Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-03-2024 08:31

General

  • Target

    22e4c9489e8ea70cf049a923e4c5684ef452c06478330e92c5aff915c59edd21.exe

  • Size

    1.8MB

  • MD5

    9f1131b52d56f4674109fb3024622484

  • SHA1

    f52d12d6b2cb20faa8efb2b907acc00ea17b10bb

  • SHA256

    22e4c9489e8ea70cf049a923e4c5684ef452c06478330e92c5aff915c59edd21

  • SHA512

    3c33640e15fc45006d3ece9282a49f0c7f279062f4317deabacb381dc7e0ee8215faf8b93d93b7c4ad01bd6ed9bb6e0a735d0caff77c44684a4a246e4540d825

  • SSDEEP

    24576:9DtaCLTFYHoOlfbWlScp/D9oO4h/+ay3uIThqNQpLWrzGizkqJrWko3QUKqxcL4i:9DtaCnFq5ZXhi+vQiNriY4Y8mUob

Score
10/10

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 1 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 1 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22e4c9489e8ea70cf049a923e4c5684ef452c06478330e92c5aff915c59edd21.exe
    "C:\Users\Admin\AppData\Local\Temp\22e4c9489e8ea70cf049a923e4c5684ef452c06478330e92c5aff915c59edd21.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:332
  • 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:2628
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2324
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
        3⤵
          PID:5004
      • 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:1736
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:3172
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4860

      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

        9f1131b52d56f4674109fb3024622484

        SHA1

        f52d12d6b2cb20faa8efb2b907acc00ea17b10bb

        SHA256

        22e4c9489e8ea70cf049a923e4c5684ef452c06478330e92c5aff915c59edd21

        SHA512

        3c33640e15fc45006d3ece9282a49f0c7f279062f4317deabacb381dc7e0ee8215faf8b93d93b7c4ad01bd6ed9bb6e0a735d0caff77c44684a4a246e4540d825

      • 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

        336KB

        MD5

        7423014bd33d1d590c750e4ea4e38dd3

        SHA1

        691940ffb1b6ec4b8484ae19a27aa5c8f552504e

        SHA256

        5c775d12142d92f45770aa4a14ac50cdf352690a62beaba90ca58e7cb4dbbf10

        SHA512

        d8bac2b825b332a41762421eca6a69e4bea5c5c5984877513c3a5bd28c8ed2eb65403d194e8bdac8b6cf43666fbbb8f0ca51f2b970693c8c2388a8841c661be1

      • memory/332-6-0x00000000051C0000-0x00000000051C1000-memory.dmp

        Filesize

        4KB

      • memory/332-4-0x0000000005200000-0x0000000005201000-memory.dmp

        Filesize

        4KB

      • memory/332-5-0x0000000005230000-0x0000000005231000-memory.dmp

        Filesize

        4KB

      • memory/332-0-0x0000000000870000-0x0000000000D17000-memory.dmp

        Filesize

        4.7MB

      • memory/332-9-0x0000000005220000-0x0000000005221000-memory.dmp

        Filesize

        4KB

      • memory/332-8-0x00000000051D0000-0x00000000051D1000-memory.dmp

        Filesize

        4KB

      • memory/332-7-0x00000000051E0000-0x00000000051E1000-memory.dmp

        Filesize

        4KB

      • memory/332-10-0x0000000005240000-0x0000000005241000-memory.dmp

        Filesize

        4KB

      • memory/332-15-0x0000000000870000-0x0000000000D17000-memory.dmp

        Filesize

        4.7MB

      • memory/332-3-0x00000000051F0000-0x00000000051F1000-memory.dmp

        Filesize

        4KB

      • memory/332-2-0x0000000000870000-0x0000000000D17000-memory.dmp

        Filesize

        4.7MB

      • memory/332-1-0x0000000077634000-0x0000000077636000-memory.dmp

        Filesize

        8KB

      • memory/2628-27-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

        Filesize

        4KB

      • memory/2628-35-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-23-0x0000000004D90000-0x0000000004D91000-memory.dmp

        Filesize

        4KB

      • memory/2628-21-0x0000000004D70000-0x0000000004D71000-memory.dmp

        Filesize

        4KB

      • memory/2628-24-0x0000000004D30000-0x0000000004D31000-memory.dmp

        Filesize

        4KB

      • memory/2628-25-0x0000000004D40000-0x0000000004D41000-memory.dmp

        Filesize

        4KB

      • memory/2628-26-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

        Filesize

        4KB

      • memory/2628-20-0x0000000004D60000-0x0000000004D61000-memory.dmp

        Filesize

        4KB

      • memory/2628-28-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-29-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-30-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-31-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-32-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-33-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-34-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-22-0x0000000004D50000-0x0000000004D51000-memory.dmp

        Filesize

        4KB

      • memory/2628-36-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-37-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-38-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-19-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-99-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-18-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-87-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/2628-84-0x0000000000630000-0x0000000000AD7000-memory.dmp

        Filesize

        4.7MB

      • memory/4860-85-0x000001897CE70000-0x000001897CE71000-memory.dmp

        Filesize

        4KB

      • memory/4860-83-0x000001897CE70000-0x000001897CE71000-memory.dmp

        Filesize

        4KB

      • memory/4860-86-0x000001897CF80000-0x000001897CF81000-memory.dmp

        Filesize

        4KB

      • memory/4860-81-0x000001897CE40000-0x000001897CE41000-memory.dmp

        Filesize

        4KB

      • memory/4860-65-0x000001897CB40000-0x000001897CB50000-memory.dmp

        Filesize

        64KB

      • memory/4860-49-0x000001897CA40000-0x000001897CA50000-memory.dmp

        Filesize

        64KB