36417b50b830fd546b1c674477404bd5a952b3387b25b13437f01bd898212197

Analysis

max time kernel
96s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 06:42

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General

Target

$PLUGINSDIR/nsUnzip.dll
Size

146KB
MD5

4f53c88fdeb35a868f8aacc745a0a092
SHA1

698e8bc6ec6c78bce7392a52ff4958bbc2099eb2
SHA256

45de189f4e7bc73149cf6a6fc672eb053d561c514a82b4751e64c96125c7f693
SHA512

c9bb539844a719ff8c65822c3c27b8edec46b510055fc2c6d0014219f414df11e77d44fcf44826d520e1d1f730afc85381d4279f9a15320e277bf5804984aa5b
SSDEEP

3072:WbopEqCiDI9YRvpCVd7VN6BAmcxawmtvvhNdzdc/eMk54iyWH4Ptb1:Wk3FDZRvpKZkzhNdzd2eMk54v1

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1136 2140 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
1136	2140	WerFault.exe	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3764 wrote to memory of 2140	3764	rundll32.exe	rundll32.exe
PID 3764 wrote to memory of 2140	3764	rundll32.exe	rundll32.exe
PID 3764 wrote to memory of 2140	3764	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsUnzip.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3764

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsUnzip.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:2140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 612
3⤵
- Program crash
PID:1136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2140 -ip 2140
1⤵
PID:4788

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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