20f8b45d691761fe77abc98d4cc177eeca5285508bede224998f238bf41a9f6d

Analysis

max time kernel
140s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 09:53

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General

Target

Puzzle_Blast.exe
Size

652KB
MD5

64d84a33eff9d46427ee88c9ca88cd0b
SHA1

48701c679c39fde49dee30cd06d0131b284c1709
SHA256

09ecf29d7534a459a547a9eb811d73a7220751fc3756062a214359794de23ec6
SHA512

780234324d36abe8d2873bd73f08005f463934b626979de18e2e9e03dc0ae4bcf91cd7adeec0a7dfb4b00faf21bfb4f5494d62e7aed5737ee1a09cc504e1f2b8
SSDEEP

12288:s4K5IvIl1GxVghGNNFtAcQeNaFnyiUTfV6W9gPF2Gn:KkIli1Tt7NayiUTfv9gd2Gn

Score

7^/10

discovery

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS 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\SystemBiosDate	Puzzle_Blast.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Puzzle_Blast.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	Puzzle_Blast.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4F7F0145-8FD7-9A68-17D7-ED02AB393692}	Puzzle_Blast.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4F7F0145-8FD7-9A68-17D7-ED02AB393692}\ = "PSFactoryBuffer"	Puzzle_Blast.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4F7F0145-8FD7-9A68-17D7-ED02AB393692}\InprocServer32	Puzzle_Blast.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4F7F0145-8FD7-9A68-17D7-ED02AB393692}\InprocServer32\ = "%systemroot%\\SysWow64\\comuid.dll"	Puzzle_Blast.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4F7F0145-8FD7-9A68-17D7-ED02AB393692}\InprocServer32\ThreadingModel = "Both"	Puzzle_Blast.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2324	Puzzle_Blast.exe
2324	Puzzle_Blast.exe

C:\Users\Admin\AppData\Local\Temp\Puzzle_Blast.exe
"C:\Users\Admin\AppData\Local\Temp\Puzzle_Blast.exe"
1⤵
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2324

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HTMBB9F.tmp

Filesize
5KB

MD5
b51e5cf0cf6ea92e317b190114f6873c

SHA1
823302fa2e9c9ea72af43d453633dc5013cd20af

SHA256
d8bcfdf7babc2a5c7f7943911c8584e80f7d9908f7b9718770aacb15085e9dda

SHA512
b3e186db01425dab4ebbec3ef04789fd6eb4eb8450cde4c39fb86cb5c872322636b99f0d4caf6b3267d8c2086453800be3ad28785725e2f0bfd9a5c2ae795d52

Download Submit
memory/2324-0-0x0000000000400000-0x000000000052A000-memory.dmp

Filesize
1.2MB

Download
memory/2324-2-0x0000000000560000-0x00000000005B6000-memory.dmp

Filesize
344KB

Download
memory/2324-7-0x0000000000560000-0x00000000005B6000-memory.dmp

Filesize
344KB

Download
memory/2324-9-0x0000000000560000-0x00000000005B6000-memory.dmp

Filesize
344KB

Download
memory/2324-13-0x0000000000560000-0x00000000005B6000-memory.dmp

Filesize
344KB

Download
memory/2324-15-0x0000000000400000-0x000000000052A000-memory.dmp

Filesize
1.2MB

Download