Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 15:54

General

  • Target
    4d63790a2e0b827f6c7ec631bb1f3deb0f9cb210634b1bd10d4b5bd6b39d9996.exe
  • Size 11.2MB
  • Sample261027-tcl7easy5j
  • SHA256 4d63790a2e0b827f6c7ec631bb1f3deb0f9cb210634b1bd10d4b5bd6b39d9996
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 13 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 12 IoCs

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

  • Detect suspicious telegram bot 7 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 28 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 14 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d63790a2e0b827f6c7ec631bb1f3deb0f9cb210634b1bd10d4b5bd6b39d9996.exe
    "C:\Users\Admin\AppData\Local\Temp\4d63790a2e0b827f6c7ec631bb1f3deb0f9cb210634b1bd10d4b5bd6b39d9996.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:3008
    • C:\Users\Admin\AppData\Local\Temp\WindowsShell.exe
      "C:\Users\Admin\AppData\Local\Temp\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:3040
  • C:\Users\Admin\AppData\Local\Temp\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Temp\\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:5420
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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:6052
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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:5780
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\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:1328
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\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:5672
    • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:4772
  • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1488
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.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:4716
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\CoreSystem.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\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:4620
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\CoreSystem.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\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:5732
    • C:\Users\Admin\AppData\Local\Temp\WindowsShell.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsShell.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:5168

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 313B
        • SHA256 fc74daf542642cc7fbd3da172569a24d6044b1aced251daf43eeb132bba6941b
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 3180524812ab237ad27611c53c5607d396767eb8dab1b495aa108ad0718713f6
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 278B
        • SHA256 aa127391105344e3fdc5bb79aa83e5fe84fbe3fbdab295c0a15844df595163e3
        • MD5 SHA1 SHA512 TLSH

        56E83C5857C173AD065FC47EB887B239

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\56E83C5857C173AD065FC47EB887B239
        • Size 196KB
        • SHA256 da61843accebc08efa8b8fbdb1c1166057ec201294152e18c788fcfe662b5911
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 977B
        • SHA256 207179faf26a6ebc403dd83b5738f28021908c4e215860249e4a8ed2966da9aa
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 c5ac918c372b67eb99ee96edb955ceab9f55e4254ce1c89fc9f9baf577ee94f3
        • 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 36abe72eef098a3d86fa4e1aedca27d464e3f166394514c31f89ab5925ba7f2b
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 27e42b3706adec8cb587f8f1380e518aeb0dd4f9da2cfeacf4e7c8b75304333f
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 8efcd5acec56b4af4cff38dc81f3672a57ce8c35596f16b03e147daed9bb3a2c
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 cb8940e1b004e974e643d1301d348a1281337fdcdb4eed414af300b11f24913d
        • MD5 SHA1 SHA512 TLSH

        56E83C5857C173AD065FC47EB887B239

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\56E83C5857C173AD065FC47EB887B239
        • Size 246B
        • SHA256 b36eb4047576483ba262f0b454e5e00141a891dab0de248d1bc17e7591510dac
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 20d3ae2d6518fab992a4e57b49c01e4549f9e0fc347e7b5f7656f9ab889fe9b9
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 d3f2ce16159f4f9c8c9526a0201bf1cba3794aab8fc0443b6bb3c76be3d886de
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 9bad0878a15f12946e6a876b99bfa02a13871f1ae0085ccd686cb40313fb3052
        • MD5 SHA1 SHA512 TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\CoreSystem.exe
        • Size 11.8MB
        • SHA256 c262cd4e383b53769b3f5b14c6fb94492b41cb2a114950e56f727bddf2877a4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Local\Temp\WindowsShell.exe
        • Size 11.3MB
        • SHA256 103b7f40edb70c1b23558fd47d5e432e4b327fb7b574204f0917ca1879f6ec29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Local\Temp\WindowsShell.exe
        • Size 11.9MB
        • SHA256 76d13aeaf316e8fa7c967c53663d878bb7e2529601452082a542a314340e3ba5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsHost.exe
        • Size 11.5MB
        • SHA256 e83f3d02729c5370b446b0bfe900ab5b0e3811e9cfe009755e141df0993e5d83
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
        • Size 11.6MB
        • SHA256 7905065d6fdfc040ffb8cb61da3bf4892a12110211abe1bd99ae017fb617f7ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\SystemHost.exe
        • Size 11.4MB
        • SHA256 698a2fc096e1ead21eb8fcd57c5f95fac430e26f5e2ef971a73d7799b16f81a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
        • Size 11.7MB
        • SHA256 d7f309efb5d079878ca21b46092af48cbe0f805b0705f7ae44fc408c50bc9226
        • MD5 SHA1 SHA512 SSDEEP TLSH