General

  • Target
    Windowkill.v4.0.6b.zip
  • Size 111.5MB
  • Sample260701-qv2s2ahv2x
  • SHA256 622e164f293c828d5e4ec182db46c2f8a663916d86048240bd6e868a51f39738
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Windowkill.v4.0.6b/STEAMUNLOCKED » Free Steam Games Pre-installed for PC.url
    • Size 52B
    • SHA256 677d2e85447eea64fa541b8e8a9e92b41e20456360bef8642f898e7eb1b2f0db
    • MD5 SHA1 SHA512 TLSH
    Score
    1/10
    • Target
      Windowkill.v4.0.6b/Windowkill.v4.0.6b/custom/skins/sad/bg.svg
    • Size 499B
    • SHA256 72e923b9704fa0c58f73400386161001eb82ed77bec9ab3c95deb96145031609
    • MD5 SHA1 SHA512 TLSH
    • Target
      Windowkill.v4.0.6b/Windowkill.v4.0.6b/custom/skins/sad/fg.svg
    • Size 233B
    • SHA256 ec1dc2bad8ba5963977a9cb4dfb17f60acc434dab32c37a94311c57915528037
    • MD5 SHA1 SHA512 TLSH
    • Loads dropped DLL

    • Target
      Windowkill.v4.0.6b/Windowkill.v4.0.6b/discord_game_sdk.dll
    • Size 3.3MB
    • SHA256 a6b6d7df00a58dc50248d91048578d0fe52182286b487ef89a961fd10467dbd1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      Windowkill.v4.0.6b/Windowkill.v4.0.6b/discord_game_sdk_binding.dll
    • Size 401KB
    • SHA256 93113022caba568464712c892815beae865f7caf71443486de9e1ff61d38c065
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Windowkill.v4.0.6b/Windowkill.v4.0.6b/godotsteam.x86_64.dll
    • Size 1.6MB
    • SHA256 0eff4b044b1c8033b6c87f038f3a4369f049f556c50c94c756553fa5486cd025
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Windowkill.v4.0.6b/Windowkill.v4.0.6b/steam_api64.dll
    • Size 294KB
    • SHA256 9d6d2972c1571a2a058d79a8376e26a33d33813f29d93c3ca6e35adaddcd56de
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      Windowkill.v4.0.6b/Windowkill.v4.0.6b/windowkill-opengl.bat
    • Size 48B
    • SHA256 85ceda9964a27ace110aaaa8f98acd07ece65aa2789c3e5b1dbbfba983fe2be7
    • MD5 SHA1 SHA512
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      Windowkill.v4.0.6b/Windowkill.v4.0.6b/windowkill-vulkan.exe
    • Size 102.3MB
    • SHA256 60c0548fd64111afab67b9342c16c3fd179859d9ddb5d4be82bac9c76031a217
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      Windowkill.v4.0.6b/_Redist/dotNetFx40_Full_setup.exe
    • Size 868KB
    • SHA256 fa1afff978325f8818ce3a559d67a58297d9154674de7fd8eb03656d93104425
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Target
      Windowkill.v4.0.6b/_Redist/dxwebsetup.exe
    • Size 281KB
    • SHA256 111aeddc6a6dbf64b28cb565aa12af9ee3cc0a56ce31e4da0068cf6b474c3288
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops file in System32 directory

    • Target
      Windowkill.v4.0.6b/_Redist/oalinst.exe
    • Size 790KB
    • SHA256 b8f39714d41e009f75efb183c37100f2cbabb71784bbd243be881ac5b42d86fd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops file in System32 directory

    • Target
      Windowkill.v4.0.6b/_Redist/vcredist_2015-2019_x64.exe
    • Size 14.3MB
    • SHA256 b6c82087a2c443db859fdbeaae7f46244d06c3f2a7f71c35e50358066253de52
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    4/10
    • Target
      Windowkill.v4.0.6b/_Redist/vcredist_2015-2019_x86.exe
    • Size 13.7MB
    • SHA256 ac96016f1511ae3eb5ec9de04551146fe351b7f97858dcd67163912e2302f5d6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      Windowkill.v4.0.6b/_Redist/vcredist_x64.exe
    • Size 5.5MB
    • SHA256 b06546ddc8ca1e3d532f3f2593e88a6f49e81b66a9c2051d58508cc97b6a2023
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Target
      Windowkill.v4.0.6b/_Redist/vcredist_x86.exe
    • Size 4.8MB
    • SHA256 8162b2d665ca52884507ede19549e99939ce4ea4a638c537fa653539819138c8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v16

Tasks

static1

Score
3/10

behavioral1

Score
1/10

behavioral2

Score
1/10

behavioral3

adwarediscoveryspyware
Score
3/10

behavioral4

adwarediscoveryspyware
Score
4/10

behavioral5

adwarediscoveryspyware
Score
3/10

behavioral6

adwarediscoveryspyware
Score
7/10

behavioral7

Score
1/10

behavioral8

adwarepersistenceransomwarespyware
Score
6/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

adwarepersistenceransomwarespyware
Score
8/10

behavioral17

Score
1/10

behavioral18

adwarepersistenceransomwarespyware
Score
8/10

behavioral19

discovery
Score
7/10

behavioral20

discovery
Score
7/10

behavioral21

discoverypersistence
Score
7/10

behavioral22

discoverypersistence
Score
7/10

behavioral23

discovery
Score
6/10

behavioral24

discovery
Score
6/10

behavioral25

discovery
Score
4/10

behavioral26

discovery
Score
4/10

behavioral27

discovery
Score
4/10

behavioral28

adwarediscoverypersistenceransomwarespyware
Score
6/10

behavioral29

discovery
Score
7/10

behavioral30

discovery
Score
7/10

behavioral31

discovery
Score
7/10

behavioral32

discovery
Score
7/10