83c23fc5b9c23e97b79c0e8a2fafd0fe61bcb8025b77bf1f56f60f8a5f90839c

Analysis

max time kernel
70s
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/yahooa.class
Size

16KB
MD5

addb20399a3f0c713526914b353a03c2
SHA1

f2441b8c68cd34e6c948bdb15c3f5953126b4f0f
SHA256

857f205402df34073a4800d0d4c3659e010c15713d8b0ee9d0781bea03c67bba
SHA512

b5e0ffdcbc713eb7365b4948e5994fc9ceb3a2442ec892b9b0e917e3041c6c75317bdc23b82395b48aa0a4a018d3193f33e960fb7a4f9f64a7fd97fa7c4e949b
SSDEEP

384:z65F+ByoWz84Wd/yqgpviuolgH26kALcJOI85iDtoA+41Or:8Xkyqg5iu/WFOQ85w+X

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
3796	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\yahooa\yahooa.class
1⤵
- Modifies registry class
PID:1972

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact