Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/09/2026, 16:06

General

  • Target
    27d3c779a898daf4acb46d345617d0508759e8d2d6acd7543c062f4253911b8f.exe
  • Size 5.9MB
  • Sample260905-tkd6rsxgra
  • SHA256 27d3c779a898daf4acb46d345617d0508759e8d2d6acd7543c062f4253911b8f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 4 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 registry class 4 IoCs
  • 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\27d3c779a898daf4acb46d345617d0508759e8d2d6acd7543c062f4253911b8f.exe
    "C:\Users\Admin\AppData\Local\Temp\27d3c779a898daf4acb46d345617d0508759e8d2d6acd7543c062f4253911b8f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe" --monitor
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1012
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:3064
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:988
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.exe" --monitor
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1660
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.exe"
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2540
    • 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:4952
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4696

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 316B
        • SHA256 98b08bf802d3d70ca602982880b93dbb801c895753dba08530d7e48711c3b546
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 2KB
        • SHA256 60f59a399a0529e2ab79b05afc360652ee7a438e0a91c06b0182fc56a181958e
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 282B
        • SHA256 08a447ef3dd66240110691dc7174d29d4713d55ba3d3dec4176a5d46ce38ef6a
        • MD5 SHA1 SHA512 TLSH

        6EBD0D78D799E307DA6AD4F19004AA0E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6EBD0D78D799E307DA6AD4F19004AA0E
        • Size 1KB
        • SHA256 170a7e90ec5f34afca9a7d1a353b4425e7547fcd23a1d07428b4ba04a3047d80
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 978B
        • SHA256 30f504672eae158fef37cea05717efaf81542874bb9df13e837cfaa5c1ac98f0
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

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

        18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18159EBD3277736D0444419407768451_2FD781D15115165DD3192E4E42E088C7
        • Size 488B
        • SHA256 4accc69fb15ff269b3a04816f7d0ad48d0573164230e3e5004fd01500cac57cc
        • MD5 SHA1 SHA512 TLSH

        223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771
        • Size 450B
        • SHA256 18054f110cdd303b6097e30a489f73055631f63f95585022a526e40fb48dda91
        • MD5 SHA1 SHA512 TLSH

        421EC2E1E0F47FC59DB99BB19E16DA88

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\421EC2E1E0F47FC59DB99BB19E16DA88
        • Size 484B
        • SHA256 4c231c8c2371b93a4b902813b6115688d1cc143d8b0f138281948ed6a2fde05f
        • MD5 SHA1 SHA512 TLSH

        6EBD0D78D799E307DA6AD4F19004AA0E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6EBD0D78D799E307DA6AD4F19004AA0E
        • Size 238B
        • SHA256 e8a50140b2b33657871e1bfd65a3293e3f539f809249a4a661379e4cb610c74e
        • MD5 SHA1 SHA512 TLSH

        D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\D0E1C4B6144E7ECAB3F020E4A19EFC29_A16793B4EA930C0E219244CEE32C9A44
        • Size 488B
        • SHA256 e61a14365646a04b7c2ebe95d67dd84c29c0bab8ab0024ab636a1603862f2213
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 eef9edc138a15af82ac591a82a08fd07ac5a5889339ab2b88b2600b6a568623e
        • MD5 SHA1 SHA512 TLSH

        DesktopWindowManager.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Diagnostics\DesktopWindowManager.exe
        • Size 6.2MB
        • SHA256 35e2981f1fbd73a143fbe034f2362b835d83d1d7fa28360da541cc2dc57e8b40
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserSession.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Explorer\UserSession.exe
        • Size 6.0MB
        • SHA256 e6cdafa87a4e82d14be4b8bf10458ac9fcca79fd09d04695ae04632ddd1c18b1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BackgroundTask.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\BackgroundTask.exe
        • Size 6.1MB
        • SHA256 c77071bb361310bb6c181330f120fafa70054d51d4084ecd04dd03912e2abc72
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CoreSystem.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemMonitor\CoreSystem.exe
        • Size 6.3MB
        • SHA256 d4e41578162aa030b82392862eb18929fb2945815656ed1666471fb4ec4f6f30
        • MD5 SHA1 SHA512 SSDEEP TLSH