85d5383ba42c0b8ad8af1b13bacb643fdb080f9c589c04ecee1311f67ee5dcb9

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/04/2026, 12:27

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General

Target
lua51.dll
Size 175KB
Sample260415-pm286aes6k
SHA256 85d5383ba42c0b8ad8af1b13bacb643fdb080f9c589c04ecee1311f67ee5dcb9
MD5 80927598edb56e96158a8a4937c30b63
SHA1 88a115b8539d931af6f44fa28e8771574d6e97ad
SHA512 9f75162be574052931c39aae7b1afb879a1789e65eca54323bc5f52164e87f14e673d6504a9581c0bfd8b6f9fa0d6c1a066edf5fe71045349856cae237653b71
SSDEEP 3072:0fQMnFKKe6xC2igr9ZH0R2yQs7lWk8+OH5W1kjs7MnkVOMP3UZv6/D006/Zw:VwVfzI2TJH5W1kjKVOW32v2D006/
TLSH
T18404125CDD5C7245CE0256F549E6C5C386730220610AC74D27FFDE9ACDDA19C6EACA8C
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/5052-0-0x0000000075340000-0x000000007539B000-memory.dmp	upx
behavioral5/memory/5052-1-0x0000000075340000-0x000000007539B000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4912	5052	WerFault.exe	84

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 4380 wrote to memory of 5052	4380	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 604
    3⤵
    - Program crash
    PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5052 -ip 5052
1⤵
PID:5496

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/5052-0-0x0000000075340000-0x000000007539B000-memory.dmp

Download

memory/5052-1-0x0000000075340000-0x000000007539B000-memory.dmp