Overview

overview

10

Static

static

3

e3dc5b2d20...bd.exe

windows7-x64

10

e3dc5b2d20...bd.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 10:21

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General

  • Target

    e3dc5b2d20052b4658fa35f928c10d831ee05dc9218a85826b366f480adfd8bd.exe

  • Size

    88KB

  • MD5

    0a4200838f49f7dded2cedf9b79c07e4

  • SHA1

    888ec3a613a70541f29179c0fd5cdf888b330461

  • SHA256

    e3dc5b2d20052b4658fa35f928c10d831ee05dc9218a85826b366f480adfd8bd

  • SHA512

    e1fd94f82cf623029cc1ed0435be97a427779cb8f16d6a183760518b6b0087980a39daacd76ee794a5e85cee95ccdc8b4cd2e3e16dc2577d15f57445bc4d0910

  • SSDEEP

    768:6lXIk+U+KiMeffZzCjsK2+/T/PmLRBNV3ZJfqHJvE/AZbydR:6JIk+tVR5K2KjPmLRBNJqHJNZmdR

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3dc5b2d20052b4658fa35f928c10d831ee05dc9218a85826b366f480adfd8bd.exe
    "C:\Users\Admin\AppData\Local\Temp\e3dc5b2d20052b4658fa35f928c10d831ee05dc9218a85826b366f480adfd8bd.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3788
    • C:\Users\Admin\kaioz.exe
      "C:\Users\Admin\kaioz.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 1472
      2⤵
      • Program crash
      PID:2180
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3788 -ip 3788
    1⤵
      PID:960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\kaioz.exe
      Filesize

      88KB

      MD5

      9ab7891d6f200b7799914128215a04f8

      SHA1

      80368ced1418fc8fb5bd73b61a387d50e41b378a

      SHA256

      bca6bd29fbf04c1929b6632ee8c3e17fa90067c13017a5e4f2860914a2d2290c

      SHA512

      8a221fe00d1eb67310d82cbde6d7ecf7ebc7b126914fdbe8a0e2f7fdeb0748d9b66266cf7b11e77f32ea73d07836bf65a48b5844c6f38b957eacabb3a73d95bf

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