db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73

Analysis

max time kernel
148s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/10/2026, 16:08

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General

Target
$PLUGINSDIR/nsRandom.dll
Size 21KB
Sample261018-tlj4eags7x
SHA256 db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73
MD5 ab467b8dfaa660a0f0e5b26e28af5735
SHA1 596abd2c31eaff3479edf2069db1c155b59ce74d
SHA512 7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301
SSDEEP 384:LCHDPMs4GdtyO5roguusMxUXiO3wOw95euooP2UgKbd9BvNtf:LCHD6Gh87MKXil/5r2U3z
TLSH
T1A3A2E1AFFA7A8B72C21162394365DDF861D08DDD01EE1E479A2EC226ACBD0400D7221B
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
behavioral12/memory/4920-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral12/memory/4920-1-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5636	4920	WerFault.exe	88

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 3968 wrote to memory of 4920	3968	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRandom.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsRandom.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4920 -s 532
    3⤵
    - Program crash
    PID:5636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4920 -ip 4920
1⤵
PID:2656

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/4920-0-0x0000000000400000-0x0000000000412000-memory.dmp

Download

memory/4920-1-0x0000000000400000-0x0000000000412000-memory.dmp