c31b590cba443de87f0f4a81712f0883ac3b506f3868759d918d9a81f84ea922

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/04/2026, 06:30

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General

Target
$PLUGINSDIR/nsisunz.dll
Size 88KB
Sample260424-g9pmkshw21
SHA256 c31b590cba443de87f0f4a81712f0883ac3b506f3868759d918d9a81f84ea922
MD5 bd97d86d8bd07ebdc8ec662a3f31dfd5
SHA1 5e2b3a1af5ee53ab6d1d6c2cb8127add39ee7e82
SHA512 4575d1ea0d1b2f74df74cad94eae7fdf31c513e5dc6d945e81e0873b99f94a5d81b1c385c71ab79a19e5bb6c00fc5fffec7a3bbfd60ad7de312cbb53d8bcce9a
SSDEEP 1536:uPmnCuZs9reYWvAHvXhxQdJeY3tMCo9NTJwd6aimHr5jr5T51NT:uPmnCuZs9KoPX6rA9Nl2Rrt51h
TLSH
T163939D107A90C27BC4A7547E0456D7314B7BB5216BB9ADC7BB980EBB4F202D0A73A34D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1228	1884	WerFault.exe	86

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 1 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1884	1960	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisunz.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 604
    3⤵
    - Program crash
    PID:1228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1884 -ip 1884
1⤵
PID:2052

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

memory/1884-0-0x0000000000D80000-0x0000000000E5C000-memory.dmp

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