effdc278077405301c03523b000e58bdf276f077b92ae8c17d62aac9fb45048c

Analysis

max time kernel
150s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/10/2026, 08:31

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General

Target
effdc278077405301c03523b000e58bdf276f077b92ae8c17d62aac9fb45048c.exe
Size 519KB
Sample261030-key5baax9s
SHA256 effdc278077405301c03523b000e58bdf276f077b92ae8c17d62aac9fb45048c
MD5 d2c2d19e58715ea146bf7750c8ffe392
SHA1 9be6b71db5426cd2a1d80dbec7bc764f8dd231f7
SHA512 5f2cc0ed90891c43952207f34b95cba7a6c965926c385afbc482340ec9527586cfac81d4b86bc57a103267d31ca3d9bc3e539a1d631324969dd3e79e9ba122de
SSDEEP 6144:GUcS31cgtmorbk8YEdLzxDiB0LqZzRFUirCcEOkCybEaQRXr9HNdvOa:GO3OiFnYqPxDiB0LqZpoOkx2LIa
TLSH
T1BEB47D2AB6A0D076C5B78574C4A24AA6FFB1B43137204ACFA391475A1F637D2BE3530D
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
behavioral2/memory/4564-0-0x00000000009C0000-0x0000000000A4A000-memory.dmp	upx
behavioral2/memory/4564-1-0x00000000009C0000-0x0000000000A4A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4112	4564	WerFault.exe	87

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	effdc278077405301c03523b000e58bdf276f077b92ae8c17d62aac9fb45048c.exe

C:\Users\Admin\AppData\Local\Temp\effdc278077405301c03523b000e58bdf276f077b92ae8c17d62aac9fb45048c.exe
"C:\Users\Admin\AppData\Local\Temp\effdc278077405301c03523b000e58bdf276f077b92ae8c17d62aac9fb45048c.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4564
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 472
  2⤵
  - Program crash
  PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 4564 -ip 4564
1⤵
PID:2756

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/4564-0-0x00000000009C0000-0x0000000000A4A000-memory.dmp

Download

memory/4564-1-0x00000000009C0000-0x0000000000A4A000-memory.dmp