Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
18/03/2025, 21:32
Static task
static1
Behavioral task
behavioral1
Sample
2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe
Resource
win10v2004-20250314-en
General
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Target
2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe
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Size
719KB
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MD5
3e063dc0de937df5841cb9c2ff3e4651
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SHA1
e683bfaeb1a695ff9ef1759cf1944fa3bb3b6948
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SHA256
99959c5141f62d4fbb60efdc05260b6e956651963d29c36845f435815062fd98
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SHA512
9a0d0c04b95bbf8c73beb398cc72fa8e9dc87e3149e8c2f43b05fca4ef8e4410c1d65ed11e50b01d24719ce6a8996448944ab56601ef65116614a17f2e10d23f
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SSDEEP
12288:aKRHZl7Lup6ySk3QYktDNYlg2317DJtY7wdD30qoifK/Ke5ABa4QP9+NrMke03f9:aKslHY7wdD30qnfsKxB+ZKX55WsSuFrl
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\README.txt
http://vanhelcbxqt4tqie6fuevfng2bsdtxgc7xslo2yo7nitaacdfrlpxnqd.onion
http://vanhelqmjstkvlhrjwzgjzpq422iku6wlggiz5y5r3rmfdeiaj3ljaid.onion
http://vanhelsokskrlaacilyfmtuqqa5haikubsjaokw47f3pt3uoivh6cgad.onion
http://vanheltarnbfjhuvggbncniap56dscnzz5yf6yjmxqivqmb5r2gmllad.onion
http://vanhelvuuo4k3xsiq626zkqvp6kobc2abry5wowxqysibmqs5yjh4uqd.onion
http://vanhelwmbf2bwzw7gmseg36qqm4ekc5uuhqbsew4eihzcahyq7sukzad.onion
http://vanhelxjo52qr2ixcmtjayqqrcodkuh36n7uq7q7xj23ggotyr3y72yd.onion
Signatures
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Renames multiple (8362) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\css\settings.css 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Common Files\System\ado\it-IT\msader15.dll.mui 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\ARCTIC\ARCTIC.ELM 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\RMNSQUE\RMNSQUE.INF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\IPOLK.DLL 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_SelectionSubpicture.png 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.simpleconfigurator.manipulator.nl_ja_4.4.0.v20140623020002.jar 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-openide-compat.jar 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files (x86)\Common Files\microsoft shared\ink\es-ES\rtscom.dll.mui 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\EVRGREEN\EVRGREEN.INF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BD19828_.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SL00345_.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\README.txt 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationLeft_SelectionSubpicture.png 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.artifact.repository_1.1.300.v20131211-1531.jar 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-attach_zh_CN.jar 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Windows Journal\en-US\README.txt 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\README.txt 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\images\next_hov.png 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\CUP.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PH02746U.BMP 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\http\requests\status.json 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\TN00330_.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0234131.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0300840.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD21365_.GIF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\README.txt 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\PDIR44B.GIF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\QuickStyles\Formal.dotx 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Tbilisi 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0185790.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BORDERS\MSART12.BDR 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\CONVERT\OL.SAM 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\CommonData\AlertImage_ContactLow.jpg 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\TWCUTCHR.DLL 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files (x86)\Windows Sidebar\en-US\Sidebar.exe.mui 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\15.png 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\jvm.lib 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\Modules\org-netbeans-modules-spi-actions.xml 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\WB01745_.GIF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\BORDERS\MSART13.BDR 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolBMPs\LoginDialogBackground.jpg 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\PublicFunctions.js 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Form.zip 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Common Files\DESIGNER\MSADDNDR.DLL 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\AUTOSHAP\BD18227_.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD14594_.GIF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\bg_SlateBlue.gif 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\InfoPathOM\InfoPathOMFormServices\InfoPathOMFormServicesV12\Microsoft.Office.InfoPath.xml 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\ar-SA\tipresx.dll.mui 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\nl-NL\tipresx.dll.mui 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Windows Journal\fr-FR\JNTFiltr.dll.mui 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Windows Journal\Templates\README.txt 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\bl.gif 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0285792.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SL00452_.WMF 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PAGESIZE\PGMN082.XML 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msadcfr.dll.mui 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\America\Creston 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Windows Media Player\en-US\wmpnssui.dll.mui 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\images\dialdot_lrg.png 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\tile_drop_shadow.png 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_divider_right.png 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe File created C:\Program Files\Common Files\System\msadc\it-IT\README.txt 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-18_3e063dc0de937df5841cb9c2ff3e4651_avoslocker_cobalt-strike_luca-stealer.exe"1⤵
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2204
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5fdb3ebd9bc1237354dec30a2de9a78ce
SHA1255ec3c63ee80545d31d302ea348024c522863f5
SHA256794b3bf63d9ced141ba41a710697230da41b7e75c341d549a3b3359955b7fe6f
SHA512ae9600b98a0b1450dc5c0d9a94281104f04770bc758d40270b7a7b4e5b7f5406d36c290676ec59b0d9c43b2d99ab876c8a4fe302e746aa15bf2dd14ade1f6fd7