Analysis

  • max time kernel
    178s
  • max time network
    183s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/08/2026, 13:58

General

  • Target
    a5173ae661db52a3808e43126e5dfa58c3248d0310750e23d3c905091365f2b9.msi
  • Size 5.2MB
  • Sample260806-q94aeaxtf1
  • SHA256 a5173ae661db52a3808e43126e5dfa58c3248d0310750e23d3c905091365f2b9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • hijackloader

Attributes
  • directory

    %APPDATA%\com_core_observer_net48_

  • inject_dll

    %windir%\SysWOW64\input.dll

xor.hex

Extracted

Family
  • remcos

Version
  • 7.2.6 Pro

Botnet
  • JULIO 29 MUCHACHA 2026

C2
  • servicios.piizaparquinq.info:5510

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    niuytnsda

  • mouse_option

    false

  • mutex

    Rmc-19W1ZH

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: HijackLoader, IDAT loader, Ghostulse,

    HijackLoader is a multi-stage loader, first seen in 2023.

  • Family: Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Detects HijackLoader (aka IDAT Loader) 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 24 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Windows directory 12 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\a5173ae661db52a3808e43126e5dfa58c3248d0310750e23d3c905091365f2b9.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4340
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4916
      • C:\Users\Admin\AppData\Roaming\Panache\Dynamic-Proc.exe
        "C:\Users\Admin\AppData\Roaming\Panache\Dynamic-Proc.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5944
        • C:\ProgramData\com_core_observer_net48_\Dynamic-Proc.exe
          C:\ProgramData\com_core_observer_net48_\Dynamic-Proc.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:4712
          • C:\Users\Admin\BeacoAgent.exe
            C:\Users\Admin\BeacoAgent.exe
            4⤵
            • Loads dropped DLL
            PID:2808
          • C:\Users\Admin\AppData\Roaming\com_core_observer_net48_\libhost.exe
            C:\Users\Admin\AppData\Roaming\com_core_observer_net48_\libhost.exe
            4⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:4440
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4276
    • C:\ProgramData\com_core_observer_net48_\Dynamic-Proc.exe
      C:\ProgramData\com_core_observer_net48_\Dynamic-Proc.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2104
      • C:\Users\Admin\BeacoAgent.exe
        C:\Users\Admin\BeacoAgent.exe
        2⤵
        • Loads dropped DLL
        PID:428
      • C:\Users\Admin\AppData\Roaming\com_core_observer_net48_\libhost.exe
        C:\Users\Admin\AppData\Roaming\com_core_observer_net48_\libhost.exe
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1312

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59ab5a.rbs

          • Path C:\Config.Msi\e59ab5a.rbs
          • Size 9KB
          • SHA256 81ce403db1c4933e622d470c63f1b63947992de7249cd51dc3ad3cc61867ef98
          • MD5 SHA1 SHA512 SSDEEP TLSH

          A1FFC96.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\A1FFC96.tmp
          • Size 1.8MB
          • SHA256 8ced37aa0590a8dacc8f7ac7fdd4a721af5184a269931d15410ec2f3de243cc7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          A1FFC96.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\A1FFC96.tmp
          • Size 1.8MB
          • SHA256 adeb950f27d2c3eac5f599acb75b97fe5819f7bae15ee96193f0b915a843b292
          • MD5 SHA1 SHA512 SSDEEP TLSH

          DBB2270.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\DBB2270.tmp
          • Size 40B
          • SHA256 fbb917feed279d8f05e91237421b84abb41e42fad378e69fc23d2779205336ff
          • MD5 SHA1 SHA512

          F5DDB4E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\F5DDB4E.tmp
          • Size 1.8MB
          • SHA256 4390a6603c150dddfacb5400b1b20cfe5eb3a7fa31866b14309f1f0068cf2761
          • MD5 SHA1 SHA512 SSDEEP TLSH

          F5DDB4E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\F5DDB4E.tmp
          • Size 1.8MB
          • SHA256 d68406895c8244c99471c955c8676c5b640cf955e3dc8476bb9b1efae2591c13
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Dynamic-Proc.exe

          • Path C:\Users\Admin\AppData\Roaming\Panache\Dynamic-Proc.exe
          • Size 77KB
          • SHA256 92b4826491140f57e3e92fe05d1b0abcae06a335b40e77dbf8bfe63c164ac27c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSVCP140.dll

          • Path C:\Users\Admin\AppData\Roaming\Panache\MSVCP140.dll
          • Size 605KB
          • SHA256 e0add11321940f454122e9505e9574957168abb885176b86d63a092928bc9453
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSVCP140_1.dll

          • Path C:\Users\Admin\AppData\Roaming\Panache\MSVCP140_1.dll
          • Size 24KB
          • SHA256 a9a54f960dd83fbe1c55752d8d976d3516ad7ae25b060501728f0c1262524dd4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.VC90.CRT.manifest

          • Path C:\Users\Admin\AppData\Roaming\Panache\Microsoft.VC90.CRT.manifest
          • Size 1KB
          • SHA256 f20bc224a6e3ef391c67fd91378e2ec9734e450ea30ac1d6b84e5acb4ac9a087
          • MD5 SHA1 SHA512 TLSH

          Qt5Core.dll

          • Path C:\Users\Admin\AppData\Roaming\Panache\Qt5Core.dll
          • Size 5.7MB
          • SHA256 345652037e78935c95a9e3d781c95da10fc113f82d28baba4c0fdeeefa2a1a80
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Qt5Network.dll

          • Path C:\Users\Admin\AppData\Roaming\Panache\Qt5Network.dll
          • Size 1.3MB
          • SHA256 e797e51e952669313f823641450b3c132231634151d419981d120ea6827d1fae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCRUNTIME140.dll

          • Path C:\Users\Admin\AppData\Roaming\Panache\VCRUNTIME140.dll
          • Size 83KB
          • SHA256 27c51ff3dc2f4cf2b61bdf55fb60148ef0abb06c2feae188c30f1a63f9e29caa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          eventsync.lib

          • Path C:\Users\Admin\AppData\Roaming\Panache\eventsync.lib
          • Size 30KB
          • SHA256 e65c8916ab4cb513fe2dcecf8f30e2d810f1d8247acc3f47f6da75c6563843e6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          factory.lib

          • Path C:\Users\Admin\AppData\Roaming\Panache\factory.lib
          • Size 1.6MB
          • SHA256 38cb527adae957eb3822618522539412122ed4c3ec53d640bd9b6b8d96781674
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msvcp_win.dll

          • Path C:\Users\Admin\AppData\Roaming\Panache\msvcp_win.dll
          • Size 626KB
          • SHA256 e1a99ac49449ef7fcf07ee571553870f3c7bb8b3fdad97ea93276987ecff0333
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ucrtbase.dll

          • Path C:\Users\Admin\AppData\Roaming\Panache\ucrtbase.dll
          • Size 1.3MB
          • SHA256 db6bc090827c93a24ed59bd73a6889f99b284c59e9abc9ad8bf1985d0b6ad14d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vcruntime140_1.dll

          • Path C:\Users\Admin\AppData\Roaming\Panache\vcruntime140_1.dll
          • Size 43KB
          • SHA256 3b792da47040c3b3e0804cdc5153eef4e802b6975963029d8dc360cb824a7b62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libhost.exe

          • Path C:\Users\Admin\AppData\Roaming\com_core_observer_net48_\libhost.exe
          • Size 432KB
          • SHA256 3c73732dbf5dd0a75d1c909436983bfc4f20d8fa5bd9cd9a7a31e105dd2b71d9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          BeacoAgent.exe

          • Path C:\Users\Admin\BeacoAgent.exe
          • Size 298KB
          • SHA256 ae7f750cc8e002804edbf463059b60d9ac9d1c97155f532de4380a81a22a0f39
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59ab59.msi

          • Path C:\Windows\Installer\e59ab59.msi
          • Size 5.2MB
          • SHA256 a5173ae661db52a3808e43126e5dfa58c3248d0310750e23d3c905091365f2b9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 35fa5746b8172db3b69595e0565b99d1613cac9eaf6832fb32718dd63fb94909
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {7964b5b1-d3d3-4694-8e57-76d556f45d4b}_OnDiskSnapshotProp

          • Path \??\Volume{c576ab2f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{7964b5b1-d3d3-4694-8e57-76d556f45d4b}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 31d3de3d4321bac832884b1158b0a994d73b0ceff053c2f32c54edc020f8dd97
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/428-107-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/428-110-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/1312-116-0x00007FFF0FB80000-0x00007FFF0FDE3000-memory.dmp

          memory/2104-96-0x00007FFEF5C90000-0x00007FFEF5CF3000-memory.dmp

          memory/2104-101-0x00007FFEF5C90000-0x00007FFEF5CF3000-memory.dmp

          memory/2104-98-0x00007FFEF5C90000-0x00007FFEF5CF3000-memory.dmp

          memory/2808-76-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-103-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-95-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-121-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-79-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-100-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-77-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-118-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-68-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-122-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-108-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-123-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/2808-111-0x0000000140000000-0x00000001400B7000-memory.dmp

          memory/4440-86-0x0000000075170000-0x00000000751C2000-memory.dmp

          memory/4440-84-0x00007FFF0FB80000-0x00007FFF0FDE3000-memory.dmp

          memory/4712-66-0x00007FFEF14C0000-0x00007FFEF1523000-memory.dmp

          memory/4712-60-0x00007FFEF14C0000-0x00007FFEF1523000-memory.dmp

          memory/4712-62-0x00007FFEF14C0000-0x00007FFEF1523000-memory.dmp

          memory/5944-46-0x00007FFEF14C0000-0x00007FFEF1523000-memory.dmp