3e8381cba2db07ae9a7d298e9a9e56473fda9060ae531cca3352cd7e7d779506

Analysis

max time kernel
352s
max time network
345s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
03/05/2026, 19:32

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General

Target
32-Bit/Blake3.dll
Size 88KB
Sample260503-x89jcsf191
SHA256 3e8381cba2db07ae9a7d298e9a9e56473fda9060ae531cca3352cd7e7d779506
MD5 26da963db1601f6518c15f7beaf8cd9f
SHA1 cf6d24e8f3325c92f2c5979e0efdf9a03208d0b2
SHA512 1751ba1e10890fd094b2b873d9302aee0b9d49f58718cce6c0f0e5f8ebfc380d126573790a7cbd47836258aa370e9d7ae41402ab0ee98661c8436af5c58395aa
SSDEEP 1536:ycUgkE9y6/HdkU7Js6r3coLIffypddaPAP9DZOoZNdsWgbdbBwfq5S:y/49yadTVPr3pIffydlZobBwfq5S
TLSH
T19A935B04F5C1D030EAFE19394460DA799B2F7978CA605E9B6B4805BA4F247C3DE34E6B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3956	2432	WerFault.exe	86
4208	2432	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 1032 wrote to memory of 2432	1032	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\32-Bit\Blake3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\32-Bit\Blake3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 552
    3⤵
    - Program crash
    PID:3956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2432 -s 600
    3⤵
    - Program crash
    PID:4208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2432 -ip 2432
1⤵
PID:3820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2432 -ip 2432
1⤵
PID:2128

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/2432-0-0x0000000037790000-0x00000000377A0000-memory.dmp

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memory/2432-1-0x0000000075200000-0x000000007521F000-memory.dmp

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memory/2432-3-0x0000000075200000-0x000000007521F000-memory.dmp

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memory/2432-2-0x0000000000F90000-0x000000000104F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads