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
20s
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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Report Analysis Logs

General

Target

Some Problems/Copy of clientlib(45).css
Size

1KB
MD5

faf167f6d04900ccd13d85b6e506b91b
SHA1

68c9ef712dc2eeeb96821ee0c89c1d49cd54a767
SHA256

39b6fbdb41e3e2618f00fb9e4f1b4492a483f82a3a3456537c8f11347407c155
SHA512

475863c37808aba8b7f497dc7c3f7713531611a73b073f2d41a8a55462f364ad27f55bb1b6a71bfdd424da711481c0c313360f485b112aa6cd7ed9ea757884be

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-1-5-21-2539840389-1261165778-1087677076-1000\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-1-5-21-2539840389-1261165778-1087677076-1000_Classes\Local Settings	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 3124	4920	cmd.exe	82
PID 4920 wrote to memory of 3124	4920	cmd.exe	82

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of clientlib(45).css"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of clientlib(45).css
  2⤵
  PID:3124

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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