Analysis
- max time kernel
150s - max time network
104s - platform
windows7_x64 - resource
win7v20201028 - submitted
26/02/2021, 11:28
Static task
static1
Behavioral task
behavioral1
Sample
SPREADTHECORRUPTION.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
SPREADTHECORRUPTION.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target SPREADTHECORRUPTION.exe
- Size 425KB
- Sample210226-p6webfglhn
- SHA256 5e7f8b2a39176df856d2fe25a5bfcf0915cc72aa114efe92797b674434dc3d47
- MD5 241c8c8c809fe670f1f6ef0f7c935815
- SHA1 63928026939b367ea1677ba3ecc17acb8b1553ad
- SHA512 5c86649a3c085530ed0c455c06adeb16f9ad107d7a25f92009694202dee0fa1867fdd29b341d027e265aec815c925a5cb05a84781d63ee781e33ff69bbe4dbf8
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Disables Task Manager via registry modification
- Modifies extensions of user files 13 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File created C:\Users\Admin\Pictures\HideEdit.tif.jcrypt SPREADTHECORRUPTION.exe File created C:\Users\Admin\Pictures\RepairStep.crw.jcrypt SPREADTHECORRUPTION.exe File created C:\Users\Admin\Pictures\SearchInitialize.crw.jcrypt SPREADTHECORRUPTION.exe File opened for modification C:\Users\Admin\Pictures\SendRedo.tiff SPREADTHECORRUPTION.exe File created C:\Users\Admin\Pictures\SetSearch.tif.jcrypt SPREADTHECORRUPTION.exe File created C:\Users\Admin\Pictures\StepPush.tiff.jcrypt SPREADTHECORRUPTION.exe File created C:\Users\Admin\Pictures\UnblockWrite.crw.jcrypt SPREADTHECORRUPTION.exe File created C:\Users\Admin\Pictures\DismountDebug.raw.jcrypt SPREADTHECORRUPTION.exe File created C:\Users\Admin\Pictures\PublishWrite.tif.jcrypt SPREADTHECORRUPTION.exe File created C:\Users\Admin\Pictures\SendRedo.tiff.jcrypt SPREADTHECORRUPTION.exe File opened for modification C:\Users\Admin\Pictures\StepPush.tiff SPREADTHECORRUPTION.exe File created C:\Users\Admin\Pictures\UnpublishUnregister.tiff.jcrypt SPREADTHECORRUPTION.exe File opened for modification C:\Users\Admin\Pictures\UnpublishUnregister.tiff SPREADTHECORRUPTION.exe - Drops desktop.ini file(s) 3 IoCs
description ioc Process File opened for modification C:\Users\Admin\Desktop\desktop.ini SPREADTHECORRUPTION.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini SPREADTHECORRUPTION.exe File opened for modification C:\Users\Admin\Documents\desktop.ini SPREADTHECORRUPTION.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\Desktop\Wallpaper SPREADTHECORRUPTION.exe - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\System32\CORRUPT2.exe SPREADTHECORRUPTION.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1152 SPREADTHECORRUPTION.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1152 SPREADTHECORRUPTION.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\SPREADTHECORRUPTION.exe"C:\Users\Admin\AppData\Local\Temp\SPREADTHECORRUPTION.exe"1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1152