Analysis
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max time kernel
133s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 19:36
Static task
static1
Behavioral task
behavioral1
Sample
Reader.lnk
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Reader.lnk
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
red.exe
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
red.exe
Resource
win10v2004-20240802-en
General
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Target
red.exe
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Size
478KB
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MD5
71efe7a21da183c407682261612afc0f
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SHA1
0f1aea2cf0c9f2de55d2b920618a5948c5e5e119
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SHA256
45a236e7aa80515aafb6c656c758faad6e77fb435b35bfa407aef3918212078d
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SHA512
3cff597dbd7f0d5ab45b04e3c3731e38626b7b082a0ede7ab9a7826921848edb3c033f640da2cb13916febf84164f7415ca9ac50c3d927f04d9b61fcadb7801c
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SSDEEP
6144:W0wmbI4/Z4SHvrxw6zaIST1w9wEPDasWxxsBhS37b8o6XCFyPwCMa6qnXxq/y:7zv66zaISTW9asWxxAh4IlXC4PUqBq/
Malware Config
Extracted
\Device\HarddiskVolume1\HOW TO BACK FILES.txt
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion/mallox/privateSignin
http://wtyafjyhwqrgo4a45wdvvwhen3cx4euie73qvlhkhvlrexljoyuklaad.onion
Signatures
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TargetCompany,Mallox
TargetCompany (aka Mallox) is a ransomware which encrypts files using a combination of ChaCha20, AES-128, and Curve25519, first seen in June 2021.
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Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
pid Process 4828 bcdedit.exe 3728 bcdedit.exe -
Renames multiple (6515) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation red.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\T: red.exe File opened (read-only) \??\W: red.exe File opened (read-only) \??\E: red.exe File opened (read-only) \??\A: red.exe File opened (read-only) \??\H: red.exe File opened (read-only) \??\J: red.exe File opened (read-only) \??\L: red.exe File opened (read-only) \??\S: red.exe File opened (read-only) \??\Z: red.exe File opened (read-only) \??\D: red.exe File opened (read-only) \??\U: red.exe File opened (read-only) \??\V: red.exe File opened (read-only) \??\G: red.exe File opened (read-only) \??\M: red.exe File opened (read-only) \??\N: red.exe File opened (read-only) \??\O: red.exe File opened (read-only) \??\R: red.exe File opened (read-only) \??\Y: red.exe File opened (read-only) \??\B: red.exe File opened (read-only) \??\I: red.exe File opened (read-only) \??\K: red.exe File opened (read-only) \??\P: red.exe File opened (read-only) \??\Q: red.exe File opened (read-only) \??\X: red.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 api.ipify.org -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\pl-pl\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial Black-Arial.xml red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-36_contrast-white.png red.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\files\dev\nls\sv-se\HOW TO BACK FILES.txt red.exe File created C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1906.1972.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Car\RTL\contrast-white\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\wa\LC_MESSAGES\vlc.mo red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\Weather_TileMediumSquare.scale-100.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Assets\AppTiles\contrast-black\Weather_TileSmallSquare.scale-200.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\Programmer.targetsize-24_contrast-black.png red.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\pt-br\HOW TO BACK FILES.txt red.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\sl-sl\HOW TO BACK FILES.txt red.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\app\dev\nls\eu-es\ui-strings.js red.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ppd.xrm-ms red.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms red.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OneNote\SendToOneNote.gpd red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_neutral_split.scale-125_8wekyb3d8bbwe\resources.pri red.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\email\adobe_logo.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\HoloAssets\HoloLens_HandTracking.png red.exe File created C:\Program Files\VideoLAN\VLC\plugins\access\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\ca-es\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\es\LC_MESSAGES\vlc.mo red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Assets\PhotosAppList.contrast-white_targetsize-64.png red.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Mac\ROMANIAN.TXT red.exe File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\ResiliencyLinks\Locales\el.pak.DATA red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_neutral_split.scale-200_8wekyb3d8bbwe\AppxManifest.xml red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketchAppService.winmd red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\Assets\contrast-white\MedTile.scale-125_contrast-white.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks_VP9.winmd red.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\contrast-white\Doughboy.scale-200.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Assets\Standard.targetsize-24_contrast-black.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\WindowsIcons\WindowsCameraAppList.contrast-white_targetsize-16.png red.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\hr-hr\ui-strings.js red.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\mr\LC_MESSAGES\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ppd.xrm-ms red.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsStore_11910.1002.5.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\AppTiles\contrast-white\StoreAppList.scale-100.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\Assets\AppPackageAppList.targetsize-40.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Work\contrast-white\WideTile.scale-200.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Assets\Square150x150Logo.scale-200.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\xaml\onenote\ShareErrorMessagePage.xaml red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\Assets\EnsoUI\dashboard_slomo_ON.png red.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\en-gb\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif red.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Subtle Solids.eftx red.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-180.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Collections\contrast-black\MedTile.scale-200_contrast-black.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Assets\SecondaryTiles\Directions\Car\RTL\contrast-black\LargeTile.scale-200.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\Microsoft.Xbox.SmartGlass.Controls\TextEntry.xaml red.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\hr-hr\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files\Java\jdk-1.8\lib\orb.idl red.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-phn.xrm-ms red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-60_altform-unplated_contrast-black.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\images\FileExcel32x32.png red.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\it-it\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsFeedbackHub_1.1907.3152.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\InsiderHubMedTile.scale-125_contrast-white.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Assets\AlarmsSmallTile.contrast-white_scale-200.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Assets\contrast-white\AppList.targetsize-256_altform-unplated_contrast-white_devicefamily-colorfulunplated.png red.exe File created C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\fr-ma\HOW TO BACK FILES.txt red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\Assets\GetStartedAppList.targetsize-80_contrast-white.png red.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\font\CameraSymbols.ttf red.exe File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\images\HxA-Exchange.scale-300.png red.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1484 red.exe 1484 red.exe 1484 red.exe 1484 red.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeDebugPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe Token: SeTakeOwnershipPrivilege 1484 red.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1484 wrote to memory of 436 1484 red.exe 86 PID 1484 wrote to memory of 436 1484 red.exe 86 PID 1484 wrote to memory of 4280 1484 red.exe 88 PID 1484 wrote to memory of 4280 1484 red.exe 88 PID 436 wrote to memory of 4828 436 cmd.exe 92 PID 436 wrote to memory of 4828 436 cmd.exe 92 PID 4280 wrote to memory of 3728 4280 cmd.exe 93 PID 4280 wrote to memory of 3728 4280 cmd.exe 93 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\shutdownwithoutlogon = "0" red.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\red.exe"C:\Users\Admin\AppData\Local\Temp\red.exe"1⤵
- Checks computer location settings
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1484 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c bcdedit /set {current} bootstatuspolicy ignoreallfailures2⤵
- Suspicious use of WriteProcessMemory
PID:436 -
C:\Windows\system32\bcdedit.exebcdedit /set {current} bootstatuspolicy ignoreallfailures3⤵
- Modifies boot configuration data using bcdedit
PID:4828
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c bcdedit /set {current} recoveryenabled no2⤵
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Windows\system32\bcdedit.exebcdedit /set {current} recoveryenabled no3⤵
- Modifies boot configuration data using bcdedit
PID:3728
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
13B
MD5907326301a53876360553d631f2775c4
SHA1e900c12c18a7295611f3e2234bc68e8dc0501e06
SHA256d5543b3a5715587c9c0993a7f56f3e1ee445af837f62c38f2f3457a2ea8d00c8
SHA512435c1fd96b79b70c370d6f769d44eca3e682404189ff42a6b5718c21bf9dc8358d72c115d68dc25014b8cb9c709af0e64de012103fce687cf4a340fa8f3ea2aa
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Filesize
910B
MD594c198e86a2e46b5d13ac6de81f788be
SHA19cbb90065c0a7379a2db302f109378eb63f658cf
SHA256f77836ba8ac7e6bea503942cee68d43591af2d8a546679984c762cce452bb582
SHA512ed42a72381daa48295d112c359f9e54273a0ab907d6985c166c501e96892113027f53d05ed86654ad0b0695de8b75f38660d9e9f2c1d1d9ec9115b48ca3bc88e