Analysis

  • max time kernel
    298s
  • max time network
    296s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/10/2026, 07:28

General

  • Target
    납세 신고 통지.msi
  • Size 4.1MB
  • Sample261028-jaygjsbs3n
  • SHA256 38a8d92ac53eee08e399fb232ca7096df53b98aa90b313bdfadf880727136e91
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Family: PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Drops file in Windows directory 20 IoCs
  • Enumerates video capture drivers 2 TTPs 1 IoCs

    Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 4 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\납세 신고 통지.msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:820
  • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B4AB0B829D68A5AD3887B1D8A206826E
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:596
    • C:\Windows\Installer\MSID6B7.tmp
      "C:\Windows\Installer\MSID6B7.tmp"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3528
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c .\aa.exe x ddd. -key 000000 -to C:\ProgramData\NVIDIARV\
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2368
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4888
  • C:\ProgramData\NVIDIARV\shost.exe
    "C:\ProgramData\NVIDIARV\shost.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Enumerates connected drives
    • Enumerates video capture drivers
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:5988

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e59cbe4.rbs

        • Path C:\Config.Msi\e59cbe4.rbs
        • Size 223KB
        • SHA256 2e45ac20d068b93ccb5715fc6ac80613e77275130ab6ce56ed2d3871a3e886fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSVCP140.dll

        • Path C:\ProgramData\NVIDIARV\MSVCP140.dll
        • Size 439KB
        • SHA256 c8e7456f4ac9aa65ef3ad61a6daf30efec9737344d173b2d6d2c16e752052a55
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\ProgramData\NVIDIARV\VCRUNTIME140.dll
        • Size 88KB
        • SHA256 c8e6089e6efe9573af55cf011c4e41b21235b2531f6c395faad53f410f22acaa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shost.exe

        • Path C:\ProgramData\NVIDIARV\shost.exe
        • Size 47KB
        • SHA256 d4a1062f06cf5fff3107861ff558a6b79220d80fddf0a8259ba03383358e876e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dat

        • Path C:\ProgramData\dat
        • Size 2.6MB
        • SHA256 f7a07df0682b4807d63c8dbf46688ee1567781557877600e7c971cb9c71fb59a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        aa.exe

        • Path C:\ProgramData\sharessh\aa.exe
        • Size 499KB
        • SHA256 5ea02f74569ba4dd468de08cd350f6f93bf1bef4bfb1abaac32c71e801d721ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.exe

        • Path C:\ProgramData\sharessh\setup.exe
        • Size 261KB
        • SHA256 09b14a286f7a80e5663cd2f831404ab8dc0e0077b5c12ce54275c9bb9163f533
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSICDF5.tmp

        • Path C:\Windows\Installer\MSICDF5.tmp
        • Size 587KB
        • SHA256 e140990b509dd6884a5742bde64f2cdaa10012d472b0b32de43ebecbc83242b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSID26D.tmp

        • Path C:\Windows\Installer\MSID26D.tmp
        • Size 1.1MB
        • SHA256 83fbfcaff3da3eb89f9aec29e6574cf15502fd670cbb2ab0c8a84451b2598b22
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSID4C2.tmp

        • Path C:\Windows\Installer\MSID4C2.tmp
        • Size 868KB
        • SHA256 c7e8b187332aca494c4eeb0520feb1c32a48bf6e09cfd14e919814d5ecd149df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSID6B7.tmp

        • Path C:\Windows\Installer\MSID6B7.tmp
        • Size 220KB
        • SHA256 4dadef91f42d1bb66c043f65842701be8de4c650237c760660693abaed1b1157
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 fd184284e263f8d849430f1bad07dd863c81e9a544cebb760bdc71d1b363b7ba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8f4b0a40-bef9-4df4-8482-579493c484ce}_OnDiskSnapshotProp

        • Path \??\Volume{ed77d9b0-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{8f4b0a40-bef9-4df4-8482-579493c484ce}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 3bc56319dd74f01198404f159c17205885d4627ad1af3512fa2a13b8401d7704
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5988-79-0x0000000001DF0000-0x0000000001FA4000-memory.dmp

        memory/5988-78-0x0000000001DF0000-0x0000000001FA4000-memory.dmp