Analysis

  • max time kernel
    41s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/11/2024, 13:58

General

  • Target

    4671a2b6c4d1b19595640721dc51e343c7b21db565c8714d082fccda773a674dN.exe

  • Size

    47KB

  • MD5

    9d8511bf4a25576e31f30c5fb38a3ab0

  • SHA1

    a670610763f095968bfe3c6af62981315324e04e

  • SHA256

    4671a2b6c4d1b19595640721dc51e343c7b21db565c8714d082fccda773a674d

  • SHA512

    ae69acb32facb957eba6a53a55511a68d3a2521069c4dfd4f25754cfcb2358a30e752a96f61f295017c6fb8799792c7221d0ad749ab07f98615f64b1b36b68a5

  • SSDEEP

    768:PTAm5hiTllzeF/AJOTmbWa8RYdiU3/7Shy5nv9/vJ7o9B/PxDc2Zpo/:PLIcNTcWATPuhI963hDR8

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 2 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.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4671a2b6c4d1b19595640721dc51e343c7b21db565c8714d082fccda773a674dN.exe
    "C:\Users\Admin\AppData\Local\Temp\4671a2b6c4d1b19595640721dc51e343c7b21db565c8714d082fccda773a674dN.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Windows\Explorer.exe
      C:\Windows\Explorer.exe C:\Users\Admin\AppData\Local\Temp
      2⤵
        PID:2792
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1504
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1364

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\ .cmd

              Filesize

              44KB

              MD5

              9172cdd2ca40a679f0bbe3a986fc0f48

              SHA1

              441afa49e90e2761d276b5c4660b86d3295d4e41

              SHA256

              43195fa80917695d49aa6ff28835f9982b8554af0a6947bfa8f9cef7620cccf0

              SHA512

              39d43d4fd0dcaeadd66c404329ab7b8836090ab24d39ae264fb4d01d3017458a6e5727586c8ea6d71ddaa1fbf60eb7e796c4c6a47f8c910ed00d43a63de588e8

            • memory/1624-0-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/1624-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

              Filesize

              4KB

            • memory/1624-71-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/1624-72-0x00000000001C0000-0x00000000001C1000-memory.dmp

              Filesize

              4KB

            • memory/1624-73-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/1624-74-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/1624-75-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/1624-76-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/1624-81-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB

            • memory/1624-85-0x0000000000400000-0x000000000041F000-memory.dmp

              Filesize

              124KB