Overview

overview

7

Static

static

5

4481aa91b8...3f.exe

windows10-2004-x64

7

4481aa91b8...3f.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
    03/10/2026, 16:17

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General

  • Target
    4481aa91b8e88c04acb784bf24a36092686d96974fad437d788dad971dc5263f.exe
  • Size 1.6MB
  • Sample261003-trrenstxdx
  • SHA256 4481aa91b8e88c04acb784bf24a36092686d96974fad437d788dad971dc5263f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 18 IoCs
  • Adds Run key to start application 2 TTPs 14 IoCs
    persistence
  • Contacts third-party web service commonly abused for C2 1 TTPs 16 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 38 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 19 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4481aa91b8e88c04acb784bf24a36092686d96974fad437d788dad971dc5263f.exe
    "C:\Users\Admin\AppData\Local\Temp\4481aa91b8e88c04acb784bf24a36092686d96974fad437d788dad971dc5263f.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
    PID:5380
  • C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
    "C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe"
    1⤵
    • Deletes itself
    • 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:4832
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4748
  • 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
    • 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:2340
    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\UserSession.exe
      "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\UserSession.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:3496
  • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\UserSession.exe
    "C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.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:6000
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\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:5700
    • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UserSession.exe
      "C:\Users\Admin\AppData\Local\Temp\Diagnostics\UserSession.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:1408
  • C:\Users\Admin\AppData\Local\Temp\Diagnostics\UserSession.exe
    "C:\Users\Admin\AppData\Local\Temp\\Diagnostics\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 behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1608
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2644
  • 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
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\InputService.exe
      "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\InputService.exe" --monitor
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:2740
  • C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\InputService.exe
    "C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\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 use of WriteProcessMemory
    PID:3824
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsHost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsHost.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:4684
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsHost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\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:4280
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.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:2112
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.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:5300
    • 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
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      PID:716

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 313B
        • SHA256 acb9d981851f4c3271fad627cdfda2a2d8599028a2b9b0f06fd24acd3767dcad
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 541828396e95f1244c8fd8c461d08e6914672db6a9d836a3ab2c432f8f2b0352
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        421EC2E1E0F47FC59DB99BB19E16DA88
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 280B
        • SHA256 b58f7696fc81ea50570304ba19a94ac07ef88f00cb18545c035b4dc13205bfef
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 181KB
        • SHA256 ac98a885ce53aab18119c364bce08a1d4d9d38bf503cde57a9c5d155f0a87439
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 976B
        • SHA256 8c7602efe22cb85666dfca8b597ad0f33617fdd861c8bf7e951c305dfe59b3dc
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 2KB
        • SHA256 57c2ac700d8b52ae8edcdda9ac8069ab4dc4ea1233a73844b32803889da2b052
        • 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 5d98a95a595bc33ae9a781e9734f6955cc84e6bdc6d6ed6f27caf507207bff7d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 aae324b1fed011368f35de34127c2408707e2787390a6ef47f7843c57e6bbe23
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 dd067a8f57749b1cf49894709b7b15e820b143454a65cddb339acc6fc1d0cd22
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        421EC2E1E0F47FC59DB99BB19E16DA88
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 8035397237df0d9b6cde0ecc768aa66f9975725a7fe8f5f2d1132b71c59c0212
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\49A7F8B8A2FD8A9E65352CD7C88B1D10
        • Size 248B
        • SHA256 b1fc69ef270e2cf6db5f6e8cac22bb2dc09a8a7321f2232eed1313d38ab43fa2
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 77bc819eee9c76860333a73a390dde60cc61cd04f22b23398dc579f44255b909
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF2B6F1E6BCC61CEBCA21A02089A3B19_4F548F7827F125ACC54E53397A41333A
        • Size 474B
        • SHA256 b2820799d550f04b0673dca5ea4e516af35a26d6003f76ccb7006bfef2e06763
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        F15827BEC5BABE89C21DCDAE77464BF1
        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 5ce37508f01e4e2bb0c09548ecb83b942a345c2393def416f812b804d92dee34
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        SecurityCore.exe
        • Path C:\Users\Admin\AppData\Local\Low\Microsoft\CryptnetUrlCache\SecurityCore.exe
        • Size 1.7MB
        • SHA256 43c3e946af14a33482dfecace5e4320a9d97773ca3369b1989a588ce4cc2f04d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DesktopWindowManager.exe
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\DesktopWindowManager.exe
        • Size 1.9MB
        • SHA256 a97cabadebc57d6ba99845080aad9f13a002c52908ee1e5bf81c742b1b9ad194
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        InputService.exe
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\WER\ReportQueue\InputService.exe
        • Size 2.4MB
        • SHA256 13e1532737697bd3195f8c3647ebe0a137e2089d0bec8a24d07d3dc29cb257b9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UserSession.exe
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search\UserSession.exe
        • Size 2.0MB
        • SHA256 c081a13b8cead37231b65737499b6d96c3502bd5eea04e9fe63825e1ccfb6e19
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UserSession.exe
        • Path C:\Users\Admin\AppData\Local\Temp\Diagnostics\UserSession.exe
        • Size 2.2MB
        • SHA256 0cdd4c982103279bced4af9bea2131e4016d942e8e2d20b1d3a26a06a3473a28
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsShell.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe
        • Size 2.3MB
        • SHA256 5cb1c33476dfbec289d64155bdfcceac7041c6b3251f74759e2ec9459df80768
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsShell.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\CLR_v4.0\WindowsShell.exe
        • Size 2.7MB
        • SHA256 169dff6f02160fdeb5441bdbc878a4a41b1f5483ba1ac95b6cac8924eb5e56aa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CoreSystem.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\CoreSystem.exe
        • Size 2.1MB
        • SHA256 9f35b1dccdaf53a3566f23256c7285a037818ffea4514dd08bdbcfdf61c93f43
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        UpdateService.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\UpdateService.exe
        • Size 2.6MB
        • SHA256 ccf11b07961232848d2994e81085889390feee76fd9f4e505738a9337af745ca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WindowsHost.exe
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\WindowsHost.exe
        • Size 2.5MB
        • SHA256 2adef33889bdffa9d3b521c67c8a1ced7b1c1317003e1d76a23afde0b07bb56c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download