Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/10/2026, 14:36

General

  • Target
    fb4874f28368364443acd4f8d342d558fc64afdaf69cc59279e09aca05eb2f5f.exe
  • Size 21.4MB
  • Sample261020-ry24ms1vew
  • SHA256 fb4874f28368364443acd4f8d342d558fc64afdaf69cc59279e09aca05eb2f5f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 20 IoCs
  • Adds Run key to start application 2 TTPs 14 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 14 IoCs

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

  • Detect suspicious telegram bot 13 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 42 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 21 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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb4874f28368364443acd4f8d342d558fc64afdaf69cc59279e09aca05eb2f5f.exe
    "C:\Users\Admin\AppData\Local\Temp\fb4874f28368364443acd4f8d342d558fc64afdaf69cc59279e09aca05eb2f5f.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:5096
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.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:756
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.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:4544
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe
      "C:\Users\Admin\AppData\Local\Temp\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:2856
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\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:5132
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.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
      • Suspicious behavior: EnumeratesProcesses
      PID:1132
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\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:868
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsInternal.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsInternal.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:4588
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsInternal.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsInternal.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:1472
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.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:5956
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5896
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\CoreSystem.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\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:4628
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\CoreSystem.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\CoreSystem.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:5976
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\UserSession.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\UserSession.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4612
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\UserSession.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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 use of WriteProcessMemory
    PID:2232
    • 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
      PID:6052
  • 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 use of WriteProcessMemory
    PID:2452
    • 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:200
  • 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:5644
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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:1572
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.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
    PID:1276
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe" --monitor
      2⤵
        PID:3208
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe"
      1⤵
        PID:4936

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            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 f81c4d14e873614514725d56abd8f0be34b6f5d4477cd74ca95c932b5983b14b
            • MD5 SHA1 SHA512 TLSH

            223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
            • Size 2KB
            • SHA256 a427cff2e04bea32de57cb5fcbeb083b67ccb128669555ca7d6ebc35abf1250b
            • MD5 SHA1 SHA512 TLSH

            421EC2E1E0F47FC59DB99BB19E16DA88

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
            • Size 279B
            • SHA256 97e8275b1265f18faa1c822b003da554dc4f197c3ef7e8d7b4e6f954a57592f5
            • MD5 SHA1 SHA512 TLSH

            56E83C5857C173AD065FC47EB887B239

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\56E83C5857C173AD065FC47EB887B239
            • Size 185KB
            • SHA256 e39a5ca26890a1c1fe8b408150d42a50e159afac29785710a12500faf2e3a71c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
            • Size 977B
            • SHA256 2c65fe8529a61d5cc1afdb06dfc967b9f37eeb990b48429ca01e53bb025e1730
            • MD5 SHA1 SHA512 TLSH

            DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
            • Size 2KB
            • SHA256 2bd06d85a251d4b2320ae1bbc70de1ce0fba7db3c8b4a002ba830b28984c9d12
            • 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 9193aa6567612bb0e8768d47ba62361ac9fdb3429e3b200bdeb9a4bd1aaaed2c
            • MD5 SHA1 SHA512 TLSH

            18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
            • Size 488B
            • SHA256 73e9568c7e9a4131c5d5099d727a9f03e34f4ef4fb256f2c7776b265e00418d9
            • MD5 SHA1 SHA512 TLSH

            223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
            • Size 450B
            • SHA256 e057381911b352df8da9d8fc1b67158a9977ba5280c669a41d6d04bc78f19de6
            • MD5 SHA1 SHA512 TLSH

            421EC2E1E0F47FC59DB99BB19E16DA88

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
            • Size 484B
            • SHA256 5bcf4ae2ea047971c0540b4206283f79dbcc6157a96c70130e4d6da8b413d6bb
            • MD5 SHA1 SHA512 TLSH

            56E83C5857C173AD065FC47EB887B239

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\56E83C5857C173AD065FC47EB887B239
            • Size 246B
            • SHA256 64038139cde2dac3cf00f5b34afa9054d36cd5c0b7a40277e09e7e650959d738
            • MD5 SHA1 SHA512 TLSH

            D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
            • Size 488B
            • SHA256 48be8e66bd92f4e9ee0f15a8f460ed5b86721989ef7cadd36f63f51e0151f2ad
            • MD5 SHA1 SHA512 TLSH

            DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
            • Size 474B
            • SHA256 addd8f4c4bbc9346908a5eefaaa072c4746776e563b49d3372cdfd1ee4fe3723
            • MD5 SHA1 SHA512 TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 192B
            • SHA256 52fd2b5df26835c1f075b11177e7337100d1496b94d988b8b8a959c10dde5c1f
            • MD5 SHA1 SHA512 TLSH

            CoreSystem.exe

            • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\CoreSystem.exe
            • Size 22.1MB
            • SHA256 a3481b0d0bc0e3f014125c6e62e24abe101bf693c9a9571de25ec8781c813bf9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SecurityCore.exe

            • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
            • Size 22.3MB
            • SHA256 b4c0a798017f61bdb7e59490fc5b0ea8239bb086aa5c90be054161199907cf24
            • MD5 SHA1 SHA512 SSDEEP TLSH

            UserSession.exe

            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\UserSession.exe
            • Size 22.2MB
            • SHA256 617b539d3a16e66513378322ed683cc5ab20d1f593c1bea54811312a0d1ef0bf
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ServiceHost.exe

            • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe
            • Size 21.6MB
            • SHA256 8b22b8698ca57cd88fc24b191f88f7738e62d261a05c603b70d7d9eb2a976458
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsHost.exe

            • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe
            • Size 22.0MB
            • SHA256 1b3c5eb6aa1fcd77c931c3a50d81484d28fdcf016a226892cb01b048daf97bce
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SecurityCore.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SecurityCore.exe
            • Size 22.4MB
            • SHA256 75b794952c672b14ca675c14bb4a5cda98a7831cacf3d479ddd2da668172718b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ServiceHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
            • Size 19.0MB
            • SHA256 6e906d5efdfdc08a5532739dc332283d8563610f8c792a7ad57659911c94e1ac
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ServiceHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
            • Size 22.6MB
            • SHA256 1794aab17487d42f82366645a3db8de443660482256ba87fae38162bfcdd116b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ServiceHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
            • Size 15.9MB
            • SHA256 9facbf8120a96b52c9bba6c45ec0cedaa56cb12b0e31aa6c2d876e5d8609881e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsInternal.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsInternal.exe
            • Size 21.9MB
            • SHA256 b0c2aa647336479d671571744413c4f6807be2489a5e56050e5848c4adc822ee
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CoreSystem.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
            • Size 22.5MB
            • SHA256 0e704fe8df68dd41a51650f212739a717877378d523e2ede8ea225cccdd9ff82
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ServiceHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\ServiceHost.exe
            • Size 21.8MB
            • SHA256 681c8f1332d0294aa824ee19988eb906c94700c5b93980f996522840c1e23bed
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsShell.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
            • Size 21.5MB
            • SHA256 94354709139b5e5fae102ee7f7d376384bab32f7039c72abd29836e4cbff3d79
            • MD5 SHA1 SHA512 SSDEEP TLSH