9cc9678578270690295e1e26ae50c1d3f6647d36650fe3ecfcd3c1db763d4eff

Analysis

max time kernel
149s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2025, 14:55

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General

Target

WindowsUpdateBlocker/Wub.exe
Size

791KB
MD5

82aff8883099cf75462057c4e47e88ac
SHA1

68e2939f59b3869e9bd3ecc4aca3947649631bf8
SHA256

aac1123f17f8569a36bf93876cea30e15103fd2379b401a79129a2a6e7285ac2
SHA512

212ac940a1f8bdd805813c279d471efc53b858bc35c5edad182dfde3c29c37854618a507a0a0839e5a383d1ba4fe317c0b3c8275d023c86ecfa36f221560b96d
SSDEEP

12288:ZaWzgMg7v3qnCiWErQohh0F4YCJ8lnyTQrv2HzAMI3u18:4aHMv6CWrj8nyTQrv2TAMI3ua

Score

10^/10

defense_evasion discovery

Malware Config

Signatures

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	Wub.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wub.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5544	Wub.exe

C:\Users\Admin\AppData\Local\Temp\WindowsUpdateBlocker\Wub.exe
"C:\Users\Admin\AppData\Local\Temp\WindowsUpdateBlocker\Wub.exe"
1⤵
- Modifies security service
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
PID:5544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\5p5o4z4l.tmp

Filesize
20KB

MD5
904120fc6fa85e69127e5d0280841bca

SHA1
3d50add894ed7eb2888a0209d39ef481718b9ce8

SHA256
8c9ad246e10ee64dfa5f1893f844ad6764dad6e2e2300413ea6562a3f234fdb6

SHA512
968c3bd35f5bd66301fd5118870d1d1de02342b15d1636f48985235b3bda8f799945aeb8770fbaf0675d628198ecc04bccc8d011e368bafe6729b1360a6ca190

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads