a2768bd2301f387a40cd9cbfea05af2f5a68791dce758e5ba9db29ff29e74f57

General

Target
CacheTask.exe
Size 10.0MB
Sample220108-gd2x2adbhp
SHA256 a2768bd2301f387a40cd9cbfea05af2f5a68791dce758e5ba9db29ff29e74f57
MD5 c004d38310f828f384f4360591b2c090
SHA1 65c38148bbba7114556aab0d1aeb05d419fa590f
SHA512 fdac8e831957d34095d034e3a9cf62f8e92c1bee781a87babb1eb30e046cb7646f717fe87311beeffccaba614a28d9b1099b6fcee2038faa17c087ade2d1f87b
MD5 SHA1 SHA512

Score

10^/10

Path

Ransom Note

All of your files have been encrypted. Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help. What can I do to get my files back? You can buy our special decryption software,this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is 0.5 BTC. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country,you are best advised to do a quick google search yourself to find how to buy Bitcoin? Many of our customers have reported these sites to be fast and reliable : Coinmama - https ://www.coinmama.com Bitpanda - https ://www.bitpanda.com Contacts - [email protected] BTC Address: bc1qnwdt2068q2asdxa9etz4epu44pf4z98m7e28l2

Emails

URLs

Executes dropped EXE 1 IoCs

pid	Process
1608	cobra.exe

Modifies extensions of user files 7 IoCs

Ransomware generally changes the extension on encrypted files.

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\ConvertFromUse.png.locked	cobra.exe
File opened for modification	C:\Users\Admin\Pictures\ExpandConvertTo.png.locked	cobra.exe
File opened for modification	C:\Users\Admin\Pictures\NewSuspend.tif.locked	cobra.exe
File opened for modification	C:\Users\Admin\Pictures\ResumeBackup.tif.locked	cobra.exe
File opened for modification	C:\Users\Admin\Pictures\SyncRestore.tif.locked	cobra.exe
File opened for modification	C:\Users\Admin\Pictures\CheckpointPush.raw.locked	cobra.exe
File opened for modification	C:\Users\Admin\Pictures\ConnectInvoke.tiff.locked	cobra.exe

Loads dropped DLL 6 IoCs

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

Defacement

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Public\\Documents\\desktop.kew"	cobra.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1608	cobra.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1548	CacheTask.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1548	CacheTask.exe
1548	CacheTask.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 1608	1548	CacheTask.exe	27
PID 1548 wrote to memory of 1608	1548	CacheTask.exe	27
PID 1548 wrote to memory of 1608	1548	CacheTask.exe	27
PID 1548 wrote to memory of 1608	1548	CacheTask.exe	27

C:\Windows\system32\verclsid.exe
"C:\Windows\system32\verclsid.exe" /S /C {0B2C9183-C9FA-4C53-AE21-C900B0C39965} /I {0C733A8A-2A1C-11CE-ADE5-00AA0044773D} /X 0x401
1⤵
PID:1220