Analysis

  • user interaction
    yes
  • max time kernel
    56s
  • max time network
    44s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    10/08/2026, 12:25

General

  • Target
    Retrac_3.0.8_x64_en-US.msi
  • Size 14.4MB
  • Sample260810-pl3hjaydma
  • SHA256 f25ac4aed0f36abdb2f0ea2cdb67e4249d7d70467718f718445559cf4e0ffd89
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 4 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 1 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_3.0.8_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
    PID:5792
  • 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 WriteProcessMemory
    PID:5800
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C8A4D031B242302DF5ECB3155571E7A1 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3424
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:952
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2600

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58ac2a.rbs

          • Path C:\Config.Msi\e58ac2a.rbs
          • Size 10KB
          • SHA256 bd7d1cacd95337173f7458d030bd3b30d54935e2c461700283096f869e3bbbd2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          retrac.exe

          • Path C:\Program Files\Retrac\retrac.exe
          • Size 26.0MB
          • SHA256 2550eee702fb10f576042a913674938b4a4becdcf9b887853dbaef46d6f90bd2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Retrac.lnk

          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Retrac\Retrac.lnk
          • Size 1KB
          • SHA256 c3b27683566650f9733de75dd592b6a1b5e9d3c8e44ac241aedea04637028bf2
          • MD5 SHA1 SHA512 TLSH

          Retrac.lnk~RFe58af75.TMP

          • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Retrac\Retrac.lnk~RFe58af75.TMP
          • Size 1KB
          • SHA256 4ba0ee36e3bb2f6f8cde83b59e617845d7708f890d48d9fdb33b0b96716267f8
          • MD5 SHA1 SHA512 TLSH

          616AD1AB067CFD351D6C0EF6F3E12F40

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\616AD1AB067CFD351D6C0EF6F3E12F40
          • Size 1KB
          • SHA256 9d9e8ad7b7e2bebe98dee283adb6496263f945acb2db3f3af94b1b8b1228f195
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_B989BB1CBF9ED0A18C88CA75EE4B928E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_B989BB1CBF9ED0A18C88CA75EE4B928E
          • Size 727B
          • SHA256 d1c5535df711a0fcd82e8c3c5819d7348acf236248d114975d54ff752ce0952a
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 5eb0b2fdc40aca70fd0464567e5fddc6b6594feb30d170fed0695ce22a4e77b0
          • MD5 SHA1 SHA512 TLSH

          616AD1AB067CFD351D6C0EF6F3E12F40

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\616AD1AB067CFD351D6C0EF6F3E12F40
          • Size 252B
          • SHA256 4471988a772fc7d80a7a43cce9cc206cf73382461ded986731de0fe5ba6594f6
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_B989BB1CBF9ED0A18C88CA75EE4B928E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_B989BB1CBF9ED0A18C88CA75EE4B928E
          • Size 408B
          • SHA256 77378e2256d1be1af3eff2dd39353f35e99b06c89b14cad57568863d92c50429
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 4715bea4f20b274c27657956bed4004996d9571460c4f0553d4df61bd9923794
          • MD5 SHA1 SHA512 TLSH

          MSI5ABD.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI5ABD.tmp
          • Size 132KB
          • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58ac29.msi

          • Path C:\Windows\Installer\e58ac29.msi
          • Size 14.4MB
          • SHA256 f25ac4aed0f36abdb2f0ea2cdb67e4249d7d70467718f718445559cf4e0ffd89
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 79a7b2a6418b443bb1561760a2da2d990fc2d4bfc810dcdb4dd0ef924bffd00c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {b905d84d-2d7e-44a9-955b-0b42b56d9fa6}_OnDiskSnapshotProp

          • Path \??\Volume{13ce4998-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{b905d84d-2d7e-44a9-955b-0b42b56d9fa6}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 0d12d871fa4bdd5fa6536aa863526d73e0de91492000f492219538865c620e9e
          • MD5 SHA1 SHA512 SSDEEP TLSH