31dcf3ead048f0a0ae0e23fe431018236fe79b5e596d1ff52b9cc5c63d5ea87a

Analysis

max time kernel
80s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 10:31

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General

Target

$PLUGINSDIR/nsTools.dll
Size

262KB
MD5

69fcb9ae215b1397ae1f9751da7016d0
SHA1

da3816591f15fcdae48910fb632ee5d2f8c09d4d
SHA256

ba5b2e57997aae2ce636a76e8ffc536498bf3882d61648f30c169cc17fd1f342
SHA512

f9c6aa7b420b1e18ab7e7351f4d228e5b2fd047fc70e170b037efda0bca4b5ff146f6457f477aeaecf829e42d3c730530483c240e0b1de98aef217c2bcc56689
SSDEEP

3072:9FB2a5XgeSo6j3Yme+xJAqld5D2dyCFLJiHtiEgI3Y3b4nHNVAl7Uw7xN51I2Z:wa9gex67BxuMDD2dyCFhwY306lT7HI2

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2012 1668 WerFault.exe rundll32.exe
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

pid	pid_target	process	target process
2012	1668	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3052 wrote to memory of 1668	3052	rundll32.exe	rundll32.exe
PID 3052 wrote to memory of 1668	3052	rundll32.exe	rundll32.exe
PID 3052 wrote to memory of 1668	3052	rundll32.exe	rundll32.exe
PID 3052 wrote to memory of 1668	3052	rundll32.exe	rundll32.exe
PID 3052 wrote to memory of 1668	3052	rundll32.exe	rundll32.exe
PID 3052 wrote to memory of 1668	3052	rundll32.exe	rundll32.exe
PID 3052 wrote to memory of 1668	3052	rundll32.exe	rundll32.exe
PID 1668 wrote to memory of 2012	1668	rundll32.exe	WerFault.exe
PID 1668 wrote to memory of 2012	1668	rundll32.exe	WerFault.exe
PID 1668 wrote to memory of 2012	1668	rundll32.exe	WerFault.exe
PID 1668 wrote to memory of 2012	1668	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsTools.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsTools.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 228
    3⤵
    - Program crash
    PID:2012

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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