Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 14:06

General

  • Target
    1519bcf1bf6114b2af6af8f83d799192e2ba19fa8c58a23be6c19c0392076e30.exe
  • Size 8.7MB
  • Sample260831-reqw9swwbv
  • SHA256 1519bcf1bf6114b2af6af8f83d799192e2ba19fa8c58a23be6c19c0392076e30
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 20 IoCs
  • Adds Run key to start application 2 TTPs 13 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 11 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 21 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 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1519bcf1bf6114b2af6af8f83d799192e2ba19fa8c58a23be6c19c0392076e30.exe
    "C:\Users\Admin\AppData\Local\Temp\1519bcf1bf6114b2af6af8f83d799192e2ba19fa8c58a23be6c19c0392076e30.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5584
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemHost.exe" --monitor
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4188
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemHost.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:2580
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3392
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.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:5472
    • 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
      • Suspicious behavior: EnumeratesProcesses
      PID:5196
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.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:1648
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\CoreSystem.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\CoreSystem.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2900
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\CoreSystem.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\CoreSystem.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:5796
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4520
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.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:5604
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:836
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5344
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2648
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\WindowsHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3084
    • 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
      PID:5676
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4460
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\SystemHost.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    PID:1716
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe" --monitor
      2⤵
        PID:5924
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe"
      1⤵
        PID:6040

      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 315B
            • SHA256 ba9a3a317c57475231412a0fa791114db9820efe3cc7f2eca942cca3906d864c
            • MD5 SHA1 SHA512 TLSH

            223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
            • Size 2KB
            • SHA256 20e7d4947fc612a9f88abec09476fd4c8a42543beb41079b5835fb5f1029bf1f
            • MD5 SHA1 SHA512 TLSH

            421EC2E1E0F47FC59DB99BB19E16DA88

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
            • Size 281B
            • SHA256 1f090b42ec964a450a1d512247c6acfbbfd51309ae0f9d631a8fcad793d0167c
            • MD5 SHA1 SHA512 TLSH

            49A7F8B8A2FD8A9E65352CD7C88B1D10

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
            • Size 177KB
            • SHA256 7dbdbcd2f72d21ea342d81ffecf7feb188b2cd0b1ed692bf8ff281f1cbb9ed80
            • MD5 SHA1 SHA512 SSDEEP TLSH

            D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
            • Size 978B
            • SHA256 a7e69fab83650d25600718a9fed4859d2e01d03850835880d576eb35f27e0ddc
            • MD5 SHA1 SHA512 TLSH

            DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
            • Size 2KB
            • SHA256 fbda55c37b71ef445303a8031846eba2f76823a946a874f3d37bbf7641ddbd0a
            • 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 0aced0bf88661d191c5b2887265db0c2761fa561cfe3677ac3bc5350c972eb53
            • MD5 SHA1 SHA512 TLSH

            18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
            • Size 488B
            • SHA256 98fca3ebdb29aaf0d0aaed8d1508bfeabf9c5aed147c13e6dff98eea0da45c0b
            • MD5 SHA1 SHA512 TLSH

            223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
            • Size 450B
            • SHA256 9e85710d726dc83284e1781bf3a177d4da01853c707154f9dbc63b8b29c57e09
            • MD5 SHA1 SHA512 TLSH

            421EC2E1E0F47FC59DB99BB19E16DA88

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
            • Size 484B
            • SHA256 4a041c4a109832cac10f330268ee6e3124fe7767e22b5e817a62f26baf9778a9
            • MD5 SHA1 SHA512 TLSH

            49A7F8B8A2FD8A9E65352CD7C88B1D10

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
            • Size 248B
            • SHA256 7e5becab78b334f279452e21cccfb154b92801ea679d4d696df68934ad4806c1
            • MD5 SHA1 SHA512 TLSH

            D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
            • Size 488B
            • SHA256 979c5aff2cb6bd65f4322abb665d531e67013c7debd1f908569e04ed7896a5c8
            • MD5 SHA1 SHA512 TLSH

            DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
            • Size 474B
            • SHA256 fedcc0687ebed36dd20fd44e0bb7f176c039f1ed862f12948617363da1a2b5dd
            • MD5 SHA1 SHA512 TLSH

            F15827BEC5BABE89C21DCDAE77464BF1

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
            • Size 192B
            • SHA256 13b48c3889285db5378912fb560373785efa798bcf5774761386c620e2a6012f
            • MD5 SHA1 SHA512 TLSH

            InputService.exe

            • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe
            • Size 9.3MB
            • SHA256 e4bd46e5f67cd3176520b9f7b1b0d56d13087949e0df6ac3c7e0c5816ac348b6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SecurityCore.exe

            • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
            • Size 9.5MB
            • SHA256 d0e9c8e6634d908d0c596ce60a9fed46ed941215b03490ab260f67c7d3bc4698
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackgroundTask.exe

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe
            • Size 9.4MB
            • SHA256 ccb6a4b5ccfeebacee8693a8106e065150880dd158e4f6be5e89a7d2bba4de1b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CoreSystem.exe

            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\CoreSystem.exe
            • Size 9.1MB
            • SHA256 26257f1d96b9b4653d7a9b471f4bdec57857f3ffbc44765918a02ca51d8b87ff
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SystemHost.exe

            • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe
            • Size 9.8MB
            • SHA256 c205d7105ba0d8599e04aa2c3f91661b8bede636313f7bea7ad6a036b896408b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsHost.exe

            • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\WindowsHost.exe
            • Size 9.6MB
            • SHA256 325d4a4c72d0bbe105f3ddc554cb9a8d6d19bfe384d4b7f6b03e529b5b4ecfbb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            UserSession.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\UserSession.exe
            • Size 9.0MB
            • SHA256 a9840a11f1bf5f320fc86e85a48b59b4048d6d7159fe758d46e7b4749ed20597
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackgroundTask.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\BackgroundTask.exe
            • Size 8.9MB
            • SHA256 3d0b134e4b7a05da80fbcb04b18919a08bcd220cbf9ff189148c13a9bc849165
            • MD5 SHA1 SHA512 SSDEEP TLSH

            WindowsHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsHost.exe
            • Size 9.7MB
            • SHA256 0aea98a091aa3d1ffe4bb4486fdf619b763dc01377465c4330a822e755d9aac8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            InputService.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\InputService.exe
            • Size 9.9MB
            • SHA256 7f51a2429d25b023d048af8d44c34f32dd1b79efd047194c41c04d1edcb450a6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SystemHost.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\SystemHost.exe
            • Size 8.8MB
            • SHA256 4eec58b01fa092e0c655e42d1160e56fab02f2ca3542b74d1c8900cb07341df0
            • MD5 SHA1 SHA512 SSDEEP TLSH