Analysis

  • max time kernel
    148s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2024, 04:50

General

  • Target

    e2f42e09178e0f601de835c612d677fbd15900f13f6f94c49001d0c70d086365.exe

  • Size

    1.8MB

  • MD5

    6e1d29bf385c7b4a2613519cb72f0c9c

  • SHA1

    2d28097a2d0e7950cc61fcf03e2a73e514c56e99

  • SHA256

    e2f42e09178e0f601de835c612d677fbd15900f13f6f94c49001d0c70d086365

  • SHA512

    b1f20e06d52c920bfcfe356ec59643e6c3b3905a9010b83ff7434e8fd425e61ec1c17b5cbc12a1a898d287dcf2fdbfd1165ad2500bddd0c4ac35c56c6eefe9c0

  • SSDEEP

    49152:GedVHLe1KHYT5xsRvQ+u0cILM7NWDnKzG3Yywtd3:brBHYT5uA07M7UDKzDywH

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

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

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 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 2 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e2f42e09178e0f601de835c612d677fbd15900f13f6f94c49001d0c70d086365.exe
    "C:\Users\Admin\AppData\Local\Temp\e2f42e09178e0f601de835c612d677fbd15900f13f6f94c49001d0c70d086365.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
    PID:3364
  • C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
    C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
    1⤵
    • 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:1524
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4552
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3020
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:4756
          • 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\570491262506_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3660
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        2⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:3180

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe

            Filesize

            1.8MB

            MD5

            6e1d29bf385c7b4a2613519cb72f0c9c

            SHA1

            2d28097a2d0e7950cc61fcf03e2a73e514c56e99

            SHA256

            e2f42e09178e0f601de835c612d677fbd15900f13f6f94c49001d0c70d086365

            SHA512

            b1f20e06d52c920bfcfe356ec59643e6c3b3905a9010b83ff7434e8fd425e61ec1c17b5cbc12a1a898d287dcf2fdbfd1165ad2500bddd0c4ac35c56c6eefe9c0

          • C:\Users\Admin\AppData\Local\Temp\570491262506_Desktop.zip

            Filesize

            194KB

            MD5

            2390f97523311c777537956c2ee4430a

            SHA1

            ca3852cdb275dd88d2d9055cb6ab98a9fc78ceba

            SHA256

            f0434a6b4fbb33825a1f53514f9a406cff4960b521d5266e0143cbbffdedba53

            SHA512

            0021e7eafe3571606213119374cea149270cdac879e914e16b554b9b872ecffe1500e249953576f771e6e4654bc3aad68408ffc57267edd7e6203717817cfc93

          • C:\Users\Admin\AppData\Local\Temp\_Files_\RedoRestart.doc

            Filesize

            194KB

            MD5

            767c9cbe3436689ec02357d68bae050d

            SHA1

            ea18c74d7cfa8507e38170cd730e26896e1a50c2

            SHA256

            4bb9332f62bdc8f2a40eecc0d648454d0dd42374568e7a000d54c17ac505d794

            SHA512

            383a2240a55e085fb2093b079d03e334fc81347c3acff246fde42287594d064843977b03c1ca72e26ba00f235d7a82f68236d7a27ccb7b6b10f3b93b0c421e8c

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vglcrazd.fnz.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll

            Filesize

            109KB

            MD5

            2afdbe3b99a4736083066a13e4b5d11a

            SHA1

            4d4856cf02b3123ac16e63d4a448cdbcb1633546

            SHA256

            8d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee

            SHA512

            d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f

          • C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll

            Filesize

            1.2MB

            MD5

            92fbdfccf6a63acef2743631d16652a7

            SHA1

            971968b1378dd89d59d7f84bf92f16fc68664506

            SHA256

            b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72

            SHA512

            b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117

          • memory/1524-18-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-22-0x0000000004D20000-0x0000000004D21000-memory.dmp

            Filesize

            4KB

          • memory/1524-79-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-81-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-67-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-66-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-82-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-83-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-57-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-20-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-21-0x0000000004D30000-0x0000000004D31000-memory.dmp

            Filesize

            4KB

          • memory/1524-80-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-23-0x0000000004D60000-0x0000000004D61000-memory.dmp

            Filesize

            4KB

          • memory/1524-25-0x0000000004D10000-0x0000000004D11000-memory.dmp

            Filesize

            4KB

          • memory/1524-24-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

            Filesize

            4KB

          • memory/1524-26-0x0000000004D00000-0x0000000004D01000-memory.dmp

            Filesize

            4KB

          • memory/1524-27-0x0000000004D50000-0x0000000004D51000-memory.dmp

            Filesize

            4KB

          • memory/1524-28-0x0000000004D80000-0x0000000004D81000-memory.dmp

            Filesize

            4KB

          • memory/1524-29-0x0000000004D70000-0x0000000004D71000-memory.dmp

            Filesize

            4KB

          • memory/1524-30-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-84-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-85-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/1524-86-0x0000000000870000-0x0000000000D3C000-memory.dmp

            Filesize

            4.8MB

          • memory/3364-16-0x0000000000FA0000-0x000000000146C000-memory.dmp

            Filesize

            4.8MB

          • memory/3364-8-0x0000000005000000-0x0000000005001000-memory.dmp

            Filesize

            4KB

          • memory/3364-1-0x0000000077014000-0x0000000077016000-memory.dmp

            Filesize

            8KB

          • memory/3364-2-0x0000000000FA0000-0x000000000146C000-memory.dmp

            Filesize

            4.8MB

          • memory/3364-4-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

            Filesize

            4KB

          • memory/3364-3-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

            Filesize

            4KB

          • memory/3364-6-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

            Filesize

            4KB

          • memory/3364-5-0x0000000005020000-0x0000000005021000-memory.dmp

            Filesize

            4KB

          • memory/3364-0-0x0000000000FA0000-0x000000000146C000-memory.dmp

            Filesize

            4.8MB

          • memory/3364-11-0x0000000005030000-0x0000000005031000-memory.dmp

            Filesize

            4KB

          • memory/3364-10-0x0000000005040000-0x0000000005041000-memory.dmp

            Filesize

            4KB

          • memory/3364-9-0x0000000005010000-0x0000000005011000-memory.dmp

            Filesize

            4KB

          • memory/3364-7-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

            Filesize

            4KB

          • memory/3660-55-0x0000024D74C20000-0x0000024D74C30000-memory.dmp

            Filesize

            64KB

          • memory/3660-64-0x00007FF940A30000-0x00007FF9414F1000-memory.dmp

            Filesize

            10.8MB

          • memory/3660-53-0x0000024D755E0000-0x0000024D75602000-memory.dmp

            Filesize

            136KB

          • memory/3660-59-0x0000024D74C10000-0x0000024D74C1A000-memory.dmp

            Filesize

            40KB

          • memory/3660-58-0x0000024D75790000-0x0000024D757A2000-memory.dmp

            Filesize

            72KB

          • memory/3660-54-0x00007FF940A30000-0x00007FF9414F1000-memory.dmp

            Filesize

            10.8MB

          • memory/3660-56-0x0000024D74C20000-0x0000024D74C30000-memory.dmp

            Filesize

            64KB