dd7e86055de6b80757131abdee20ee42ad203937d603054e1c0120332bd825e0

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/09/2026, 00:16

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General

Target
brpx.dll
Size 53KB
Sample260909-aky2dszsbs
SHA256 dd7e86055de6b80757131abdee20ee42ad203937d603054e1c0120332bd825e0
MD5 69281b009ec16a02d470129b76bd55bc
SHA1 5877e5403f3f37a6fbd11d0239aa7177c2dd5dde
SHA512 778013e30c06fa52cdb3101037a1a30a68ff9eab544d1fea17eb579d7fe0005246076e2701d0c74791baa37ca6f3c0f9da98fce7279d525198756fabde528d1f
SSDEEP 1536:JjIQtKoyIULSpX3+TAdn5+pWXnInWrfiMHogP:JLtTMS46n5+pSIAqMIgP
TLSH
T10A33F2A6D3250A93C4A1E0FD09D7610EB63769B8DB8C50747E0BEF7C58D12EC19DD204
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
behavioral1/memory/3964-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3964-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
444	3964	WerFault.exe	86

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 1712 wrote to memory of 3964	1712	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\brpx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\brpx.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3964
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 636
    3⤵
    - Program crash
    PID:444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3964 -ip 3964
1⤵
PID:3448

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/3964-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3964-1-0x0000000010000000-0x0000000010030000-memory.dmp