Analysis

  • max time kernel
    89s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 04:09

General

  • Target

    8b5c2074ecba4918fbe687a876df516d.exe

  • Size

    10.2MB

  • MD5

    8b5c2074ecba4918fbe687a876df516d

  • SHA1

    fdc2324be1cc8dec8874390c3a7afcfd811be734

  • SHA256

    3d0dd9dfa43298f5dcc1aabf233b977d05b4ef4c25f7ed1c794986c29561fc19

  • SHA512

    761aee170fb957f4c4ba877d293d03769c8f29ff34e2a3e7ed4c27a995816ff27053f566c65c155f7cc43f4c15942cd6c1625c42363b6e27211af2256f48fdce

  • SSDEEP

    98304:01NywFVly3R6lWRcZa30g2yOEjjs9/g3AZrRMftTmYQJ30g2yOEjjs9/g3:0X1FPy4lWuZnZUju/FZrOt6XCZUju/

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\8b5c2074ecba4918fbe687a876df516d.exe
    "C:\Users\Admin\AppData\Local\Temp\8b5c2074ecba4918fbe687a876df516d.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Temp\8b5c2074ecba4918fbe687a876df516d.exe
      C:\Users\Admin\AppData\Local\Temp\8b5c2074ecba4918fbe687a876df516d.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\8b5c2074ecba4918fbe687a876df516d.exe

    Filesize

    304KB

    MD5

    4a1cafcae9136026140abb2f67aad1e9

    SHA1

    994c030e0b06c610b6bbcae4d69eea6d00634c44

    SHA256

    d7390dca91a202d0739ac14efcc581027d7e2d912bb72c7f9868bd582414091c

    SHA512

    e8d620aa44d51359cbbbb9161202640f16d8c182210b9435105867809a6ab70c8f83ceba88e044235a84c25cc7889aa742dd80ff1441f9d0ff5f911207a8eed3

  • memory/1656-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1656-1-0x00000000023E0000-0x000000000263A000-memory.dmp

    Filesize

    2.4MB

  • memory/1656-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1656-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/3852-15-0x0000000002360000-0x00000000025BA000-memory.dmp

    Filesize

    2.4MB

  • memory/3852-18-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3852-31-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB