3dc9601f548853c7f1d51b9a7a620a9364c74d24f13b538a20289f2e0972de05

Analysis

max time kernel
140s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2023 07:32

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General

Target

BK0302.exe
Size

616KB
MD5

35250fe23a440212f1ff8a63e42849b2
SHA1

7b2a3d336f3eb60f63d2eeeddd9990e50004a8e8
SHA256

3dc9601f548853c7f1d51b9a7a620a9364c74d24f13b538a20289f2e0972de05
SHA512

eeed7f4178659a6beb219d14e8bb7460167e2ff4b79b0f63aad2534ed771ff3ea8542c29c8a2128c92a1037f0f7af7ef7b9ca34a463a5cbf1dd70b59b48793a5
SSDEEP

12288:iqwA/1gBHM5YFkTroew3i+agisfnhta+UMl2p3o5Mh2EyrhmdcHF0hLZ1hWPopvv:XgBVmaMh9yrhmi0hV1haopvhJKhuB

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{6EEE934F-B03F-45AB-A1EC-B913400B483A}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4548	BK0302.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2988

C:\Users\Admin\AppData\Local\Temp\BK0302.exe
"C:\Users\Admin\AppData\Local\Temp\BK0302.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:4548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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