7d5a8384660b5dfbc3511ae32fbd44e18d59962088208e68820be3f2668a8547

Analysis

max time kernel
120s
max time network
139s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 01:35

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General

Target

updates/dll/Aspnet_perf.dll
Size

42KB
MD5

f22ad2623cad6567abc6c8e865898733
SHA1

e3e72a26ab83ab3adce5ea83aa9de11f3621e2c1
SHA256

62e9c0825100ff5ebd93137d3be2466100d73ab3a1cc9622adfe54ec143c0c75
SHA512

2ca1ffcd0625b1e28775264c54e72c77525a8df9f40b7c5fdf8c046adc3b3940c0d99556f5e64e55f663cff74e9ca670c05409d1aa297a17ed1053302be4e5e3
SSDEEP

384:4juERoF5GbCOd6cZHlNTbz1pjEc04AJPrKrRKjvSn1WiRrWQXws2QpBj0HRN7qAt:5Ee6P6sl7gctAlKVVnnbXZ2qWF8

Score

3^/10

discovery

Malware Config

Signatures

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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2188 wrote to memory of 2416	2188	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 2416	2188	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 2416	2188	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 2416	2188	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 2416	2188	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 2416	2188	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 2416	2188	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\updates\dll\Aspnet_perf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\updates\dll\Aspnet_perf.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

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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