Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 00:23

General

  • Target
    4f8f19ac.msi
  • Size 6.7MB
  • Sample260804-apvjrssxhz
  • SHA256 16628054549d3e1f10ea645ab7e34be6ee10934ea483951489c6ce32eef7921e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • hijackloader

Attributes
  • directory

    %APPDATA%\CitiumDataset

  • inject_dll

    %windir%\SysWOW64\rasapi32.dll

xor.hex

Signatures

  • Family: HijackLoader, IDAT loader, Ghostulse,

    HijackLoader is a multi-stage loader, first seen in 2023.

  • Detects HijackLoader (aka IDAT Loader) 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 26 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 Windows directory 12 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 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.

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

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

  • Suspicious behavior: EnumeratesProcesses 3 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\4f8f19ac.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4764
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4816
      • C:\Users\Admin\AppData\Roaming\Alligator\S_Fusion.exe
        "C:\Users\Admin\AppData\Roaming\Alligator\S_Fusion.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1172
        • C:\ProgramData\CitiumDataset\S_Fusion.exe
          C:\ProgramData\CitiumDataset\S_Fusion.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1252
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3080

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59e314.rbs

          • Path C:\Config.Msi\e59e314.rbs
          • Size 9KB
          • SHA256 810af9ae11dc90e262b01f807d2442004ad192ee704be7fe45106b34ebd4aac4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          S_Fusion.exe

          • Path C:\Users\Admin\AppData\Roaming\Alligator\S_Fusion.exe
          • Size 1.8MB
          • SHA256 c82d2de495350be0453d25cc9939eb0ab7dd51b10f1db290c709f224465f70c1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          clustersec.cfg

          • Path C:\Users\Admin\AppData\Roaming\Alligator\clustersec.cfg
          • Size 8KB
          • SHA256 37b84449458e3bf7b8a65c6f8f278d08358c55a74ac3dc92c9eb0bf03c7ab992
          • MD5 SHA1 SHA512 SSDEEP TLSH

          datastate.dll

          • Path C:\Users\Admin\AppData\Roaming\Alligator\datastate.dll
          • Size 78KB
          • SHA256 7623436ebbed5c00bc08683bb24978562f7452f24f35af314dbf950782f64eed
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dispatch16.so

          • Path C:\Users\Admin\AppData\Roaming\Alligator\dispatch16.so
          • Size 4.4MB
          • SHA256 18e2f2c66522f2e88b96ee862d9382e2453380566da8c8ec660f1ec89e481025
          • MD5 SHA1 SHA512 SSDEEP TLSH

          madBasic_.bpl

          • Path C:\Users\Admin\AppData\Roaming\Alligator\madBasic_.bpl
          • Size 212KB
          • SHA256 4926203fdd4fd70b55409e84728faf927d71274fb368193205d44e4f04a605f8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          madDisAsm_.bpl

          • Path C:\Users\Admin\AppData\Roaming\Alligator\madDisAsm_.bpl
          • Size 64KB
          • SHA256 20ddd0bdf076a91d9d82c8e447e1dbf6dba52fe6613cfe1e5373aeac7f889b62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          madExcept_.bpl

          • Path C:\Users\Admin\AppData\Roaming\Alligator\madExcept_.bpl
          • Size 438KB
          • SHA256 655c2a4b484ce587c8c99cbc17f7cada640e79fc8f92b4de2d68882d79c0c815
          • MD5 SHA1 SHA512 SSDEEP TLSH

          msvcp_win.dll

          • Path C:\Users\Admin\AppData\Roaming\Alligator\msvcp_win.dll
          • Size 489KB
          • SHA256 a6ddbc4954687b359c4b1bc7105647828ed9c6c34fba89c395806ea2420dbb2f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          rtl120.bpl

          • Path C:\Users\Admin\AppData\Roaming\Alligator\rtl120.bpl
          • Size 1.1MB
          • SHA256 b3dee68af7b2805f6cf74976b60564dcc7d6d38444078d32cdca99ee1bb5bb22
          • MD5 SHA1 SHA512 SSDEEP TLSH

          sqlite3.dll

          • Path C:\Users\Admin\AppData\Roaming\Alligator\sqlite3.dll
          • Size 908KB
          • SHA256 bc0c750c98bd413e7975e8b17b1101c346dda53100020161bc5141f77ed98932
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ucrtbase.dll

          • Path C:\Users\Admin\AppData\Roaming\Alligator\ucrtbase.dll
          • Size 1.1MB
          • SHA256 50825771d83ed274c814961c7d84e124539821f647f71c8a60b620a3008a1605
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vcl120.bpl

          • Path C:\Users\Admin\AppData\Roaming\Alligator\vcl120.bpl
          • Size 1.9MB
          • SHA256 19e61333b1d1732a0af016c792f633b8f96c0ce8651d991da60e7527c2c6c559
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59e313.msi

          • Path C:\Windows\Installer\e59e313.msi
          • Size 6.7MB
          • SHA256 16628054549d3e1f10ea645ab7e34be6ee10934ea483951489c6ce32eef7921e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 c5176c03401688f762abb367df2692add80d99d48d8b2761577f7f55038278b5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {a2443214-febf-4cfe-95e7-4aaeb585f0bd}_OnDiskSnapshotProp

          • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{a2443214-febf-4cfe-95e7-4aaeb585f0bd}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 4c141750d552e92f5c0a0f30e9eff6e432fc891d69324e38c82573b7103471d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1172-56-0x0000000000400000-0x0000000000603000-memory.dmp

          memory/1172-100-0x00000000748A0000-0x0000000074995000-memory.dmp

          memory/1172-58-0x0000000059800000-0x000000005986E000-memory.dmp

          memory/1172-77-0x0000000000400000-0x0000000000603000-memory.dmp

          memory/1172-83-0x0000000061E00000-0x0000000061ECA000-memory.dmp

          memory/1172-60-0x0000000057800000-0x0000000057812000-memory.dmp

          memory/1172-62-0x0000000061E00000-0x0000000061ECA000-memory.dmp

          memory/1172-59-0x0000000057000000-0x000000005703F000-memory.dmp

          memory/1172-61-0x0000000050120000-0x000000005030E000-memory.dmp

          memory/1172-101-0x00007FFBEEA40000-0x00007FFBEECA3000-memory.dmp

          memory/1172-57-0x0000000050000000-0x0000000050117000-memory.dmp

          memory/1252-131-0x0000000061E00000-0x0000000061ECA000-memory.dmp

          memory/1252-128-0x0000000059800000-0x000000005986E000-memory.dmp

          memory/1252-126-0x0000000050000000-0x0000000050117000-memory.dmp

          memory/1252-130-0x0000000050120000-0x000000005030E000-memory.dmp