Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 04:25

General

  • Target
    lsa_v1.2.2_20251208_windows_x86-installer.msi
  • Size 12.9MB
  • Sample260629-e18yracz9t
  • SHA256 a943c34695bb9326b96a93bbbbf5c1bd038c4ec08bce85998781f2fb20bb3753
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 6 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 1 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.

  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 10 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 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.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\lsa_v1.2.2_20251208_windows_x86-installer.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1396
  • 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 use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5860
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1048
      • C:\Program Files (x86)\LSA\bin\lsa.exe
        "C:\Program Files (x86)\LSA\bin\lsa.exe" activate --silent --installer C:\Users\Admin\AppData\Local\Temp\lsa_v1.2.2_20251208_windows_x86-installer.msi --cwd C:\Users\Admin\AppData\Local\Temp\
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        PID:1696
      • C:\Windows\system32\taskkill.exe
        taskkill.exe /IM lsa.exe /F
        2⤵
        • Kills process with taskkill
        PID:1524
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:1228

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e594abc.rbs

          • Path C:\Config.Msi\e594abc.rbs
          • Size 9KB
          • SHA256 4a4513ebff52f94f6733d654577714c6cc43202d3955d4b9b2471c861c15ed22
          • MD5 SHA1 SHA512 SSDEEP TLSH

          WinDivert.dll

          • Path C:\Program Files (x86)\LSA\bin\WinDivert.dll
          • Size 212KB
          • SHA256 f21221989f1e55981b9606ec9ca83efd1365998d8a02ed4fee9ff84620fedb5b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          lsa.exe

          • Path C:\Program Files (x86)\LSA\bin\lsa.exe
          • Size 21.0MB
          • SHA256 7305ba18b573d5691648477fa7f269ca62645af1b788ea59edc55a813653aafe
          • MD5 SHA1 SHA512 SSDEEP TLSH

          sscronet.dll

          • Path C:\Program Files (x86)\LSA\bin\sscronet.dll
          • Size 7.5MB
          • SHA256 5dc5390e03c42808b59186aa41375364e39bdeae3b31569710d4fcaf7634953e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          preference.db

          • Path C:\ProgramData\LSA\cache\preference.db
          • Size 4KB
          • SHA256 14948fa5e2d8f2d2f9d9f9349a2626f275b36c870d724b183d7c9216d676f20e
          • MD5 SHA1 SHA512 TLSH

          e594abb.msi

          • Path C:\Windows\Installer\e594abb.msi
          • Size 12.9MB
          • SHA256 a943c34695bb9326b96a93bbbbf5c1bd038c4ec08bce85998781f2fb20bb3753
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 85ba5150ca152a2099ee0ef2859b2900ef25fa4cd9fcfee83503878af872c78b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {7a1673a9-04b5-42a3-b5c2-6fbc2000cdd9}_OnDiskSnapshotProp

          • Path \??\Volume{d164085c-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{7a1673a9-04b5-42a3-b5c2-6fbc2000cdd9}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 c10884f202bb3d85cd1e3eabb84550550baaa671221d5c4a5200cc58504cb65c
          • MD5 SHA1 SHA512 SSDEEP TLSH