Analysis

  • max time kernel
    180s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 15:32

General

  • Target

    f71d31d7f52213968b198b50066d8917142d1a3c01a744b5695f4f8b3e1a0c5c.exe

  • Size

    265KB

  • MD5

    35b9c207ff1f82fe7bd44a0fdf80f7af

  • SHA1

    8dc8fb01d24cbc68ddc3b432fe3f7656414333b3

  • SHA256

    f71d31d7f52213968b198b50066d8917142d1a3c01a744b5695f4f8b3e1a0c5c

  • SHA512

    316fdd87f6a6119128baa0d2a35d66618b1fc8d537b1416ba6661b4d5ab01d68c17b01ea292ac6cc6043533af4bdae81dc1d215e0bc38b400f7f37b398367ec8

  • SSDEEP

    6144:4wX1gfiDR6LE1ueMZ02f5BismR0nCk0Lg1uoPqN6wHr4nO/d5qG:g6N6LkuDT5BinR0nuLmnqNRHz4G

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f71d31d7f52213968b198b50066d8917142d1a3c01a744b5695f4f8b3e1a0c5c.exe
    "C:\Users\Admin\AppData\Local\Temp\f71d31d7f52213968b198b50066d8917142d1a3c01a744b5695f4f8b3e1a0c5c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Users\Admin\AppData\Local\Temp\f71d31d7f52213968b198b50066d8917142d1a3c01a744b5695f4f8b3e1a0c5c.exe
      C:\Users\Admin\AppData\Local\Temp\f71d31d7f52213968b198b50066d8917142d1a3c01a744b5695f4f8b3e1a0c5c.exe
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:3328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\f71d31d7f52213968b198b50066d8917142d1a3c01a744b5695f4f8b3e1a0c5c.exe.log

    Filesize

    223B

    MD5

    1cc4c5b51e50ec74a6880b50ecbee28b

    SHA1

    1ba7bb0e86c3d23fb0dc8bf16798d37afb4c4aba

    SHA256

    0556734df26e82e363d47748a3ceedd5c23ea4b9ded6e68bd5c373c1c9f8777b

    SHA512

    5d5532602b381125b24a9bd78781ed722ce0c862214ef17e7d224d269e6e7045c919ab19896dd8d9ae8920726092efe0ffb776a77a9a9539c4a70188d5a4c706

  • memory/1780-132-0x0000000075420000-0x00000000759D1000-memory.dmp

    Filesize

    5.7MB

  • memory/1780-136-0x0000000075420000-0x00000000759D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3328-133-0x0000000000000000-mapping.dmp

  • memory/3328-134-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/3328-137-0x0000000075420000-0x00000000759D1000-memory.dmp

    Filesize

    5.7MB

  • memory/3328-138-0x0000000075420000-0x00000000759D1000-memory.dmp

    Filesize

    5.7MB