e1f619f440e6fa957d563ab4ed0e38d95c7b29b46b5e93ffb4075cdced027443

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2025, 02:40

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General

Target

$PLUGINSDIR/NSISdl.dll
Size

14KB
MD5

997ae296af5b7ca9aaa52f6844075439
SHA1

9814f0b09219ac2eed875d842b9362c3b32bec6f
SHA256

1d74275fb0ddcb7c01a92c4ea5c7ef137cdfa0b48ae2b293f0ea178b355cbaa8
SHA512

a81ee17129278a185e91f6615da2d9e47940580fcaac3806ace17a0c0e48995f8e85de6deedcec502782141acd381fb7dd1c72a93fcd40112afadc3741572349
SSDEEP

192:u4lsN55M8r67wmsvJI5a299sfoG8I+WhPB3RY+h/G3DNl/qYcVp/126gszA:uysdM80dCI5a2LsQ5IlPNRY00AlACU

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4120	3344	WerFault.exe	82

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 3900 wrote to memory of 3344	3900	rundll32.exe	82
PID 3900 wrote to memory of 3344	3900	rundll32.exe	82
PID 3900 wrote to memory of 3344	3900	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3344
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 624
    3⤵
    - Program crash
    PID:4120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3344 -ip 3344
1⤵
PID:4572

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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