Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 01:15

General

  • Target
    install_c0rd004.msi
  • Size 8.6MB
  • Sample260801-bmhmvsck7s
  • SHA256 715ce60379895aebe10490d0f09c4c0d30accb0f71e7d7d0856dec80a4efe0a3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Badlisted process makes network request 7 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 System32 directory 9 IoCs
  • Drops file in Windows directory 13 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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 9 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious behavior: LoadsDriver 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\install_c0rd004.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4380
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • 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:4328
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3200
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding C6914E9E7640B35D8DB7D92BC27EDD81 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Badlisted process makes network request
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5516
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5144
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1312
    • C:\Users\Public\JYabIi\6Fc1Te.exe
      "C:\Users\Public\JYabIi\6Fc1Te.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:5784

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e599e5a.rbs

          • Path C:\Config.Msi\e599e5a.rbs
          • Size 7KB
          • SHA256 fc3ef4cb9f164627ae2a4badc69cc20f415714b477cfe65e2a5473a953378afd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          6Fc1Te.exe

          • Path C:\Users\Public\JYabIi\6Fc1Te.exe
          • Size 135KB
          • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          UxEnhance64.dll

          • Path C:\Users\Public\JYabIi\UxEnhance64.dll
          • Size 3.1MB
          • SHA256 37c02f03dc699767edfd2689d2a6a0fd5544479f17bfd8454fa3b7a4ba7d7d50
          • MD5 SHA1 SHA512 SSDEEP TLSH

          adoresd.dat

          • Path C:\Users\Public\JYabIi\adoresd.dat
          • Size 4.7MB
          • SHA256 96a415c7e8f57903507bb2f43f5a2062d3c428686b0a99a96ca6ac380b48f990
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msadox.tb

          • Path C:\Users\Public\JYabIi\msadox.tb
          • Size 8KB
          • SHA256 47d8ad5c8ebbd1217d5ae90a4a7024ebf828af941d3447247c32b6e77041ab1f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIA30D.tmp

          • Path C:\Windows\Installer\MSIA30D.tmp
          • Size 8.5MB
          • SHA256 1220a95f82c6f700b9ddf4571af4acd2169ab87bb97e7e5a664eeba1cb89d353
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e599e59.msi

          • Path C:\Windows\Installer\e599e59.msi
          • Size 8.6MB
          • SHA256 715ce60379895aebe10490d0f09c4c0d30accb0f71e7d7d0856dec80a4efe0a3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 323c407d69ae5f29df474a67c2ee9e82b97a7d457babb13bdb28fb5073b7cbeb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {db37831b-3486-457a-848f-2a008dc75f4e}_OnDiskSnapshotProp

          • Path \??\Volume{cba08e50-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{db37831b-3486-457a-848f-2a008dc75f4e}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 e23ebed98974b2ecc0e711698038edc698adb88e22772c02b4ca236d561052b8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4328-16-0x000001BC1B7C0000-0x000001BC1C164000-memory.dmp

          memory/5516-12-0x00007FFD57590000-0x00007FFD57592000-memory.dmp

          memory/5516-13-0x00007FFD33460000-0x00007FFD33AB2000-memory.dmp

          memory/5516-17-0x00007FFD4F160000-0x00007FFD4F172000-memory.dmp

          memory/5516-52-0x00007FFD4F160000-0x00007FFD4F172000-memory.dmp

          memory/5784-75-0x00007FFD57590000-0x00007FFD57592000-memory.dmp

          memory/5784-76-0x00007FFD335A0000-0x00007FFD33ABE000-memory.dmp

          memory/5784-81-0x000001CDA2DB0000-0x000001CDA3641000-memory.dmp

          memory/5784-83-0x00007FFD575A0000-0x00007FFD575A2000-memory.dmp

          memory/5784-84-0x000001CDA2DB0000-0x000001CDA3641000-memory.dmp

          memory/5784-88-0x000001CDA2DB0000-0x000001CDA3641000-memory.dmp

          memory/5784-89-0x000001CDA2DB0000-0x000001CDA3641000-memory.dmp

          memory/5784-90-0x000001CDA2DB0000-0x000001CDA3641000-memory.dmp

          memory/5784-91-0x000001CDA2DB0000-0x000001CDA3641000-memory.dmp