55043a5dbe9b4bfe50e2e6be0bdf77a69a075becc520700dcaffb1d9f7686138

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/05/2026, 04:36

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General

Target
brokerfoundation_x86/msvcp_win.dll
Size 485KB
Sample260508-e8ae6agt9q
SHA256 55043a5dbe9b4bfe50e2e6be0bdf77a69a075becc520700dcaffb1d9f7686138
MD5 bbc3c4543a00bc1e2130921ddc3ed3ca
SHA1 f7fe6df7187c3e11da67bc7f089113d61935364c
SHA512 2c8f44308a7344730423a8cf956d234ee46c9818c8ad13e19ba9019a99f9905aa5e326a2203ba462521ad626f015808abf9c34a3cfe3b660b6f321de540a95ab
SSDEEP 12288:3m8MyfWVRsPsxy60whuhFbCu8hUgiW6QR7t5s03Ooc8dHkC2es/oLG:yy+sPsxy60euPbn03Ooc8dHkC2eyoLG
TLSH
T1F8B43A3377410EB1E59A63B0218E973593F9ECA64761E3C393DAF1A96F243C29533681
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4028	4432	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 4296 wrote to memory of 4432	4296	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\brokerfoundation_x86\msvcp_win.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\brokerfoundation_x86\msvcp_win.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 600
    3⤵
    - Program crash
    PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4432 -ip 4432
1⤵
PID:4208

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

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Downloads

memory/4432-0-0x0000000000E30000-0x0000000000F50000-memory.dmp

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