Analysis

  • max time kernel
    148s
  • 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
    16/09/2026, 18:03

General

  • Target
    d4c01e646f3c4755b93fe397ea5c788c370024c3fb12e82b27ab60a7a666c1bf.exe
  • Size 6.6MB
  • Sample260916-wmz75astbs
  • SHA256 d4c01e646f3c4755b93fe397ea5c788c370024c3fb12e82b27ab60a7a666c1bf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 9 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 18 IoCs
  • Adds Run key to start application 2 TTPs 11 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 9 IoCs

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

  • Detect suspicious telegram bot 9 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 19 IoCs

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

  • Modifies registry class 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d4c01e646f3c4755b93fe397ea5c788c370024c3fb12e82b27ab60a7a666c1bf.exe
    "C:\Users\Admin\AppData\Local\Temp\d4c01e646f3c4755b93fe397ea5c788c370024c3fb12e82b27ab60a7a666c1bf.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2100
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe"
    1⤵
    • Checks computer location settings
    • Deletes itself
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5532
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\ServiceHost.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:724
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\ServiceHost.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\ServiceHost.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4680
    • 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:5008
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5604
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsShell.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsShell.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1668
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsShell.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsShell.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\InputService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4216
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\InputService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\InputService.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2348
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4444
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\ServiceHost.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UpdateService.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UpdateService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:724
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UpdateService.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UpdateService.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1976
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5004

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 314B
        • SHA256 2f581ef61fd84cfd03b7259c38da8540ad444099f615f3100836b7a7ecf8d7dd
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 5f6d898a41d1cc969c60fcd4d4acc32707bf78693df5bf1d2c18c5d74e975ebf
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 281B
        • SHA256 46c23c3315d8f9eb7169a788845d3b07063569e67821c61b0512a354d861c150
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 176KB
        • SHA256 c5db0a7e08c57ff6e483620335661519d0f73a82c477c0253091032670a2a65a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 979B
        • SHA256 2be89f86a7c292a38c9e84d47be96caf58192b985969b44578d7fc62715658d0
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 16fbfa81942c164cd520bb40ddce4ae5eb957fdc89fdd209b9b77e779d0a3968
        • 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 212c3763edbe879fe8f165b201042012923d22415a21eea1f0626f4f291df91c
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 d43f9a82564023e4287e9121775b988ca93500c581f917aa7b31a26b8f81df26
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 e7936ec3adf89b544182d912dce39b23120198805fd6868510d9f8814678898f
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 c14b238b683344961f32125d6107256ab0af496b13cd1729d0b1997ad6dce4b1
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 2e96f2533376712f26e806674cd7ef133a1344f2d397fac10b6d92833c7336a6
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 44d7bbbdeb412dc0feaf2a2f0289b9089889da5a335e13b74fda643843859a25
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 e39b4d917de2e4ad30ba25fa3b58daac0856f3576ce5cdce936de1582ae754a9
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 f754d33949f33296632df4860f652409080fa2c86370642e5c27a5c171dc950e
        • MD5 SHA1 SHA512 TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\ServiceHost.exe
        • Size 6.8MB
        • SHA256 23bdb9fbeb1f552e310b017043ef37cfeabad6319480902ca05473eb570472b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\UpdateService.exe
        • Size 7.5MB
        • SHA256 8087e6a51f75acb75640c105d4795f256ea2349ad4d2d0e7803e046803eb2a89
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe
        • Size 7.2MB
        • SHA256 bd4a066e79509625d0bbe7afa848d28bf36c54169b9cfeb715c06e6bc33644e7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\ServiceHost.exe
        • Size 7.3MB
        • SHA256 cdef760c26c43879baf311ff4c3323e60d706cf5b3459de51f55b897f3a78df6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\InputService.exe
        • Size 7.1MB
        • SHA256 931b49ee733f5fecfafb011e72abdebd4a5b12d9ab905937d07b67d4060a50f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RuntimeBroker32.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
        • Size 6.7MB
        • SHA256 9ce2721cf6c2a2cdb733826c1ee5579b965c4e1e86a24373fcc483f7008184c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe
        • Size 7.6MB
        • SHA256 a709958d551bc740cdd3eeb3b2188600fb7ff15ed17157a7e8c8e040bf76e38d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsShell.exe
        • Size 7.0MB
        • SHA256 a04a4e5c0fb20bdf35c59192077da86b41e1f281c7e64535af43dcdb8c988b05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
        • Size 6.9MB
        • SHA256 0d05c1d6b21904452f5b05e0dbaa1327e68f0f35fc304e708b2ec0c84063fab2
        • MD5 SHA1 SHA512 SSDEEP TLSH