Overview

overview

7

Static

static

5

21bb9698fe...5f.exe

windows10-2004-x64

7

21bb9698fe...5f.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/10/2026, 15:40

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General

  • Target
    21bb9698fedf66693f6d665f79eac0f76dbb76b1b3150593e003f3dbe7c9d05f.exe
  • Size 6.9MB
  • Sample261020-s37qcssz2p
  • SHA256 21bb9698fedf66693f6d665f79eac0f76dbb76b1b3150593e003f3dbe7c9d05f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 8 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 14 IoCs
  • Adds Run key to start application 2 TTPs 13 IoCs
    persistence
  • Contacts third-party web service commonly abused for C2 1 TTPs 13 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 30 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

    discovery
  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21bb9698fedf66693f6d665f79eac0f76dbb76b1b3150593e003f3dbe7c9d05f.exe
    "C:\Users\Admin\AppData\Local\Temp\21bb9698fedf66693f6d665f79eac0f76dbb76b1b3150593e003f3dbe7c9d05f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:3608
  • C:\Users\Admin\AppData\Local\Temp\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Local\Temp\\SystemTrayHelper.exe"
    1⤵
    • Checks computer location settings
    • Deletes itself
    • 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
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3660
    • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:3452
  • C:\Users\Admin\AppData\Local\Temp\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Temp\\WindowsShell.exe"
    1⤵
    • Checks computer location settings
    • 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
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.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:876
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe"
    1⤵
    • Checks computer location settings
    • 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
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.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:5092
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.exe"
    1⤵
    • Checks computer location settings
    • 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
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4956
    • 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:2756
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemHost.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemHost.exe"
    1⤵
    • Checks computer location settings
    • 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
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2796
    • 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
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:468
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe"
    1⤵
    • Checks computer location settings
    • 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
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4280
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:1092
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe"
    1⤵
    • Checks computer location settings
    • 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
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3640
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.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:3856

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
        Submit Download

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 312B
        • SHA256 f81c4d14e873614514725d56abd8f0be34b6f5d4477cd74ca95c932b5983b14b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

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

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

        56E83C5857C173AD065FC47EB887B239
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\56E83C5857C173AD065FC47EB887B239
        • Size 185KB
        • SHA256 5c1c92d4a8b4deb58733c1958bd289a7055c0faf166e263ac6c0d237ea445b1e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

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

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

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

        103621DE9CD5414CC2538780B4B75751
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 34d46cc3245471175a49fd8127a08857557d5a95fb84777e1893d7c0bb65220a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 6988c77c30952bed97598afe52535203dd088b03b514b5613d3bdb573b0af7f0
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 fffe676665b315b2c85868e3343f3e416732f789310d8053608a26658a910e10
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        421EC2E1E0F47FC59DB99BB19E16DA88
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 d9b6fa9d88152525f2b2f578647ad4a3cd4592e6d558655cde7e1a9d9361e553
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        56E83C5857C173AD065FC47EB887B239
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\56E83C5857C173AD065FC47EB887B239
        • Size 246B
        • SHA256 46598f21b9fa7652fe72b4b5d03931cf2ab71dd3de4c47879932405feda777b7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 dbfd1b48e8c617bc8dba08c00e3a970573089b5046f4067a3485c59ce05a223b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 c0ff9c934b942144c605419e5cbd5616475996dc13ba5d898945b08786289a58
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        F15827BEC5BABE89C21DCDAE77464BF1
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 a176028e9a2a0dd329f3a005610bb68b79c6ac4eaae4fd17880bca6394756773
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        SystemHost.exe
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\SystemHost.exe
        • Size 7.4MB
        • SHA256 d729d5fc924aad843db956e09ffadd75b209961263c9ec6eb8f20c46d7bc7dd1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SystemTrayHelper.exe
        • Path C:\Users\Admin\AppData\Local\Temp\SystemTrayHelper.exe
        • Size 7.0MB
        • SHA256 caa9b82beec71dc6a29b15cfc2179f340cfa1ea732d686e2893569f70dd5016b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsShell.exe
        • Path C:\Users\Admin\AppData\Local\Temp\WindowsShell.exe
        • Size 7.1MB
        • SHA256 f19df31f137137653be014afbd6ca031f1716ed32f32e4bef621aa3ed40409d2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SystemTrayHelper.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe
        • Size 7.7MB
        • SHA256 aba4f2e52fd4c15a9424b1542d9b797509e8eabada4a3837ad16548b7a6a287a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SystemTrayHelper.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\SystemTrayHelper.exe
        • Size 7.3MB
        • SHA256 9c90890591795ec5b67f7a80dfec2e86d19cb0325b57055846f36e3f23502c22
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DesktopWindowManager.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe
        • Size 7.8MB
        • SHA256 37829887736d422508fb4a01b13c7728475f7768fd20a1ba065189dda692afd2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DesktopWindowManager.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe
        • Size 7.2MB
        • SHA256 bbc69bd8ff15b284d27fb5d7c137781b6ac9b69a989f2989057d646355487836
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        InputService.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
        • Size 7.5MB
        • SHA256 aeb9b13965793ba93913fdfafe0df904b7d9156b49a6340810e29b2c47cf91d6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download