Analysis

  • max time kernel
    150s
  • 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
    03/10/2026, 16:19

General

  • Target
    6d7d0d6bb34081ab1b57b931440b75738e91b75bc37ea74d69a14e27ed558d83.exe
  • Size 18.7MB
  • Sample261003-tskcrascre
  • SHA256 6d7d0d6bb34081ab1b57b931440b75738e91b75bc37ea74d69a14e27ed558d83
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
  • Executes dropped EXE 15 IoCs
  • Adds Run key to start application 2 TTPs 12 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 8 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 32 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 16 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d7d0d6bb34081ab1b57b931440b75738e91b75bc37ea74d69a14e27ed558d83.exe
    "C:\Users\Admin\AppData\Local\Temp\6d7d0d6bb34081ab1b57b931440b75738e91b75bc37ea74d69a14e27ed558d83.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:2860
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UpdateService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UpdateService.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:608
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UpdateService.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:4204
    • C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe
      "C:\Users\Admin\AppData\Local\Temp\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:1116
  • C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe
    "C:\Users\Admin\AppData\Local\Temp\\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:4864
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemHost.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:5804
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\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:6132
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.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:1844
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\NetworkHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\NetworkHelper.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:5004
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\NetworkHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\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:2840
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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:6112
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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 use of WriteProcessMemory
    PID:3160
    • 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:3240
  • 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:1752
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:6016

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 acb9d981851f4c3271fad627cdfda2a2d8599028a2b9b0f06fd24acd3767dcad
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 541828396e95f1244c8fd8c461d08e6914672db6a9d836a3ab2c432f8f2b0352
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 280B
        • SHA256 b58f7696fc81ea50570304ba19a94ac07ef88f00cb18545c035b4dc13205bfef
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 181KB
        • SHA256 ac98a885ce53aab18119c364bce08a1d4d9d38bf503cde57a9c5d155f0a87439
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 976B
        • SHA256 8c7602efe22cb85666dfca8b597ad0f33617fdd861c8bf7e951c305dfe59b3dc
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 57c2ac700d8b52ae8edcdda9ac8069ab4dc4ea1233a73844b32803889da2b052
        • 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 9b45436d367df642f8962cc3c4121d801394bef91f450a5c6cb58a1351c3115b
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 5b4dd971a93b3ef48aaa74cb60b0f93a06043a184be1bd2f68716e5c0c0405a8
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 40a444c8b1059921d150cb0642ad63af60f7f782b4b38e81426447aa392308a6
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 f0c1ae7d70d564bf3b99dcc5a074ebf9b5b01630064000dce5ea9ece95894e10
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 39bd3a461bd9714256c8ad2109e3b4d563ea8154c467b9ce4fc7f096c26c80f3
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 fb4a4066db3adf58f84476da96be064dea8e6d6a21d33c35659680fa6b233f24
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 43df03b7d1ef7bf2c390b852ca66dfa2cca5394842f8f5f1d3389d939ba3226b
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 79207867f9edb1efe7cb8889ab2161806a9f94e008d5c935fe820f595d22dcc2
        • MD5 SHA1 SHA512 TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe
        • Size 19.3MB
        • SHA256 b160542e5c89391c705bd23fc52384dbacdd5e3c95b46e2eda42cddfd144fa44
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Local\Temp\WindowsInternal.exe
        • Size 18.9MB
        • SHA256 e81cce783ea7949822a70c3f427ad573de0258a29548396a2e61dc536a84ce32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SecurityCore.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SecurityCore.exe
        • Size 19.4MB
        • SHA256 9bacae7969437556ce73e19d8c6692f7c2cc03e88bf74f41792a638c4d4b69cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
        • Size 19.5MB
        • SHA256 ac07eae1508b0b8d5719a0df44db2274416b3de1ab70c1b3358614b12d75119c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
        • Size 19.1MB
        • SHA256 bdbf486330bb78ddad8b9505ae302ac18c361ab1c8f4ea8af95358f781c8799b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UpdateService.exe
        • Size 18.8MB
        • SHA256 2d2e66b817268b7d128242350f5bce6ae706f1a57c34f4732bc6316efab5c005
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NetworkHelper.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\NetworkHelper.exe
        • Size 19.2MB
        • SHA256 4759a18ba8d12f3156683c4b0465e43a6f25932991a225b84faaff876eda3baf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemHost.exe
        • Size 19.0MB
        • SHA256 9aad6794673015ea8de05f039e5e240ae148f19d3e0079a4d3e69b8a101e4844
        • MD5 SHA1 SHA512 SSDEEP TLSH