d530c918de7ee3c8f3eb9cd350f900f923d95f03964fbed19576d48527f24200

Analysis

max time kernel
150s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-02-2023 09:59

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General

Target

WindowUpdateBlocker/Wub_x64.exe
Size

924KB
MD5

418dff42eea894a227f78935fbd8b059
SHA1

24c587c6f765bbbbe70f0d4c2f3a8654e8667a25
SHA256

bf79bb5da35061353485c7369cc5ecc9cecc79de7543bd71ce73f7192d0f6ec3
SHA512

ce7f3281dae81006edd545442d32cfe4ffa706964a0a8fc6e8c768fa1ca8a6b92a05a052b57849a73a5d6ecc70c1e4be3a858ddaae21f59a351ee226e248468d
SSDEEP

24576:q2DW/xbgX2YIbBQsu3/PNLKQ4HyAvsT7GUcUHJb:q2EUXgQsW/PNWQojUcUpb

Score

10^/10

evasion

Malware Config

Signatures

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	Wub_x64.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: GetForegroundWindowSpam 1 IoCs

pid	Process
968	Wub_x64.exe

C:\Users\Admin\AppData\Local\Temp\WindowUpdateBlocker\Wub_x64.exe
"C:\Users\Admin\AppData\Local\Temp\WindowUpdateBlocker\Wub_x64.exe"
1⤵
- Modifies security service
- Suspicious behavior: GetForegroundWindowSpam
PID:968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/968-54-0x000007FEFBD21000-0x000007FEFBD23000-memory.dmp

Filesize
8KB

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