Overview

overview

7

Static

static

3

simplex-de...1).msi

windows10-2004-x64

7

simplex-de...1).msi

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 15:01

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General

  • Target
    simplex-desktop-windows-x86_64 (1).msi
  • Size 251.1MB
  • Sample260709-sdx5macw2q
  • SHA256 e78e0ec58d53f43bea3c343f06f32f4a1a43f224d8e76a4e9416c6cbd11e8bae
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryransomware

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 46 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 15 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.

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

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 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\simplex-desktop-windows-x86_64 (1).msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2468
  • 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
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 4C733C24596A827A6749821996AB3AA8 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4488
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 45EBF8678EA4874AA9E9076BB099BFDC C
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:3532
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1328
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding B11DEE97C60B525357DA132C1E43E9BC
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3220
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1152

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59ba00.rbs
          • Path C:\Config.Msi\e59ba00.rbs
          • Size 164KB
          • SHA256 91f4413682d7fc398b79ad9cdba556a09e720a391e18acf3bdc9eb205e156f1c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          SimpleX.exe
          • Path C:\Program Files\SimpleX\SimpleX.exe
          • Size 459KB
          • SHA256 ac08f2d6e2b43f4357053fd4a7c98e14175fbbd85c3eaaaf450d0e5922348550
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          LICENSE
          • Path C:\Program Files\SimpleX\runtime\legal\java.desktop\LICENSE
          • Size 33B
          • SHA256 86e0516b888276a492b19f9a84f5a866ed36925fae1510b3a94a0b6213e69192
          • MD5 SHA1 SHA512
          Submit Download

          ADDITIONAL_LICENSE_INFO
          • Path C:\Program Files\SimpleX\runtime\legal\java.logging\ADDITIONAL_LICENSE_INFO
          • Size 49B
          • SHA256 ebf9777bd307ed789ceabf282a9aca168c391c7f48e15a60939352efb3ea33f9
          • MD5 SHA1 SHA512
          Submit Download

          ASSEMBLY_EXCEPTION
          • Path C:\Program Files\SimpleX\runtime\legal\jdk.zipfs\ASSEMBLY_EXCEPTION
          • Size 44B
          • SHA256 b998cda101e5a1ebcfb5ff9cddd76ed43a2f2169676592d428b7c0d780665f2a
          • MD5 SHA1 SHA512
          Submit Download

          MSI5191.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI5191.tmp
          • Size 113KB
          • SHA256 aecd2d2fe766f6d439acc2bbf1346930ecc535012cf5ad7b3273d2875237b7e7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSI529C.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI529C.tmp
          • Size 103KB
          • SHA256 1e6d1d87d32c241a12f9ce76affd1120e13b4882b488c046775465b121ff6862
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSID43E.tmp
          • Path C:\Windows\Installer\MSID43E.tmp
          • Size 211KB
          • SHA256 c8d190d5be1efd2d52f72a72ae9dfa3940ab3faceb626405959349654fe18b74
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 455335f0ff294345af1ab446e832df9afdcb48d0f77b544e62e4ffa2945ff090
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {6d72834d-f94d-4b1a-b975-e0560a56392f}_OnDiskSnapshotProp
          • Path \??\Volume{45215830-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{6d72834d-f94d-4b1a-b975-e0560a56392f}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 8744af03a577052a2489d9bf318d6acdc9f271b9adcc3b043402aa319d8202ec
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download