Analysis

  • max time kernel
    148s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/10/2026, 14:18

General

  • Target
    3a420a7ebffaaa26cdf690df1ed67e65b88400559812e5f32eee2d9e957e2de2.exe
  • Size 8.5MB
  • Sample261001-rmgcsszflh
  • SHA256 3a420a7ebffaaa26cdf690df1ed67e65b88400559812e5f32eee2d9e957e2de2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 8 IoCs

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

  • Executes dropped EXE 15 IoCs
  • Adds Run key to start application 2 TTPs 11 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a420a7ebffaaa26cdf690df1ed67e65b88400559812e5f32eee2d9e957e2de2.exe
    "C:\Users\Admin\AppData\Local\Temp\3a420a7ebffaaa26cdf690df1ed67e65b88400559812e5f32eee2d9e957e2de2.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:4828
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\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:4888
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\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:1308
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsHost.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:4544
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UserSession.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UserSession.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:1416
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UserSession.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:4048
    • 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:3348
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.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:3484
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsInternal.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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:2420
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsInternal.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsInternal.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:3632
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsInternal.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsInternal.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2424
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsInternal.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\WindowsInternal.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:2124
    • C:\Users\Admin\AppData\Local\Temp\InputService.exe
      "C:\Users\Admin\AppData\Local\Temp\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:1232
  • C:\Users\Admin\AppData\Local\Temp\InputService.exe
    "C:\Users\Admin\AppData\Local\Temp\\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:624
    • 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:2796
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe"
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    PID:1724

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 d44246f1e72024ac887ffe497e83fc073b50b0ca0221a7face0e33420dd3edf5
        • 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 180KB
        • SHA256 32f5af5e460ef5109236f44520aad24427a7e4469ce5b2e64acb8d4f6603c5b9
        • 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 ba70091f399defb559d20c1604c0cff58e28912476dc12701aff5800d69bfc4e
        • 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 89db1937cd170af77471d76e4804a1de93b72a496b5b57b51492b4c125f07b98
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 f57d93ebf945d4535a55a026e7d4a4774c0b51b504952a0e4d7aa683de1cc988
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 a71d057d0c9232b9d1e07839928aa0d6b4d3a1213f544fd8f3f258cb18aa0152
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 8268f5f2e3757c695a3ab2b0c3cb87ddea3dcf95a163a66bec422b7b64133283
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 becf90d213a52568a8a7223e42e787f24cb829d28cd284d1197ae156f90aa1ed
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 b8f4cf4553f31226c0831480502c7dcef83695329d6c12991eaf74cf43f29258
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 adff298c8aaac3d8f7ce1c0d623db8d28fd48ebd4a9e5c4c55eaeffed1bfb665
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 3a2b95fc3159d0c9af545dc279bedeb95e14952463de5e7faea4e78478bb986c
        • MD5 SHA1 SHA512 TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsInternal.exe
        • Size 9.1MB
        • SHA256 d8105d72e6afa94e9e0bccf28f9f106b16b668f118110b992f17eae18dd1f5d3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsInternal.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsInternal.exe
        • Size 9.2MB
        • SHA256 ac13b6caef36d1c2f97b98b50ed0b955e38b43c4cd26fdb3be68a0d54c204ccc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsShell.exe
        • Size 8.6MB
        • SHA256 f4078b1578ceffcdb670d3891654c8b4ae97abe815c18fdf1214c1051981fd8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Local\Temp\InputService.exe
        • Size 9.3MB
        • SHA256 1ce8f6a6269bb95370539efad8a7c016aa115c6d3f8ea764c084b59a18a6d0fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\BackgroundTask.exe
        • Size 8.9MB
        • SHA256 8e5f0ce4655c06d6953dbeee14da9268334b0fc83959969685b6ae540dc5b0af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\WindowsHost.exe
        • Size 8.7MB
        • SHA256 bbcccf3f74d129f41b12acd9259f46ebfa30d4faa44274fceefee0143eb67a51
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
        • Size 9.4MB
        • SHA256 01eac6ec0b7e5315602f8156029bf0c64d36e6ca7c8a7baf44495d913ff291e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UserSession.exe
        • Size 8.8MB
        • SHA256 52c58069b3bc49f362862d47cf4c2a03062c195ea9964a8906a5b0c573c1e79d
        • MD5 SHA1 SHA512 SSDEEP TLSH