ce9f6a5ef001e835f9e572de81693e2e81c877d1e7ae8424202b69c5742705ee

Analysis

max time kernel
413s
max time network
1145s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 04:11

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General

Target

Tundra/scripts/Walkspeed.lua
Size

54B
MD5

c91b1596f3bc9b33c7a5e2a1aae8a37d
SHA1

6598e80b5fa64d16448e3e932fab0ce7b2e3a43e
SHA256

0ca79e6c16a5b598de0b89da948c297046f2a117f90097644796cbf5ba3c4137
SHA512

e881f367d927938e048bb0a6ccaf26af7eadc30f9188bad47707c4337404f793ebf4e1df79b8fd6c909ebd567217d3573ed22d9f5f62b4d2e88c7bb1755216a0

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3844919115-497234255-166257750-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3844919115-497234255-166257750-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4940	OpenWith.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Tundra\scripts\Walkspeed.lua
1⤵
- Modifies registry class
PID:1428

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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