83c23fc5b9c23e97b79c0e8a2fafd0fe61bcb8025b77bf1f56f60f8a5f90839c

Analysis

max time kernel
150s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 13:00

Target

yahooa/yahooc.class
Size

5KB
MD5

abb37111170a75f7995bbe722be1ef67
SHA1

32ba585a2034a1db2b7fc00244aff8e5071f010b
SHA256

792406f8e2afeeff7b84996ee1e394c2fc2f5faf887b48b440763decf27b4107
SHA512

dc7861e96f612bb02e7bda22ee58267ba52072bef943f7a31eec29adc229b889c40a6081874a09afaac62dd4b981719bdc49256d79940f76d6ae7a261dfc54f8
SSDEEP

96:4a3plWpSC2IfvgaffddMlJmnHkfS7Wxs9UMpe93nmJpkO:XaP28ffddMlg2tK4mJ/

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-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3412	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\yahooa\yahooc.class
1⤵
- Modifies registry class
PID:2128

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact