5f8bd8ae8b34ea918280f75581949480d33f056898efa06d6f5f741d7d08407a

Analysis

max time kernel
104s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 05:45

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General

Target

$R1/npuuseep.dll
Size

298KB
MD5

ab4f51ee7ae1581e5be9be037b26def0
SHA1

53a19347461f7db52ab4a5430cf740a26a976f76
SHA256

aa6405527be03180cb19f6e9d986359d2cc2b5a43c9ae69a4b37149b6822afca
SHA512

dd532d556e348fd4a1e3c2d740ede7b5e56feaea07e7bbf42ae16a1887e9695f916a3e4676e7a7ebe762d2c02e3a64de3e9df72edc2de725c0f0ad38fd7cfd76
SSDEEP

6144:BqYmM67Qzxgdv01sPFl7vmQGA/QVpLhM/oP70gwbDaqz4D:OQzx+f/v9lQVpLhZ7lwn/z

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2960	4600	WerFault.exe	84

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	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 4600	3200	rundll32.exe	84
PID 3200 wrote to memory of 4600	3200	rundll32.exe	84
PID 3200 wrote to memory of 4600	3200	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$R1\npuuseep.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$R1\npuuseep.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 648
    3⤵
    - Program crash
    PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4600 -ip 4600
1⤵
PID:3312

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

Windows 7 deprecation

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