83c23fc5b9c23e97b79c0e8a2fafd0fe61bcb8025b77bf1f56f60f8a5f90839c

Analysis

max time kernel
91s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 13:00

Target

yahooa/yahooe.class
Size

9KB
MD5

5e063db937e792f88572401b498fed13
SHA1

9da038ff729691497da53167751a639620343b30
SHA256

6d1f6b9da696f257f8d86133727f08ae7b396a3014bb005be3b88a523e59fcb9
SHA512

c012249d78048eee5cd6e78a0c993ee415116cda79f6d9a699c7804055537848bbc382fd32dac904e65d4d91f7c860ccaacef4c525719897e3df932a1cab1368
SSDEEP

192:06EeO6z94wMegPWPe7sxvuXKwf32uEuHVaf+0o/TrcH6Ey2NXX:7P8wgFa432udHVaG04gHq25X

Score

3^/10

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4500	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\yahooa\yahooe.class
1⤵
- Modifies registry class
PID:4880

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact