Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 16:07

General

  • Target
    bb40b2409a7d3b3facf51afa9da88dbb11b3d806fd2ea54ea82022fecb59b299.exe
  • Size 9.2MB
  • Sample260905-tkzsgavwdv
  • SHA256 bb40b2409a7d3b3facf51afa9da88dbb11b3d806fd2ea54ea82022fecb59b299
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 14 IoCs
  • Adds Run key to start application 2 TTPs 11 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 5 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).

  • 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\bb40b2409a7d3b3facf51afa9da88dbb11b3d806fd2ea54ea82022fecb59b299.exe
    "C:\Users\Admin\AppData\Local\Temp\bb40b2409a7d3b3facf51afa9da88dbb11b3d806fd2ea54ea82022fecb59b299.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5852
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\RuntimeBroker32.exe" --monitor
      2⤵
      • Executes dropped EXE
      PID:2368
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\RuntimeBroker32.exe"
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4812
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5076
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:708
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1856
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4264
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5248
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\InputService.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5608
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\InputService.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\InputService.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:716
    • 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
      • System Location Discovery: System Language Discovery
      PID:1968
  • 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
    • System Location Discovery: System Language Discovery
    PID:1116

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 316B
        • SHA256 98b08bf802d3d70ca602982880b93dbb801c895753dba08530d7e48711c3b546
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 60f59a399a0529e2ab79b05afc360652ee7a438e0a91c06b0182fc56a181958e
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 282B
        • SHA256 08a447ef3dd66240110691dc7174d29d4713d55ba3d3dec4176a5d46ce38ef6a
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 978B
        • SHA256 30f504672eae158fef37cea05717efaf81542874bb9df13e837cfaa5c1ac98f0
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 2d9f7a2e50fc8a801cce90d9b95873706edc434e3e705fc229ed74e1cbed9e5a
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 a8d96e64e4904762f55add0c61cc9241431a604add01f58b10217154bf50fb43
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 f3abe67486a5987239434342605123e103ed31919ec60da03d6bc9204d19252c
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 4f905b945966c23d1d1897271293c365a07a6b0b7e77c217a3da777c08667236
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 f5ff1c5ddbdebeffab1ac76fa059fc66e8a1d7f40f052f1964554835a2de8c66
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 de201239e625e8689e6ed01a1104134cbb808b1e9e9431c2f8a6ecd83cb32f58
        • MD5 SHA1 SHA512 TLSH

        DesktopWindowManager.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\DesktopWindowManager.exe
        • Size 9.8MB
        • SHA256 36182cc0b070b578ee2014d231cac19f6566870a3b2f6e9c2d7e8525537a1752
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\InputService.exe
        • Size 9.9MB
        • SHA256 751bce66f05378f90988ccdf35a334d3a67d9ec36450eba059410bc208e35f5e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsHost.exe
        • Size 9.6MB
        • SHA256 ae2a5f1fc88e06921eafccadf8914db258bc03ca0cf8c04148dae385566c5562
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RuntimeBroker32.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\RuntimeBroker32.exe
        • Size 9.3MB
        • SHA256 f9a31ebeec558e16c86716acf9a8196c1fbc1886be766a3a61373dec6e74c266
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SecurityCore.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SecurityCore.exe
        • Size 10.0MB
        • SHA256 ea8831ff5ae44863721bf77fbb08242ad5eab1fe273323aa11567864a9544555
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
        • Size 9.5MB
        • SHA256 c52cfb647246aef5ed62d47dde4a614faa7c9c2d28e4d524834f69ccae5896fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.exe
        • Size 9.7MB
        • SHA256 b2cf7c7173eafeb9e2b218bc2a38154147c726ffec2e08f6133136a0f03b1264
        • MD5 SHA1 SHA512 SSDEEP TLSH