Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 14:07

General

  • Target
    4cd98549c42794baa024a9d74c65b5c9fef74584519b28ebafa0f3b05b5c90cb.exe
  • Size 4.0MB
  • Sample260623-rezjeadv7t
  • SHA256 4cd98549c42794baa024a9d74c65b5c9fef74584519b28ebafa0f3b05b5c90cb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 14 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 10 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cd98549c42794baa024a9d74c65b5c9fef74584519b28ebafa0f3b05b5c90cb.exe
    "C:\Users\Admin\AppData\Local\Temp\4cd98549c42794baa024a9d74c65b5c9fef74584519b28ebafa0f3b05b5c90cb.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5872
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3412
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe"
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:6008
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.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:1200
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:6012
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.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:1316
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3172
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\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:1764
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\DesktopWindowManager.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2936
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\DesktopWindowManager.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:3580
    • 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
      PID:5768
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\SystemTrayHelper.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4592
    • 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:2572
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\SystemHost.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5260

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

        1590DF81A65FEC0F13022A69A8A4AE74

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1590DF81A65FEC0F13022A69A8A4AE74
        • Size 281B
        • SHA256 117a5acfb066b1e7a1b8251cd464b287dcbaeb5bf30c4e02e8d21a7ca557621e
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 314B
        • SHA256 077e1e100c0c035fc1af995413d761a6c5eae2b3ef3852efa4ef87d0d168e23a
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 c9aa1f0871e1fd708871af8bb5b7796dc11faf1554b90c152014feb2ddbfa2ea
        • MD5 SHA1 SHA512 TLSH

        A8A4CE43DA65177907B85FEC6335160B

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\A8A4CE43DA65177907B85FEC6335160B
        • Size 51KB
        • SHA256 9f209d0cf7fb95aeab3b2f4dcb1db9d9c249ca93b11c81b3cefdc4ecc7f6e241
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 979B
        • SHA256 9ff4ce0b54894fed6137d6ef43e72726ec2383a1d58429946f592fdf298d2bd9
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 c3fe00bb03ba30219d5a10c60be757762bb902876d08de097372d3dd5e015f96
        • 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 4129e5918438e0a97faaacc2856418829e8847b8a9650d247c52bcf5893e2ea4
        • MD5 SHA1 SHA512 TLSH

        1590DF81A65FEC0F13022A69A8A4AE74

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1590DF81A65FEC0F13022A69A8A4AE74
        • Size 488B
        • SHA256 4807565a8e2872ca0d85a4e00ded32e7f912e4b2b55478207f1b46106d5c1763
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 09f2623d91acb262c24f8ee119643d3a5e3b4f84d93a92f350a88a4b40f24081
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 f181e992fbe895cd35c530c7a1afc1cfedc92cc7531f1a20c0800a70c0b33485
        • MD5 SHA1 SHA512 TLSH

        A8A4CE43DA65177907B85FEC6335160B

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\A8A4CE43DA65177907B85FEC6335160B
        • Size 246B
        • SHA256 2d454eb36b4c6af063796a291c9a8a80f3de009bf14a9511c79c8b9ead78e715
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 e842adee9a69261dcd4fab2c92125e9975a14ffb68e29d68d73606a934884d86
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 d1801da1e35ab80b0ec89be4aaa9e68281c98b723c9a8915d7fe8cbd8efd29ff
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 b08abe2e7caab7a1a5a61c49aacc5ae3bb21e21a6b408f2953e552c2521413bf
        • MD5 SHA1 SHA512 TLSH

        DesktopWindowManager.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\DesktopWindowManager.exe
        • Size 4.6MB
        • SHA256 9cba7847ba91496e96a25b38c81f2b7ba3fbd2496d3f72e41b8e171ce9aa9105
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemHost.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemHost.exe
        • Size 4.8MB
        • SHA256 79b0754fdb3ceb89d95cdb823d11f224c20554c834616a1edddd0d7166cbc9e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemTrayHelper.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\SystemTrayHelper.exe
        • Size 4.7MB
        • SHA256 4f800f9d143fe4f6887dbbddf5a7978602430b4bfc734c2a27e8be853d072351
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InputService.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\InputService.exe
        • Size 4.4MB
        • SHA256 e38854360aa57b95e7fc96e1b3e0e39136570f4558a77faecedc6f7a0e272d40
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe
        • Size 4.2MB
        • SHA256 ef218396e4f08bf6150a5bc5d73282a54bb412ea9fb2ed702762e3ccbc67e69f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\ServiceHost.exe
        • Size 4.3MB
        • SHA256 ebbd39109fc5eadbb2f23f57bf4cd7f9707ac26510aa4e2341729b1cb43385a2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe
        • Size 4.1MB
        • SHA256 172345ae64a060c6bdb9db814bfa32d13daafd62f8f61267b5a5f30c0695258a
        • MD5 SHA1 SHA512 SSDEEP TLSH