50f2fdb5c23c270151b2f55ebb4b6744e98808da4a4a72dba7c816af87b11afd

Analysis

max time kernel
146s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 09:39

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General

Target

free_guitar_lessons.exe
Size

244KB
MD5

02078d758693d320c129298bba24d706
SHA1

5a2578a6ffeffd8d806a1e5708600223b2cf3c0f
SHA256

fe755df13851e52f4de02095982ac63b3be8748bd64f5fe6b31e69df2b0a55d8
SHA512

817e22417c9405a9b3113349138483bfe341fcc7ccd3b00ff7022433d6ce93840ff12c899cffce3f09afdc844a8c9fded4c3848ee2ef99a30e440b323646da9e
SSDEEP

6144:BHKuYWO5gX1MNMp1QLNG/a3k5Bxd9pW04A/wOx+Z:Bg5+1Ms1Cki3+vpjl8Z

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2288-0-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral1/memory/2288-13-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral1/memory/2288-18-0x0000000000400000-0x00000000004A4000-memory.dmp	upx

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	free_guitar_lessons.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	free_guitar_lessons.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	free_guitar_lessons.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\free_guitar_lessons.eProtocol	free_guitar_lessons.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\free_guitar_lessons.eProtocol\ = "eProtocol"	free_guitar_lessons.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\free_guitar_lessons.eProtocol\Clsid\ = "{82184935-B894-4AB2-8590-603BA7D74B71}"	free_guitar_lessons.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82184935-B894-4AB2-8590-603BA7D74B71}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\free_guitar_lessons.exe"	free_guitar_lessons.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82184935-B894-4AB2-8590-603BA7D74B71}\ = "eProtocol"	free_guitar_lessons.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82184935-B894-4AB2-8590-603BA7D74B71}\LocalServer32	free_guitar_lessons.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\free_guitar_lessons.eProtocol\Clsid	free_guitar_lessons.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82184935-B894-4AB2-8590-603BA7D74B71}\ProgID	free_guitar_lessons.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82184935-B894-4AB2-8590-603BA7D74B71}\ProgID\ = "free_guitar_lessons.eProtocol"	free_guitar_lessons.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{82184935-B894-4AB2-8590-603BA7D74B71}	free_guitar_lessons.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2288	free_guitar_lessons.exe
2288	free_guitar_lessons.exe

C:\Users\Admin\AppData\Local\Temp\free_guitar_lessons.exe
"C:\Users\Admin\AppData\Local\Temp\free_guitar_lessons.exe"
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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/2288-0-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2288-1-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2288-13-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2288-18-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2288-19-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download