Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2024, 14:55

General

  • Target

    89cd89e5586507242c623efd29c2dedc.exe

  • Size

    133KB

  • MD5

    89cd89e5586507242c623efd29c2dedc

  • SHA1

    6a74caf6b871ad6002c8b021769ad2d65ac9c965

  • SHA256

    d359d909cd52abd981d548df72e3a6d6722f1b4f08701e9bad9de8543348048b

  • SHA512

    bf8a80fadfb1759b62026a6ba0882317968cbd37693af3febda31012bb46a7c3d245e6b30576576d9a275a148c413b76b3035fdc887491065f9bde2901ef7d34

  • SSDEEP

    3072:CYH6SjxBu6/A2etZ4dPQddqe9MwumRCFHh7Dpq80kOLX4+M5upuQ:h6uD9/A3tOdPadCwJgRpq8EI+MAuQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 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\89cd89e5586507242c623efd29c2dedc.exe
    "C:\Users\Admin\AppData\Local\Temp\89cd89e5586507242c623efd29c2dedc.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Users\Admin\AppData\Local\Temp\89cd89e5586507242c623efd29c2dedc.exe
      C:\Users\Admin\AppData\Local\Temp\89cd89e5586507242c623efd29c2dedc.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\89cd89e5586507242c623efd29c2dedc.exe

    Filesize

    133KB

    MD5

    6e4c04b6e75331d06a1f35f5745d7131

    SHA1

    2eea287c399f0437404eb2a6ab44be4feee2cd19

    SHA256

    a6aebe37da553ef061ffb9eb3fa22f008c9d8fd4de2a58991b5f2c38fc7eb6c7

    SHA512

    8509cfb1019461e2da3c6856871b30a4f4a30e9e89c61edbab0db8b3cdaeb7636f5d663ab70fe4c49a4a0ba4a2522ece79861d200dac1f1d0fd25a699b144747

  • memory/560-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/560-1-0x0000000001490000-0x00000000014B1000-memory.dmp

    Filesize

    132KB

  • memory/560-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/560-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1496-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1496-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1496-17-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/1496-31-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB