1639e405d2cd88a94eadcbc4757f95ba9bb07428c445bcebde8fa6ee5599d73e

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
04/08/2026, 00:32

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General

Target
1639e405d2cd88a94eadcbc4757f95ba9bb07428c445bcebde8fa6ee5599d73e.exe
Size 519KB
Sample260804-av5lxsdr21
SHA256 1639e405d2cd88a94eadcbc4757f95ba9bb07428c445bcebde8fa6ee5599d73e
MD5 c198429f3df05b5b1bd8a7fc7a543c6e
SHA1 dfbd006e1f7ea2cc2d6bc6f53d6b961362a66662
SHA512 9615c0d02322236bf7d12ab3999e65206e4ae39459553d455e4cab0ee89ffe826c8d1b7fb90f44bca16a48b518cbc4c61973de74f7d041ea8a133465059037a8
SSDEEP 6144:QcAav1cWuovbAkZYHOLpPKm0fALSl39FQirmcEOkCybEaQRXr9HNdvOa:QyvOWRMHOtPKRfALSlNMOkx2LIa
TLSH
T1BEB47D2AF6A0C076C4B79574C4A246AAFBB1B43177204ACFA390475A1F637D2BD3931D
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/4904-0-0x0000000000140000-0x00000000001CA000-memory.dmp	upx
behavioral1/memory/4904-1-0x0000000000140000-0x00000000001CA000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4616	4904	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	1639e405d2cd88a94eadcbc4757f95ba9bb07428c445bcebde8fa6ee5599d73e.exe

C:\Users\Admin\AppData\Local\Temp\1639e405d2cd88a94eadcbc4757f95ba9bb07428c445bcebde8fa6ee5599d73e.exe
"C:\Users\Admin\AppData\Local\Temp\1639e405d2cd88a94eadcbc4757f95ba9bb07428c445bcebde8fa6ee5599d73e.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 416
  2⤵
  - Program crash
  PID:4616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4904 -ip 4904
1⤵
PID:2596

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/4904-0-0x0000000000140000-0x00000000001CA000-memory.dmp

Download

memory/4904-1-0x0000000000140000-0x00000000001CA000-memory.dmp