aa8ff4d4c4505f9245ae995be2fee8f6a78b1167126e613490e1c22549bdf142

Analysis

max time kernel
1468s
max time network
1497s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
25-07-2024 14:30

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General

Target

$PLUGINSDIR/downloader_nsis_plugin.dll
Size

1.2MB
MD5

14930a06cbfb26d5ffffd354fa12d5f8
SHA1

1de289bab03eaad965e419d657c3531a3738c558
SHA256

3ef7a13886328dafba1c49ec096da122e63839ac6965bf4f3d4dcce3a35ccc6d
SHA512

385268602f050c060795312c9cb86e979030a21b8cecc20303b346bbc0800a468a84a291224592d9b0e43458e579660b8062f6b9cba3b2e79aab5015d1dcc67b
SSDEEP

24576:eDe+j+n40zyob+w+LsoZttOWR7vDzAOdYKT9s6rNnb3Khz:Eei+n7zy2ULsGjOWR7vDzhdYKThNnzKN

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4500 1244 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
4500	1244	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 3904 wrote to memory of 1244	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1244	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1244	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\downloader_nsis_plugin.dll,#1
2⤵
- System Location Discovery: System Language Discovery
PID:1244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 816
3⤵
- Program crash
PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1244 -ip 1244
1⤵
PID:5100

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads