b15de38c9d72eef3c8ac9336c39debb10edc8e4a26bcc32b319f6ae8c9141380

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/10/2026, 16:21

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General

Target
$PLUGINSDIR/nsArray.dll
Size 6KB
Sample261009-ttpc4acd95
SHA256 b15de38c9d72eef3c8ac9336c39debb10edc8e4a26bcc32b319f6ae8c9141380
MD5 6206b94f91e92b7f7f72214c438dd414
SHA1 09281ee4a76aa7dce016e7476ce33aa74246a0c6
SHA512 502bedef4fe934c74903ea01036fc265b950a8bb4927f6b285926ff53140fa8a78f37bc7e39a8de8ccde0ba6cdf9d0f512379c9fef86ad60192ed4b447c00fd0
SSDEEP 96:QVtJ0bb2EKqyp//c6fbQ2Pz9AqgCLAk9F5LeT2b8HIK/O0iRxGQFIfA7gfMxLfA0:QGbQvp3c6/PwCLAk90K8DysQf0M2dja
TLSH
T1CAD12B5767FC87EBE4F35B3D062153032A2F7C10CBFB7B885648115A3C616441A20BA7
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
behavioral5/memory/4984-0-0x0000000075740000-0x000000007574A000-memory.dmp	upx
behavioral5/memory/4984-2-0x0000000075740000-0x000000007574A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3780	4984	WerFault.exe	85

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 3252 wrote to memory of 4984	3252	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3252
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsArray.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 600
    3⤵
    - Program crash
    PID:3780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4984 -ip 4984
1⤵
PID:816

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

Replay Monitor

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Downloads

memory/4984-0-0x0000000075740000-0x000000007574A000-memory.dmp

Download

memory/4984-2-0x0000000075740000-0x000000007574A000-memory.dmp