Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/09/2026, 16:12

General

  • Target
    f358a4c71e89f054c310dba41ae8cee2c3f717dd6f522e4bd64ad2f82816a5e3.exe
  • Size 13.8MB
  • Sample260929-tns44aah99
  • SHA256 f358a4c71e89f054c310dba41ae8cee2c3f717dd6f522e4bd64ad2f82816a5e3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 22 IoCs
  • Adds Run key to start application 2 TTPs 13 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 18 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Detect suspicious telegram bot 11 IoCs

    Detect suspicious telegram bot.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 46 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 23 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f358a4c71e89f054c310dba41ae8cee2c3f717dd6f522e4bd64ad2f82816a5e3.exe
    "C:\Users\Admin\AppData\Local\Temp\f358a4c71e89f054c310dba41ae8cee2c3f717dd6f522e4bd64ad2f82816a5e3.exe"
    1⤵
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5160
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe" --monitor
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4712
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:6040
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4304
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemHost.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2752
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemHost.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5868
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\NetworkHelper.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\NetworkHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4232
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\NetworkHelper.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\NetworkHelper.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:724
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1972
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SecurityCore.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SecurityCore.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4864
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SecurityCore.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SecurityCore.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4672
  • C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\WindowsHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4752
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5208
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\NetworkHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\NetworkHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:5016
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\NetworkHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\NetworkHelper.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3240
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\CoreSystem.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\CoreSystem.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2288
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\CoreSystem.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\CoreSystem.exe"
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    PID:5372

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
        • Size 808B
        • SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 312B
        • SHA256 bb762ad0e32f3d3c1998c2f2de0fce158f02db181777e06a755e7d8ac37dcd8c
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 ad00243ecf11ca860011c0e740469935485c01b6b379a4009935a1acc67f3c46
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 278B
        • SHA256 3752f81657777885b7707cc715109d058c7d5cbbfab3aff4e69e6c2734e300b0
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 182KB
        • SHA256 14db3544d2043195ad9c35915d4100a1ff3bb94423316a0120c4a6cc851a3efb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 976B
        • SHA256 e0e7336a1c7c64caa65ecd69b0c3a40929a71e78b54170a9296636677e6bd991
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 523f1b97b49ca79b1d879ce4d457c1d4f2a0cc01948419dbaa2170d041be0dbc
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 701B
        • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
        • MD5 SHA1 SHA512 TLSH

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 480fddcc78ca6b34d8d78cd65110479ef568a6b97b9851b4f562f240db1a7859
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 f8d9f56d9a5c6d41dae38d29aa1d97e471e3a3b9d4a19fffa35b90f3ddec93fc
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 c6704cbe6d06d326cc39fb7098913ea1180b999a0f7e53e3552dc3afad0607f8
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 dd3f2fa2760fa9082537a629c7ce92b1439733f8f64839c10fab5eb7465fc651
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 3887a137ad3be0c8ada80de2e7b154d279e1dd1c4f2afb36c6d64c63a05cfb97
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 57a88c9106b39f466be3ebbf4b138954b3b670869a6f4a72d5b020f09752fe43
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 d8d4a647ad8053fd8b28785d062f9399d08efb5e94913340a8f2184cf50be308
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 31f388cb3038e782844c1d2d968556905fc4e3b739aaa3b74c52fdbd21af2da9
        • MD5 SHA1 SHA512 TLSH

        SecurityCore.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
        • Size 14.1MB
        • SHA256 7011fc83f50175179a6247e05fee069b8ffa75c016e811ad2057efbe247159fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NetworkHelper.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\NetworkHelper.exe
        • Size 14.3MB
        • SHA256 312c8dd75efbc103ed7ed758f2b8e9612a9c26757d7dee9e15a9422d3b25ab5a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemHost.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemHost.exe
        • Size 14.2MB
        • SHA256 eb74d873a60f298fb356c7c33367f80299d114896f51f02e051647e90ee07a59
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe
        • Size 14.7MB
        • SHA256 318ce5f3363a8880604f46cd20d84bc10844c5a4ebb1d88d8d555d0fe380c836
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\CoreSystem.exe
        • Size 15.1MB
        • SHA256 066153f06e20d808dd3b2158350a37bca0fe6b0fbeeed7c5409829ca419c916e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SecurityCore.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SecurityCore.exe
        • Size 14.6MB
        • SHA256 8c380019e73778f2e67458e42d005645f987762d1b2e528b0fc9888c0d0ae5ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe
        • Size 13.9MB
        • SHA256 8cafc003e9cbb1f265d82e4199c7fd0c6b21b2c6e2c5506e18bd57a62b133045
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NetworkHelper.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\NetworkHelper.exe
        • Size 15.0MB
        • SHA256 c6d2fcb09e429ed34ba59011414a6e658083f9eae116bf74c990a2eca6ef50f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
        • Size 14.4MB
        • SHA256 fc556ccee3200eb59ee993bb933d98cfa21995bf456e8edcd2fb99ba4b5241c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RuntimeBroker32.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
        • Size 14.5MB
        • SHA256 d152b5bbe9d9cadd3ea860b825b667ef61537bfff1e5ae038431360af04f4daa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\BackgroundTask.exe
        • Size 14.8MB
        • SHA256 9967a5c957f204d32d76303e6b26cd157c51eda8587a809b2b44b9eb5da1c73d
        • MD5 SHA1 SHA512 SSDEEP TLSH