49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384

Analysis

max time kernel
148s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/10/2026, 17:14

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General

Target
$PLUGINSDIR/nsJSON.dll
Size 7KB
Sample261009-vsb7tada73
SHA256 49b173504eb9cd07e42a3c4deb84c2cd3f3b49c7fb0858aee43ddfc64660e384
MD5 b9cd1b0fd3af89892348e5cc3108dce7
SHA1 f7bc59bf631303facfc970c0da67a73568e1dca6
SHA512 fdcbdd21b831a92ca686aab5b240f073a89a08588e42439564747cad9160d79cfa8e3c103b6b4f2917684c1a591880203b4303418b85bc040f9f00b6658b0c90
SSDEEP 96:Zw8NZ0x0OOdzJt0TwYKj7W/NYDNd9fQ6blfW+KrWC69r7ncnrD6Qdm:6e/7vAmrHblfW3iCmDcru
TLSH
T122E15C8173B8409BE0F1137A68E5830B715DFD50CEB5578E6AC0224F6CD16B49F44B75
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral20/memory/4960-0-0x0000000075250000-0x000000007525A000-memory.dmp	upx
behavioral20/memory/4960-1-0x0000000075250000-0x000000007525A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1520	4960	WerFault.exe	89

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 1652 wrote to memory of 4960	1652	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsJSON.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4960
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 504
    3⤵
    - Program crash
    PID:1520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 236 -p 4960 -ip 4960
1⤵
PID:3328

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/4960-0-0x0000000075250000-0x000000007525A000-memory.dmp

Download

memory/4960-1-0x0000000075250000-0x000000007525A000-memory.dmp