Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/09/2026, 19:20

General

  • Target
    548f9ffa6b5667dd0dccd3e7906aa6860bbdfbdfe423f675b78d5a7e13249e68.exe
  • Size 10.1MB
  • Sample260912-x2eemstala
  • SHA256 548f9ffa6b5667dd0dccd3e7906aa6860bbdfbdfe423f675b78d5a7e13249e68
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 7 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 14 IoCs
  • Adds Run key to start application 2 TTPs 7 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 8 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 15 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\548f9ffa6b5667dd0dccd3e7906aa6860bbdfbdfe423f675b78d5a7e13249e68.exe
    "C:\Users\Admin\AppData\Local\Temp\548f9ffa6b5667dd0dccd3e7906aa6860bbdfbdfe423f675b78d5a7e13249e68.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:4672
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3272
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.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:748
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1692
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.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:1096
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemTrayHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2844
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\SystemTrayHelper.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:5456
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5116
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.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:1868
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:736
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.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:5660
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\DesktopWindowManager.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5372
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\DesktopWindowManager.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:4788
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\SystemHost.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\SystemHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1396
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\SystemHost.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\SystemHost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3260

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 c4f967c6bf8395e191bc1cae9ec7698305ec01848df166bff48881a24c41cb49
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 76542d72e58371df0398c037592bbac4ae9a3407025ddc9b97efcab1a6aa1c86
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 282B
        • SHA256 36408e52c9acbe4615b115121e4f1915f3764104d7c07f69863305c5a40f9d9d
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 175KB
        • SHA256 62a343611968dc9e706a1fba6be48b523a0c5e7d4940daf7ce544d70c04f69cd
        • 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 54a1217cecef8c3d3e0bd63200c1be6431dc56ade04a47a3b5b36fd5c618e398
        • 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 105808ba5ce12e01cfd8cf5b059daeb3eea6db632176039dcf121cd6139614ea
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 420fe5fdb30f13ef8a236c2feaf394e0a8d746da074aaf8717cc9cd2c42f5b48
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 fa9bdea9fc3289cd078e9833a8404b3aa295f48cda7a0055966062a98bf086e1
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 534c80e61900b6808bc8ed0e0e94c2f219693ec2962b025df723358705a47747
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 cfe6f132f97960747bd3f62b15e6fef0ab51ed4dcef99c298b67aeb0f7572241
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 f15280c46b683fbfb839e07ad2ade3102c226e444c2b612a797f5f5b07f3048f
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 4e39da7f320671465fe82340ca58090fd3b8f272848c0298305baaa8707b1c0c
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 618b934acfb6f758db707f1152a620164e16e32a92ebdca34afe3198d292f701
        • MD5 SHA1 SHA512 TLSH

        SystemHost.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\SystemHost.exe
        • Size 10.9MB
        • SHA256 5e5efc474aeb0f1d75178fe3f98e0c465c888e3fb17389a7fca64f5403621fde
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\WindowsHost.exe
        • Size 10.3MB
        • SHA256 13fc05c0527b952a1f6c87a03efa496f9829c00bc837c0b7ae75ae86dcc6498a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemTrayHelper.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemTrayHelper.exe
        • Size 10.4MB
        • SHA256 a13b3b4ad867c56600eab24d04cd2e12e1acd21275335596f2ba792719dbc0cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe
        • Size 10.7MB
        • SHA256 1d51c4e6d8c08f2a2db3f0072d9b3dfdb6ad3e859b2d6f8889f412234264986b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
        • Size 10.5MB
        • SHA256 3d75566dd96ba32a983a0f5c547c59357a11b0c886c5224b81ae4de1a9d8a591
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DesktopWindowManager.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\DesktopWindowManager.exe
        • Size 10.8MB
        • SHA256 46a31b703b771236518d56922e87ef4ecbaa0551498de0adcb7ced32da6429a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UpdateService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UpdateService.exe
        • Size 10.2MB
        • SHA256 b9e419e73e2443a17e94802443fb4a3b1ea93e3797f552b3418000bea5fa4aea
        • MD5 SHA1 SHA512 SSDEEP TLSH