Overview

overview

7

Static

static

3

RexadorInstaller.msi

windows10-2004-x64

7

RexadorInstaller.msi

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 17:46

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General

  • Target
    RexadorInstaller.msi
  • Size 129.2MB
  • Sample260925-wckdxssfma
  • SHA256 71b0c4dd832beff92a73fb849c1fc730d65e9be3e24676b4a0e29332bc6b3391
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoverypersistenceprivilege_escalationransomware

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Enumerates connected drives 3 TTPs 47 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • 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.

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\RexadorInstaller.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2376
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding ED8E15118685019BE16C188172EF7D12 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5092
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3980
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F951BC9EEB78D78A530A74F4FCA6C5F2
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1644
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1828

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5a6beb.rbs
          • Path C:\Config.Msi\e5a6beb.rbs
          • Size 73KB
          • SHA256 322f08503003e9abbf5d8fa1e3baf2c80249a7ebff47a116d59de889bf345230
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          System.ValueTuple.dll
          • Path C:\Program Files (x86)\Rexador Team\Rexador Bot - Veteran Edition\System.ValueTuple.dll
          • Size 24KB
          • SHA256 e905d102585b22c6df04f219af5cbdbfa7bc165979e9788b62df6dcc165e10f4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSIDDE3.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSIDDE3.tmp
          • Size 298KB
          • SHA256 da1fe86141c446921021bb26b6fe2bd2d1bb51e3e614f46f8103ffad8042f2c0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _103A51DF7E53A5A7FF33E0.exe
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Installer\{24071C19-6750-4F60-A23C-92BF5B5ABB22}\_103A51DF7E53A5A7FF33E0.exe
          • Size 205KB
          • SHA256 d8fed187df86b04a49a38c69b069129fcd9a3f1250d7b23aeb288e9064930188
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 8a2ce400d05370ccb361dce369baf8e8cfd8d92d7dd91af8b47658c46d6cd95c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {33e0ec5b-8de3-4e10-9399-db9f76d9d144}_OnDiskSnapshotProp
          • Path \??\Volume{e3f46304-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{33e0ec5b-8de3-4e10-9399-db9f76d9d144}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 6d6db6267249342cdf4f3b4d53fc44418f5c5aa9a2ac76a12fccc22d3ce5432c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download