ef9a58b90887e11c515299010f998f1e3ec6cb86d9a8245f9843bc4ac7f269d2

Analysis

max time kernel
898s
max time network
408s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
24/04/2026, 04:41

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General

Target
D13/natives/OpenAL32.dll
Size 105KB
Sample260424-fbgnmsbv3n
SHA256 ef9a58b90887e11c515299010f998f1e3ec6cb86d9a8245f9843bc4ac7f269d2
MD5 60009e325f0df47a0463ff3e86dbba61
SHA1 febc44b139687703100473fc872adee339dd79b1
SHA512 e12fdae5646e44540a0b02996fa573ccf011d874e26bd81b794794141ad9c478af15660f07eab339fa4e780825e197e9440564087189a19ed2aab5f89aed2cbf
SSDEEP 3072:GibH0CM38GCvPZRT0AwQFQpxa2topVmt2WupqRRbalm9ZQfu:fbHS8GoPjApqg7aPA2HpqcK
TLSH
T118B312D7BA745C58F0EF8F3160D87E32FD1745A1E8E8A70CC6B5C2816299FA9F42051A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral8/memory/3536-0-0x00000000750D0000-0x00000000751F9000-memory.dmp	upx

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 4092 wrote to memory of 3536	4092	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\D13\natives\OpenAL32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\D13\natives\OpenAL32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3536

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/3536-0-0x00000000750D0000-0x00000000751F9000-memory.dmp

Download

memory/3536-1-0x0000000000D50000-0x0000000000DCB000-memory.dmp