Overview

overview

7

Static

static

5

cb073699cd...31.exe

windows10-2004-x64

7

cb073699cd...31.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/10/2026, 15:31

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General

  • Target
    cb073699cdcc55b48b68af5dc99c21ffece02c8df769e0a0cd482bf6005ad231.exe
  • Size 16.2MB
  • Sample261006-sydaysas7x
  • SHA256 cb073699cdcc55b48b68af5dc99c21ffece02c8df769e0a0cd482bf6005ad231
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 20 IoCs
  • Adds Run key to start application 2 TTPs 16 IoCs
    persistence
  • Contacts third-party web service commonly abused for C2 1 TTPs 20 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Detect suspicious telegram bot 10 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 42 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb073699cdcc55b48b68af5dc99c21ffece02c8df769e0a0cd482bf6005ad231.exe
    "C:\Users\Admin\AppData\Local\Temp\cb073699cdcc55b48b68af5dc99c21ffece02c8df769e0a0cd482bf6005ad231.exe"
    1⤵
    • 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
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\CoreSystem.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\CoreSystem.exe" --monitor
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3308
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\CoreSystem.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\CoreSystem.exe"
    1⤵
    • 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
    • Suspicious use of WriteProcessMemory
    PID:1616
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2812
  • 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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3040
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:5948
  • 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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsInternal.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\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
      • Suspicious behavior: EnumeratesProcesses
      PID:5712
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsInternal.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsInternal.exe"
    1⤵
    • 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
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.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:6044
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.exe"
    1⤵
    • 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
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4752
  • C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe
    "C:\Users\Admin\AppData\Local\Temp\\WindowsHost.exe"
    1⤵
    • 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 use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe
      "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:4412
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe"
    1⤵
    • 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 use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.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:4504
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe"
    1⤵
    • 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 use of WriteProcessMemory
    PID:5908
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsInternal.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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:416
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsInternal.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsInternal.exe"
    1⤵
    • 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 use of WriteProcessMemory
    PID:6052
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2892
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe"
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    PID:4444

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
        Submit Download

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 312B
        • SHA256 a7623ec06b284a6fb826201a50ba87bada4555da6756fed0506055779bd9c689
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 89b31e9755fdfd7588ac55f6fea7ace0f30fbe4b3a6ee4b36d356b0807ce36de
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        421EC2E1E0F47FC59DB99BB19E16DA88
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 280B
        • SHA256 c69592506d532c2dc4c1e12123bb77614cff29a086609849a684c5dfac59fc4b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 181KB
        • SHA256 f0fe1a94535de81ae009ef766f9657db63b9ec1a3bc39b445d8fdce232340cff
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 975B
        • SHA256 6578796400b298e86958d80e3188af19e2cf7c42fae5db0a5bbe46db7a0cdb96
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 2e6271213909eabd3ff1448b241914e2189eded1ce3365b5bbb4e5f4c823b76e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        F15827BEC5BABE89C21DCDAE77464BF1
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 701B
        • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        103621DE9CD5414CC2538780B4B75751
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 0bd8ba4ba988109b6c3b16ca434ce4d1d42928afc6752a2106e752e2c9fe8b6b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 7ee41f16abae32d560575c425aba65710ff3503f96b6e70cde8611ccd74529b8
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 eed3ffce2637c12ed1745c61db2d64530978fe7d677702912ec7256055830c3b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        421EC2E1E0F47FC59DB99BB19E16DA88
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 6b71ceb897984574ce8c7f19b6ac21f94f96f15e625e51037add7f85494efdb5
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 28b91124f0eba2f5b4ceefd6c56c5091de94dcc55e1f8bbb1aecf91f2cf780ee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 a8d0494cc3da51424b2b934edfa9dd32cd047296ea3ab5ee84132bd6ca13dd09
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 fefea4ee60cf62d0bd986c0d339ee484376de5082ab4f2ae8b91602659c298e3
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        F15827BEC5BABE89C21DCDAE77464BF1
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 491f0e8d785ea0b505b8756d08fdbb60f416717826fd340fa4d05f8a6d4782f2
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        InputService.exe
        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\InputService.exe
        • Size 16.4MB
        • SHA256 698b3f5fabb88a1c9bc5f4d471f69d3ffa6ad445d9e0c5c2a51b73939f44a3a9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UserSession.exe
        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\UserSession.exe
        • Size 17.0MB
        • SHA256 61cd24a95d6247e9c0065fe60b55c12eb7192185483e0a0accc0d4cda8a8ee64
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsInternal.exe
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsInternal.exe
        • Size 17.2MB
        • SHA256 deb28d5010c67c53cd50616c2384634534e6d681f9b66167a1c2d9d3ec806bc2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsHost.exe
        • Path C:\Users\Admin\AppData\Local\Temp\WindowsHost.exe
        • Size 16.9MB
        • SHA256 112d25a182028be7c04014b67525cbb1e82f6329a495c8a72c248ed5dc515dc7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CoreSystem.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\CoreSystem.exe
        • Size 16.3MB
        • SHA256 0f2f42c4aaaa5e81a4fb1e346e6cb47724aab11441b35de3ebbc1b099ac92961
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsInternal.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\WindowsInternal.exe
        • Size 16.6MB
        • SHA256 c7bed8768355c7e2d941c7225e6f683769c1430b4eb3ce7e3fa7e043f39f641c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ServiceHost.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\ServiceHost.exe
        • Size 17.3MB
        • SHA256 3613e33e4cee46bcf0880ee1cdb3af08a5c40f1e750f6141d2d5a834fa736cf8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RuntimeBroker32.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\RuntimeBroker32.exe
        • Size 16.5MB
        • SHA256 65ed32e46b89b506e66f1fca62e5766972c9010141b052bca6fb1a9987dfdf3b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsInternal.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsInternal.exe
        • Size 16.8MB
        • SHA256 adb6bbb618aa22f6bd632beed7cc42dc21fdbb89b2e8cdcc275ada643e68c89d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsShell.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsShell.exe
        • Size 17.1MB
        • SHA256 a8dc79bc5bdca1cf087ebab48c705a834b1d44bee45ec0d721a527d714d669fc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download