594fc6920eaa06364ff7ffeb87be15ec81882030749759a872a6b9f17da75670

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21/05/2024, 14:43

240521-r3mvhshd83 3

21/05/2024, 14:40

21/05/2024, 14:37

21/05/2024, 14:34

21/05/2024, 14:31

Analysis

max time kernel
30s
max time network
18s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21/05/2024, 14:37

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General

Target

Some Problems/Copy of clientlib(47).css
Size

794B
MD5

da8ba41fdbd4c664d757321aece27772
SHA1

c666c98c9d245c74e2dda1950c26c8cba106a24e
SHA256

d9da40bc0eea1d7bdcc6bfbecf1f942895193194af9712ff4535743b6bb6d800
SHA512

07fe2d6427c15365d1741dd8cc00f196c33c841a10a6af5280658f6464a9ec2720a9f677f10317ec3ef63e87222eea84dc8342299a7e9539086b208c9fb9d6bc

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 4672	4268	cmd.exe	83
PID 4268 wrote to memory of 4672	4268	cmd.exe	83

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of clientlib(47).css"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of clientlib(47).css
  2⤵
  PID:4672

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

Windows 7 deprecation

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