Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 23:23

General

  • Target
    Retrac_3.0.3_x64_en-US.msi
  • Size 14.0MB
  • Sample260629-3dd2vsaw9l
  • SHA256 84067918311a0ad49070866ce599ade8c770274e4306b143c26df337ecf5b71f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 2 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 2 IoCs
  • Drops file in Windows directory 14 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.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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\Retrac_3.0.3_x64_en-US.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:6128
  • 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:4488
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding D1B9B62C3B14BEE3C246D2AEC8BA4293 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:6356
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:6508
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:6876

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5979da.rbs

          • Path C:\Config.Msi\e5979da.rbs
          • Size 10KB
          • SHA256 3f3464bb0544173936df763c57a9325291d85fad8a6663d16ad9598c67fdc5fb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          retrac.exe

          • Path C:\Program Files\Retrac\retrac.exe
          • Size 24.9MB
          • SHA256 abd551f365986df7b6da327106b0ca3c1f4bc53a600143ffeb83dba9118812cd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Retrac.lnk

          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Retrac\Retrac.lnk
          • Size 1KB
          • SHA256 bd7c85bfd4d7c40cfaf881e1b43de2b8dcfeaaa8dd9c4021ae958ad62fc50394
          • MD5 SHA1 SHA512 TLSH

          Retrac.lnk~RFe5980de.TMP

          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Retrac\Retrac.lnk~RFe5980de.TMP
          • Size 1KB
          • SHA256 5c82e72aff5eb0a6d17936e0eab45fba7f94d497dc36b88f0cbce3351b92ca5a
          • MD5 SHA1 SHA512 TLSH

          698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB
          • Size 471B
          • SHA256 8b6a779474f7fefd0f15b81e3e0b00a8df649e762c0914a837f17190d61ea341
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_B989BB1CBF9ED0A18C88CA75EE4B928E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_B989BB1CBF9ED0A18C88CA75EE4B928E
          • Size 727B
          • SHA256 25384c31f9723aa1d405672e1019a00333b6b1a2e1998f4726dc09a27b35f99f
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 e416b89143bb8067811134a79f5a893accd4835bdccdb8ac00a1ade8df07fe0e
          • MD5 SHA1 SHA512 TLSH

          698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB
          • Size 400B
          • SHA256 a1b23ed8d05d3730c0940d79bbc328b341f47c4988326832748ad76aa0842e15
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_B989BB1CBF9ED0A18C88CA75EE4B928E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_B989BB1CBF9ED0A18C88CA75EE4B928E
          • Size 408B
          • SHA256 9bc17dbc26f7673162137d386463fd1ca6f23efb6f1ec5b0fa41e565c487412c
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 4c83179880781c156018b97f369187cc7d05c5c01d1aa474607ba538ca87fc5d
          • MD5 SHA1 SHA512 TLSH

          MSI2B0E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2B0E.tmp
          • Size 132KB
          • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5979d9.msi

          • Path C:\Windows\Installer\e5979d9.msi
          • Size 14.0MB
          • SHA256 84067918311a0ad49070866ce599ade8c770274e4306b143c26df337ecf5b71f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 2bce4c24316330c8e273a5443c15d090e540ebb7b1e750ec7543683382611029
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {805458c7-cd09-4efd-a89d-dbe811ea138c}_OnDiskSnapshotProp

          • Path \??\Volume{f3f1e660-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{805458c7-cd09-4efd-a89d-dbe811ea138c}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 656bd31efae2c87208044e550aaa1b16f39515ff202c39ddb1077b8bc7ad41d3
          • MD5 SHA1 SHA512 SSDEEP TLSH