize

            4.7MB

          • memory/4808-0-0x0000000000A30000-0x0000000000EEC000-memory.dmp

            Filesize

            4.7MB

          • memory/4808-2-0x0000000000A30000-0x0000000000EEC000-memory.dmp

            Filesize

            4.7MB

          • memory/4808-3-0x0000000004F90000-0x0000000004F91000-memory.dmp

            Filesize

            4KB

          • memory/4808-4-0x0000000004F80000-0x0000000004F81000-memory.dmp

            Filesize

            4KB

          • memory/4808-5-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

            Filesize

            4KB

          • memory/4808-6-0x0000000004F60000-0x0000000004F61000-memory.dmp

            Filesize

            4KB

          • memory/4808-8-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

            Filesize

            4KB

          • memory/4808-7-0x0000000004F70000-0x0000000004F71000-memory.dmp

            Filesize

            4KB

          • memory/4808-1-0x0000000077A96000-0x0000000077A98000-memory.dmp

            Filesize

            8KB

          • memory/4808-9-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

            Filesize

            4KB

          • memory/4808-10-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

            Filesize

            4KB

          • memory/4808-23-0x0000000000A30000-0x0000000000EEC000-memory.dmp

            Filesize

            4.7MB