expiro | 9230e843836a85b7b7dec64b04cef2ecdd3c3f598f3c2d335050712d22dc34c8

Analysis

max time kernel
148s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 14:05

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General

Target
2026-08-04_d0b7dfe0a71e0a3befea358e49a773ad_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
Size 627KB
Sample260804-rd5c9ssdjb
SHA256 9230e843836a85b7b7dec64b04cef2ecdd3c3f598f3c2d335050712d22dc34c8
MD5 d0b7dfe0a71e0a3befea358e49a773ad
SHA1 c421c350bf7ae7b73b2505bb5e46557727deb27d
SHA512 3450ce09372552a2a4008035d85b4304c096f31ce8971d2997f7e6338007f8fbebdb0dd54f5f89ec0bde50175d9c5168c6482e00957a3e21dd76e822a227fedc
SSDEEP 12288:2mho0vrb/MJn6R5z1GUqMwCsbIWuh4epM+vxJd+1ObiBqM+3o7wVTK:zvrb0n6R5zwUqM+cWuh4epMWFo+TVTK
TLSH
T17FD48EDCE1B1E1BEDE42D8782BCAD392FC0CAD2256D95D3063C41543E726A5DA91F232
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery expiro

Malware Config

Signatures

Family: Expiro, m0yv
Expiro aka m0yv is a multi-functional backdoor written in C++.
backdoor expiro

Expiro payload 1 IoCs

backdoor

resource	yara_rule
behavioral2/memory/4624-1-0x0000000000400000-0x000000000065D000-memory.dmp	family_expiro1

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	2026-08-04_d0b7dfe0a71e0a3befea358e49a773ad_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-04_d0b7dfe0a71e0a3befea358e49a773ad_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_d0b7dfe0a71e0a3befea358e49a773ad_amadey_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_stop.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4624

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/4624-0-0x0000000000400000-0x000000000065D000-memory.dmp

Download

memory/4624-1-0x0000000000400000-0x000000000065D000-memory.dmp