Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 13:58

General

  • Target
    a310e2fa12e946b9ab554ca7ab0c554a371bdb75185e391c4a002f7ece844c16.exe
  • Size 1.8MB
  • Sample260727-q923catflc
  • SHA256 a310e2fa12e946b9ab554ca7ab0c554a371bdb75185e391c4a002f7ece844c16
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs

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

  • Detect suspicious telegram bot 4 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 9 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a310e2fa12e946b9ab554ca7ab0c554a371bdb75185e391c4a002f7ece844c16.exe
    "C:\Users\Admin\AppData\Local\Temp\a310e2fa12e946b9ab554ca7ab0c554a371bdb75185e391c4a002f7ece844c16.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:3424
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe" --monitor
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2612
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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:700
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2820
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.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:5980
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2352
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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:3524
    • C:\Users\Admin\AppData\Local\Temp\NetworkHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\NetworkHelper.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4696
  • C:\Users\Admin\AppData\Local\Temp\NetworkHelper.exe
    "C:\Users\Admin\AppData\Local\Temp\\NetworkHelper.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5416

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        09EC553619BC82A45E441B5D9BEB4136

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\09EC553619BC82A45E441B5D9BEB4136
        • Size 282B
        • SHA256 25b5b04f78f2c54fa0d7e083313f0e9396812c873bd9a4190edd3d826a9e2b72
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 314B
        • SHA256 a577ae515c59e657451a9821583b278fe09f8ce0b86794fc9a8f176b542e9724
        • MD5 SHA1 SHA512 TLSH

        67F6625BC22310D5C99DDE12020DBD90

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\67F6625BC22310D5C99DDE12020DBD90
        • Size 584B
        • SHA256 6d473796c6f906f567e4837a54161097d0bbc0f662ade87705e46237d7c1160c
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 978B
        • SHA256 9c533a053a9ea9a49777c8f1dd05061e5d2947cdbc48510789c6f1aae6a0bf53
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 2c3d9b2e971b7c3f1650e7c73f7589db03f33054115680ea086e0ef8c56020a4
        • MD5 SHA1 SHA512 TLSH

        09EC553619BC82A45E441B5D9BEB4136

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\09EC553619BC82A45E441B5D9BEB4136
        • Size 488B
        • SHA256 4876d7817e755ca4f8e610001d8145a9cb9bbab7676e7b6f99539a2dca1ca1d9
        • MD5 SHA1 SHA512 TLSH

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 0e625d954f54d4c69e6ced8461acfa85f2211e6967c6da449ea76186c4569de9
        • MD5 SHA1 SHA512 TLSH

        67F6625BC22310D5C99DDE12020DBD90

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\67F6625BC22310D5C99DDE12020DBD90
        • Size 230B
        • SHA256 4ca4c972b420a415a651503415a67f3b9fb5e1063e44a533db36ffc193126e05
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 7599968f4becdf0aa666029d4652d09ac8e91d3710594736b9fd470a7569f84d
        • MD5 SHA1 SHA512 TLSH

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 8bd54cc78f15b1d7d2c8862cb966cc4645e9a03845f37fbd1b53137b1a29a843
        • MD5 SHA1 SHA512 TLSH

        WindowsShell.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\WindowsShell.exe
        • Size 2.1MB
        • SHA256 604abfee1818a4d9539ee984d9c606b07ad6a36c3512dcf26842709df642433e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\BackgroundTask.exe
        • Size 1.9MB
        • SHA256 eaa213370fb29a210b1d792329eb42678d800ea85bd10d9b95e1e2ee4656efe7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NetworkHelper.exe

        • Path C:\Users\Admin\AppData\Local\Temp\NetworkHelper.exe
        • Size 2.2MB
        • SHA256 23bc7ee9bd69277f8f44cc9f27ebb864f41e11348d067b3a49dbc3cbb333bb6e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RuntimeBroker32.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\RuntimeBroker32.exe
        • Size 2.0MB
        • SHA256 b3c5296d004c7e578a848eee4d00c3edb0f91a072d9978b08f96351b3eb84f86
        • MD5 SHA1 SHA512 SSDEEP TLSH