Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/09/2026, 17:14

General

  • Target
    498752858a31c9ea17b9ca56fe6d36dd332a06b375e9c7d75af0a9624ade6088.exe
  • Size 5.5MB
  • Sample260912-vsctcatvaz
  • SHA256 498752858a31c9ea17b9ca56fe6d36dd332a06b375e9c7d75af0a9624ade6088
  • 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 10 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 5 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 system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\498752858a31c9ea17b9ca56fe6d36dd332a06b375e9c7d75af0a9624ade6088.exe
    "C:\Users\Admin\AppData\Local\Temp\498752858a31c9ea17b9ca56fe6d36dd332a06b375e9c7d75af0a9624ade6088.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3404
    • 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:1692
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.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:3524
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:796
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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:3456
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2584
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\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:1964
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3540
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\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:3644
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:3164
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1696
  • C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1480
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    PID:5880

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 17cf3ea57e4f15ee4c6895b048856a2e90765cb548a7af69eaf53592f3293a90
        • 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 174KB
        • SHA256 c250fbc35b7e847b2c03aed9deca4e6d87d6af19effa660415702c657a07f18e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 978B
        • SHA256 d47f36305c57a449d1209353c65cf916990d10c10bbb8dce40387ad034ead9fe
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 8b06ac7611029b30d6e69336012c1cbef6b55bd1b49089478ba042f65453dc1e
        • 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 21cf1d23e3dd6537ebffcd26ba23ffcabd7dacc411f30a2fe8e6bd32352b2f9f
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 0efe1abe216d3c320d8104cb7119234909454946a8cada1b1fe3d928676a9a6e
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 8abcf3adf4e6114aba1fd4909a834b0baac8123a87adcb2d79d17301057112e5
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 44c788b6c8c83a24e82b0c3e01d3843ce2600e5a73916e287fe330208dbbf00f
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 eaa6b23a7827fd79e5a7d8a062fdb161d6c09c088f2e7bf1b65f583da3a5cd44
        • MD5 SHA1 SHA512 TLSH

        49A7F8B8A2FD8A9E65352CD7C88B1D10

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 f02ee7378bbc9eb168982055ef22f8305116b304040833f99b32d1cc46d41dc1
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 ddad45ebe8a3d2318925cf1cfbb29746c6a07ff20ad7d456c38429ee30fe1c1c
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 e2ffb6c103698117d25c6837dd979845641dd00f8d61cd3503c0d280d999a8d9
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 c486a87065d4136ba79717c122588ef4ce46a69042b7ba0ce57fab7b5eaa91d0
        • MD5 SHA1 SHA512 TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\BackgroundTask.exe
        • Size 5.9MB
        • SHA256 1e44d1383ab1562d719a0038124121330f29e5df7403e6787ca855403c91c998
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\BackgroundTask.exe
        • Size 5.6MB
        • SHA256 a5ae9c6bdc6269fcf11f6f5e3b20fd8bef04720ef7a15b6054bb08b3ecc6b8bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SystemTrayHelper.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\SystemTrayHelper.exe
        • Size 6.2MB
        • SHA256 2ee605f153e0358924caffde60b069e79fc37dc1f8e95ad3b76408bda14a5989
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ServiceHost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\ServiceHost.exe
        • Size 5.8MB
        • SHA256 c96c834fe5b06304fa9d5d6cd56fa3f467b12d11c4969fd39e01a3757756a415
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\UserSession.exe
        • Size 5.7MB
        • SHA256 2dbe67dd030cec50b80e4798c25fe96fe0dec66e1cfdc3de281f89e174a2fbbf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DesktopWindowManager.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\DesktopWindowManager.exe
        • Size 6.3MB
        • SHA256 3faeee36bd04261f0278c306ee999de3720977002007223aacf71b1d4eb9ac7f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RuntimeBroker32.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe
        • Size 6.1MB
        • SHA256 3682a7d8ff42f5cac13e9a45214a4b2c4dc797a3f0510527e53ab57060f25c3d
        • MD5 SHA1 SHA512 SSDEEP TLSH