Analysis

  • max time kernel
    148s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 03:58

General

  • Target

    2735b98c447aa6e60bd970f7145a55c3.exe

  • Size

    266KB

  • MD5

    2735b98c447aa6e60bd970f7145a55c3

  • SHA1

    f05e127d9f7b71b1cd4bfc5c854dfead35ffa075

  • SHA256

    9bd49f887e1b6adab44863380fb5c71de16d157c1dab89adb04f9d516292192a

  • SHA512

    8c865b90d0a65b3dd9774b29ae8cbca22e19eaa970d58dba826144b7badc3295bc99e43767065432447c2eea7c9fd336c8d6b0d3ac65c103e01f6536285d904c

  • SSDEEP

    6144:0JVpoxdqVpgPxSy64yXcAG1VZI+UHhB8gL23v1nv9ZTfDQ:+pMo6eXcz1/1lZTfk

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2735b98c447aa6e60bd970f7145a55c3.exe
    "C:\Users\Admin\AppData\Local\Temp\2735b98c447aa6e60bd970f7145a55c3.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\AppData\Local\Temp\2735b98c447aa6e60bd970f7145a55c3.exe
      C:\Users\Admin\AppData\Local\Temp\2735b98c447aa6e60bd970f7145a55c3.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\2735b98c447aa6e60bd970f7145a55c3.exe

    Filesize

    266KB

    MD5

    c70da72d3210535417b19070d7e29d9f

    SHA1

    6a9012fa31783396c8d93acb75cfeaa32728c1d3

    SHA256

    9ca1b725cc166ce3b69da05d8be3049c3b42d6d5d7c4b19699ce8acc785d7766

    SHA512

    fcfbcd66846f67bf02214c971088c0ab531466843c4bcaef6ac4184c4bea743e1913d490b89eeb98ddc192357c140d41e4a5538b04b7f4d05f53a7845de47105

  • memory/2992-15-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/2992-17-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2992-30-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4460-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4460-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/4460-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4460-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB