Analysis

  • max time kernel
    154s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-03-2024 23:52

General

  • Target

    e6ef5d12e63b6934270a3c2a77100e19e0bb0cce42050fab68c09c364d8ed383.exe

  • Size

    1.8MB

  • MD5

    bb0966224e310e6310313d9c565eac56

  • SHA1

    195b0c41a76a01873cd522768d19cba11fb69b6d

  • SHA256

    e6ef5d12e63b6934270a3c2a77100e19e0bb0cce42050fab68c09c364d8ed383

  • SHA512

    812f896597727b3f9a3b79eb890403dad0d8276d69789e673fe525eb59ec6b6a2aa22b77860908e31d78d07bbfa988082c446ca8d8f7e774e3a30507bdedf7f4

  • SSDEEP

    49152:45kqww2DZtnukYykqhJYu6iueaSleI4B9ffD1jaa5Ftxx:WkhJVh+GWuzh4BJ1jakx

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.

  • Executes dropped EXE 2 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 local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6ef5d12e63b6934270a3c2a77100e19e0bb0cce42050fab68c09c364d8ed383.exe
    "C:\Users\Admin\AppData\Local\Temp\e6ef5d12e63b6934270a3c2a77100e19e0bb0cce42050fab68c09c364d8ed383.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:4728
  • 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
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Users\Admin\AppData\Local\Temp\1001073001\swiiiii.exe
      "C:\Users\Admin\AppData\Local\Temp\1001073001\swiiiii.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4952
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 836
        3⤵
        • Program crash
        PID:4056
    • 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:2200
      • 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:2716
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:2980
          • 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\472529282816_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1588
      • 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:2304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4952 -ip 4952
      1⤵
        PID:4084

      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

        bb0966224e310e6310313d9c565eac56

        SHA1

        195b0c41a76a01873cd522768d19cba11fb69b6d

        SHA256

        e6ef5d12e63b6934270a3c2a77100e19e0bb0cce42050fab68c09c364d8ed383

        SHA512

        812f896597727b3f9a3b79eb890403dad0d8276d69789e673fe525eb59ec6b6a2aa22b77860908e31d78d07bbfa988082c446ca8d8f7e774e3a30507bdedf7f4

      • C:\Users\Admin\AppData\Local\Temp\1001073001\swiiiii.exe

        Filesize

        321KB

        MD5

        1c7d0f34bb1d85b5d2c01367cc8f62ef

        SHA1

        33aedadb5361f1646cffd68791d72ba5f1424114

        SHA256

        e9e09c5e5d03d21fca820bd9b0a0ea7b86ab9e85cdc9996f8f1dc822b0cc801c

        SHA512

        53bf85d2b004f69bbbf7b6dc78e5f021aba71b6f814101c55d3bf76e6d058a973bc58270b6b621b2100c6e02d382f568d1e96024464e8ea81e6db8ccd948679d

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gxzu1qav.v5s.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/1588-114-0x00000273562E0000-0x0000027356302000-memory.dmp

        Filesize

        136KB

      • memory/1588-115-0x00007FFAE7A20000-0x00007FFAE84E2000-memory.dmp

        Filesize

        10.8MB

      • memory/1588-116-0x0000027356320000-0x0000027356330000-memory.dmp

        Filesize

        64KB

      • memory/4512-140-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-144-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-91-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-93-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-17-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-18-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-19-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

        Filesize

        4KB

      • memory/4512-20-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

        Filesize

        4KB

      • memory/4512-21-0x0000000004E90000-0x0000000004E91000-memory.dmp

        Filesize

        4KB

      • memory/4512-23-0x0000000004E70000-0x0000000004E71000-memory.dmp

        Filesize

        4KB

      • memory/4512-22-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

        Filesize

        4KB

      • memory/4512-24-0x0000000004E80000-0x0000000004E81000-memory.dmp

        Filesize

        4KB

      • memory/4512-25-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

        Filesize

        4KB

      • memory/4512-126-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-145-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-138-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-143-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-142-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-141-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4512-139-0x00000000002F0000-0x0000000000783000-memory.dmp

        Filesize

        4.6MB

      • memory/4728-0-0x0000000000DC0000-0x0000000001253000-memory.dmp

        Filesize

        4.6MB

      • memory/4728-9-0x00000000059C0000-0x00000000059C1000-memory.dmp

        Filesize

        4KB

      • memory/4728-6-0x0000000005940000-0x0000000005941000-memory.dmp

        Filesize

        4KB

      • memory/4728-7-0x0000000005950000-0x0000000005951000-memory.dmp

        Filesize

        4KB

      • memory/4728-5-0x00000000059A0000-0x00000000059A1000-memory.dmp

        Filesize

        4KB

      • memory/4728-4-0x0000000005960000-0x0000000005961000-memory.dmp

        Filesize

        4KB

      • memory/4728-3-0x0000000005970000-0x0000000005971000-memory.dmp

        Filesize

        4KB

      • memory/4728-2-0x0000000000DC0000-0x0000000001253000-memory.dmp

        Filesize

        4.6MB

      • memory/4728-1-0x0000000077226000-0x0000000077228000-memory.dmp

        Filesize

        8KB

      • memory/4728-8-0x00000000059D0000-0x00000000059D1000-memory.dmp

        Filesize

        4KB

      • memory/4728-14-0x0000000000DC0000-0x0000000001253000-memory.dmp

        Filesize

        4.6MB

      • memory/4772-67-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-86-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-68-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-69-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-70-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-72-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-71-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-73-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-74-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-75-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-76-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-77-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-78-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-79-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-80-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-81-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-83-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-82-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-84-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-85-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-87-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-66-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-88-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-90-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-89-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-65-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-92-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-63-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-64-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-61-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-62-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4772-60-0x0000000001840000-0x0000000001880000-memory.dmp

        Filesize

        256KB

      • memory/4772-59-0x0000000001840000-0x0000000001880000-memory.dmp

        Filesize

        256KB

      • memory/4772-57-0x0000000001840000-0x0000000001880000-memory.dmp

        Filesize

        256KB

      • memory/4772-58-0x0000000001840000-0x0000000001880000-memory.dmp

        Filesize

        256KB

      • memory/4772-56-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/4772-55-0x0000000001840000-0x0000000001841000-memory.dmp

        Filesize

        4KB

      • memory/4772-54-0x0000000001510000-0x0000000001511000-memory.dmp

        Filesize

        4KB

      • memory/4772-49-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/4772-52-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/4952-53-0x0000000002D10000-0x0000000004D10000-memory.dmp

        Filesize

        32.0MB

      • memory/4952-46-0x0000000072BE0000-0x0000000073391000-memory.dmp

        Filesize

        7.7MB

      • memory/4952-45-0x0000000000820000-0x0000000000872000-memory.dmp

        Filesize

        328KB