Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/07/2026, 11:14

General

  • Target
    EWPZBSBT.msi
  • Size 5.0MB
  • Sample260726-nb99ysfl4t
  • SHA256 e8e9e5a2b793f043ed422e9b3d5906d887919c37218e24cc28eec3e086f5db4e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • hijackloader

Attributes
  • directory

    %APPDATA%\JDManager

  • inject_dll

    %windir%\SysWOW64\input.dll

xor.hex

Extracted

Family
  • lumma

C2
  • https://mastojh.cyou

  • https://decrnoj.club/xxx

  • https://pomflgf.vu/help

  • https://carytui.vu/caccc

  • https://mushxhb.best/info

  • https://genugsq.best/main

  • https://ulmudhw.shop/create

  • https://strikql.shop/owner

  • https://longmbx.click/manifest

Attributes
  • build_id

    696d37230a78138cfcce54ff29deb67cca38cb4fa201

Signatures

  • Family: HijackLoader, IDAT loader, Ghostulse,

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

  • Family: Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Detects HijackLoader (aka IDAT Loader) 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 14 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 2 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 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 11 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\EWPZBSBT.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4992
  • 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:5772
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2680
      • C:\Users\Admin\AppData\Local\Squiredom\AdvancedSwitch.exe
        "C:\Users\Admin\AppData\Local\Squiredom\AdvancedSwitch.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5644
        • C:\ProgramData\JDManager\AdvancedSwitch.exe
          C:\ProgramData\JDManager\AdvancedSwitch.exe
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2576
          • C:\Users\Admin\MicroMa64.exe
            C:\Users\Admin\MicroMa64.exe
            4⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            PID:5064
          • C:\Users\Admin\AppData\Roaming\JDManager\Crisp.exe
            C:\Users\Admin\AppData\Roaming\JDManager\Crisp.exe
            4⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:5716
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2928

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59f90d.rbs

          • Path C:\Config.Msi\e59f90d.rbs
          • Size 9KB
          • SHA256 7e85e7079eece9b3b42deef19c345b336af43105690f5a226e6e30c8e3df8d48
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AdvancedSwitch.exe

          • Path C:\Users\Admin\AppData\Local\Squiredom\AdvancedSwitch.exe
          • Size 1.8MB
          • SHA256 e8cc702e17ee91f84b4552abdf8cce85e486e2c48e99cce9648997d74613ad9f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          BugSplat64.dll

          • Path C:\Users\Admin\AppData\Local\Squiredom\BugSplat64.dll
          • Size 545KB
          • SHA256 8fe9be5391cef47155ba98879ec86747b9e5e31c5d1f18079fd389c52901b4b9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          FreeImage.dll

          • Path C:\Users\Admin\AppData\Local\Squiredom\FreeImage.dll
          • Size 6.6MB
          • SHA256 60cf5967b65ca9048450fc35e4bccf38a20a7a58f1db3ba9be2c4316936c50b1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          TSLogSDK.dll

          • Path C:\Users\Admin\AppData\Local\Squiredom\TSLogSDK.dll
          • Size 835KB
          • SHA256 ad2933bde1c9fc096cbd7d519e8f2234a3094fa20975de6b2014a5c3a1f72e2f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VCOMP140.DLL

          • Path C:\Users\Admin\AppData\Local\Squiredom\VCOMP140.DLL
          • Size 184KB
          • SHA256 ae4cf023350fd8af83f756dcb5bc59743b71c9dd95fea5d100e8c05fb8368420
          • MD5 SHA1 SHA512 SSDEEP TLSH

          lib_TSCommunication_sdk.dll

          • Path C:\Users\Admin\AppData\Local\Squiredom\lib_TSCommunication_sdk.dll
          • Size 1.1MB
          • SHA256 9e08e9c16bb2b5f02bf7c9122f0460eed720827bae8e9c826dc6463c98ae4ca9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          network256.conf

          • Path C:\Users\Admin\AppData\Local\Squiredom\network256.conf
          • Size 28KB
          • SHA256 91e83d66e856b26ad098df944ef61502f397eda3bfe1e6f19097187ed0dc1860
          • MD5 SHA1 SHA512 SSDEEP TLSH

          storagesvc42.bak

          • Path C:\Users\Admin\AppData\Local\Squiredom\storagesvc42.bak
          • Size 1.7MB
          • SHA256 ff1a2dcfdca25561b587bfa06214d70c85bcb802c5e5e7397dc977e1c5c20815
          • MD5 SHA1 SHA512 SSDEEP TLSH

          8921195.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\8921195.tmp
          • Size 2.2MB
          • SHA256 ad2f7d5a4f7c5b53c05ca4011175c2c9a7ef43e293bc8c01d6d227c368a58539
          • MD5 SHA1 SHA512 SSDEEP TLSH

          8921195.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\8921195.tmp
          • Size 2.2MB
          • SHA256 b9dd3dc357be6a97b219370696aed7379885a4cd682911e48cc79022196669d7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CB33CDD.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\CB33CDD.tmp
          • Size 40B
          • SHA256 79547577969ce74342487c57c9bd9f83bfb1d104d8049d470539e11a1def3849
          • MD5 SHA1 SHA512

          Crisp.exe

          • Path C:\Users\Admin\AppData\Roaming\JDManager\Crisp.exe
          • Size 334KB
          • SHA256 c2e62475768c9546efe1da92a55f3bb2a55350eed83241139917aabd1ad25f8a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MicroMa64.exe

          • Path C:\Users\Admin\MicroMa64.exe
          • Size 1.0MB
          • SHA256 bc5e9ceb7fd09b6c4b945bc8d4ada428f2cf5d9311180bfdac7afd7ad480e7b4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59f90c.msi

          • Path C:\Windows\Installer\e59f90c.msi
          • Size 5.0MB
          • SHA256 e8e9e5a2b793f043ed422e9b3d5906d887919c37218e24cc28eec3e086f5db4e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 2fc4176b0a6229443c1a25adf7061689194b582a3e0774e47684d1b5d53a5c36
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {79b755ff-5474-401a-815b-d970d10bf46c}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{79b755ff-5474-401a-815b-d970d10bf46c}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 0cffccf3edd73e69086e72f9f31fa64bd100e2eb811cb357f39e5327e9765116
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2576-49-0x000001E7DFB60000-0x000001E7E01FD000-memory.dmp

          memory/2576-52-0x00007FFCFEA00000-0x00007FFCFEA63000-memory.dmp

          memory/2576-54-0x00007FFCFEA00000-0x00007FFCFEA63000-memory.dmp

          memory/2576-60-0x00007FFCFEA00000-0x00007FFCFEA63000-memory.dmp

          memory/5064-70-0x0000000000E40000-0x0000000000EA9000-memory.dmp

          memory/5064-67-0x00007FFD18400000-0x00007FFD18663000-memory.dmp

          memory/5064-68-0x0000000000E40000-0x0000000000EA9000-memory.dmp

          memory/5064-62-0x0000000000E40000-0x0000000000EA9000-memory.dmp

          memory/5064-74-0x0000000000E40000-0x0000000000EA9000-memory.dmp

          memory/5064-80-0x0000000000E40000-0x0000000000EA9000-memory.dmp

          memory/5064-83-0x0000000000E40000-0x0000000000EA9000-memory.dmp

          memory/5064-85-0x0000000000E40000-0x0000000000EA9000-memory.dmp

          memory/5644-42-0x00007FFCFCAE0000-0x00007FFCFCB43000-memory.dmp

          memory/5644-38-0x0000018ADB1B0000-0x0000018ADB23E000-memory.dmp

          memory/5716-81-0x00007FFD18400000-0x00007FFD18663000-memory.dmp