dc811cc216e3cf694ac24841ea7df9df90175608af5a413070f58f685ecea10a

Analysis

max time kernel
92s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 21:53

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General

Target

npvlc.dll
Size

300KB
MD5

3f9f8e0f93d6fa7b7552077a3df171de
SHA1

ef222eeee66972e16b8b3d7395a53893c6690d47
SHA256

d7c9c4f679fc691c20bdee09b6f6fe79bb4ae29af562e3bcc2a6f64f5af5a8ef
SHA512

ffe25b19cd19b02ea96bc4e096997a8d446f28006accd67c2b575d316827f8e5ea614568124ea1a2059f8140040b4a3a1577f015b227bd70c2fccb2fd9693e4c
SSDEEP

6144:TiNfZfqSRsBtfgi4VTP75l8p4BHbxc3UPS6qmraBCDorABD:TiNxfqSeB1gvlP752gbjqmraBg

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3828	1992	WerFault.exe	81

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 4752 wrote to memory of 1992	4752	rundll32.exe	81
PID 4752 wrote to memory of 1992	4752	rundll32.exe	81
PID 4752 wrote to memory of 1992	4752	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\npvlc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\npvlc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 652
    3⤵
    - Program crash
    PID:3828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1992 -ip 1992
1⤵
PID:4544

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

Replay Monitor

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Downloads

memory/1992-1-0x0000000075650000-0x0000000075672000-memory.dmp

Filesize
136KB

Download
memory/1992-0-0x0000000075680000-0x00000000756D1000-memory.dmp

Filesize
324KB

Download
memory/1992-2-0x0000000075410000-0x0000000075645000-memory.dmp

Filesize
2.2MB

Download