Analysis
- max time kernel
150s - max time network
80s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system - submitted
27/03/2023, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
1c711ca465.dll
Resource
win7-20230220-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
1c711ca465.dll
Resource
win10v2004-20230220-en
1 signatures
150 seconds
General
- Target 1c711ca465.dll
- Size 1.9MB
- Sample230327-mfe4yafa6x
- SHA256 1c711ca465dace4d2a8d0542e75410c417375c4ee484294fcd959e99651fccb8
- MD5 77e3dec014ebb323d0ea3a3a55845c03
- SHA1 65c0b00878211d9651624dba2a26289cb7af0888
- SHA512 c88b58c8c51a3b18f6db00d941f0de8563c41c3a4223355070544b44f5d2b2bf25537fc8c89abd9873b8980a2be833462cf963e03938eb83aed42ea1e858c109
- SSDEEP 49152:GDnp+vZaxa1ara1agzT78n+QuUPXA8ZGy3MuxqDQwQ0UbgOW4fjd0J4HInL4UKNb:GDnC0XA161Ke
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Path
-
C:\Program Files (x86)\instructions_read_me.txt
Ransom Note
- ATTENTION! Your network has been breached and all data was encrypted. Please contact us at: https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/ Login ID: b3755e21-718d-4a53-a71f-ce2cf26b0e02 *!* To access .onion websites download and install Tor Browser at: https://www.torproject.org/ (Tor Browser is not related to us) *!* To restore all your PCs and get your network working again, follow these instructions: - Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. It doesn't matter, who are trying to do this, either it will be your IT guys or a recovery agency. Please follow these simple rules to avoid data corruption: - Do not modify, rename or delete files. Any attempts to modify, decrypt or rename the files will lead to its fatal corruption. - Do not hire a recovery company. They can't decrypt without the key. They also don't care about your business. They believe that they are good negotiators, but it is not. They usually fail. So speak for yourself. Waiting you in a chat.
URLs
-
https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/
Signatures
- Drops file in Program Files directory 55 IoCs
description ioc Process File opened for modification C:\Program Files\DVD Maker\bod_r.TTF rundll32.exe File opened for modification C:\Program Files\ConfirmSwitch.png rundll32.exe File opened for modification C:\Program Files\7-Zip\7-zip.chm rundll32.exe File opened for modification C:\Program Files\7-Zip\7-zip32.dll rundll32.exe File opened for modification C:\Program Files\7-Zip\License.txt rundll32.exe File opened for modification C:\Program Files\JoinCheckpoint.raw rundll32.exe File created C:\Program Files\DVD Maker\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe rundll32.exe File opened for modification C:\Program Files\ApproveNew.au rundll32.exe File opened for modification C:\Program Files\ClearCompare.vdx rundll32.exe File opened for modification C:\Program Files\PublishCompare.vstx rundll32.exe File opened for modification C:\Program Files\SwitchSuspend.ttf rundll32.exe File opened for modification C:\Program Files\RegisterAdd.contact rundll32.exe File opened for modification C:\Program Files\SelectApprove.vsx rundll32.exe File opened for modification C:\Program Files\SelectRevoke.jpeg rundll32.exe File opened for modification C:\Program Files\SetSuspend.crw rundll32.exe File opened for modification C:\Program Files\7-Zip\History.txt rundll32.exe File opened for modification C:\Program Files\GroupInitialize.vsx rundll32.exe File opened for modification C:\Program Files\RestoreUninstall.js rundll32.exe File opened for modification C:\Program Files\SkipInstall.mp2 rundll32.exe File opened for modification C:\Program Files\UndoUnpublish.mpg rundll32.exe File opened for modification C:\Program Files\7-Zip\7zCon.sfx rundll32.exe File created C:\Program Files\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\ApproveConnect.gif rundll32.exe File opened for modification C:\Program Files\RestoreEdit.M2V rundll32.exe File opened for modification C:\Program Files\7-Zip\7z.exe rundll32.exe File opened for modification C:\Program Files\ConfirmOut.xltm rundll32.exe File opened for modification C:\Program Files\StepExit.vbe rundll32.exe File opened for modification C:\Program Files\DisableRepair.xps rundll32.exe File opened for modification C:\Program Files\RedoPing.zip rundll32.exe File opened for modification C:\Program Files\MoveRepair.jpe rundll32.exe File created C:\Program Files (x86)\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\7-Zip\descript.ion rundll32.exe File opened for modification C:\Program Files\InvokeBackup.ttf rundll32.exe File opened for modification C:\Program Files\SuspendEnter.dwfx rundll32.exe File opened for modification C:\Program Files\7-Zip\7z.sfx rundll32.exe File opened for modification C:\Program Files\7-Zip\7zG.exe rundll32.exe File opened for modification C:\Program Files\DVD Maker\directshowtap.ax rundll32.exe File created C:\Program Files\Google\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\SplitRename.tif rundll32.exe File opened for modification C:\Program Files\CopyTest.ini rundll32.exe File opened for modification C:\Program Files\RenameMerge.xlsx rundll32.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe rundll32.exe File opened for modification C:\Program Files\DVD Maker\audiodepthconverter.ax rundll32.exe File opened for modification C:\Program Files\CompressClear.rar rundll32.exe File opened for modification C:\Program Files\TestDeny.mhtml rundll32.exe File opened for modification C:\Program Files\7-Zip\readme.txt rundll32.exe File created C:\Program Files\7-Zip\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\GrantHide.clr rundll32.exe File created C:\Program Files\Common Files\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\UnprotectPush.emf rundll32.exe File opened for modification C:\Program Files\7-Zip\7-zip.dll rundll32.exe File opened for modification C:\Program Files\7-Zip\7z.dll rundll32.exe File created C:\Program Files\Internet Explorer\instructions_read_me.txt rundll32.exe File opened for modification C:\Program Files\PublishBlock.xltm rundll32.exe - Modifies registry class 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.7raiawg89\DefaultIcon rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.7raiawg89 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.7raiawg89\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico" rundll32.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files (x86)\instructions_read_me.txt
- Size 1KB
- SHA256 729562c350ab7780794b13fc00506bea1928f294eadf78145264d1c5b3180368
- MD5 0d52501b4dca47e2f0d4507a8814694c
- SHA1 41fde8d323ead7f5507f4c15dfb11133387196ef
- SHA512 c694c1a35a1d001cd01eab0b0df10dd21e1bb4b96a9a42c87f157623bb296b5eaecafdbb5f6d90e6bde594d076793276f53ad9eb27606af68e2df5e4d71c427e
- MD5 SHA1 SHA512