Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/12/2024, 10:42

General

  • Target
    70849a1efa87c9363c62cdd0ca1ac5db34e13ae1e6803f5bcf4be9660b487156.exe
  • Size 358KB
  • Sample241224-mrr8msvpbz
  • SHA256 70849a1efa87c9363c62cdd0ca1ac5db34e13ae1e6803f5bcf4be9660b487156
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70849a1efa87c9363c62cdd0ca1ac5db34e13ae1e6803f5bcf4be9660b487156.exe
    "C:\Users\Admin\AppData\Local\Temp\70849a1efa87c9363c62cdd0ca1ac5db34e13ae1e6803f5bcf4be9660b487156.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Users\Admin\AppData\Local\Temp\70849a1efa87c9363c62cdd0ca1ac5db34e13ae1e6803f5bcf4be9660b487156.exe
      "C:\Users\Admin\AppData\Local\Temp\70849a1efa87c9363c62cdd0ca1ac5db34e13ae1e6803f5bcf4be9660b487156.exe"
      2⤵
        PID:2420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4560 -s 880
        2⤵
        • Program crash
        PID:4964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4560 -ip 4560
      1⤵
        PID:5092

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            orcyebry.dll

            • Path C:\Users\Admin\AppData\Local\Temp\nsnA76C.tmp\orcyebry.dll
            • Size 175KB
            • SHA256 a9b13e44fc7a247368e980cf20889619100caad4387662b639923eda30bcf9b9
            • MD5 SHA1 SHA512 SSDEEP

            memory/4560-6-0x0000000074780000-0x00000000747B0000-memory.dmp

            memory/4560-9-0x0000000074780000-0x00000000747B0000-memory.dmp