expiro | 885e78af467191544d493d57e303807bf338f5ef517bebf295350edaa92d1fe7

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2024, 08:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

885e78af467191544d493d57e303807bf338f5ef517bebf295350edaa92d1fe7.exe
Size

628KB
MD5

ca1c5f5700c0881c9cc03943eccdb36b
SHA1

f9a7bcdef7a9c2a1f94bdb1db4f39129a52d1239
SHA256

885e78af467191544d493d57e303807bf338f5ef517bebf295350edaa92d1fe7
SHA512

80b7c4b96f0a998099f692fddf4f74fc88901a6aef90ceb8dc7691a018756040f5a08fafc881a0f3c8a8bc2252bb8367b8727e0f7b98580db2cda99e715a93fe
SSDEEP

12288:Fqs7UXlyluyp8Ocb49YYvMxPiM7LgKhRQ74Q9qYK/U:Fqs0lpyq1ZYXMROeYl

Score

10^/10

expiro backdoor discovery

Malware Config

Signatures

Expiro family
expiro
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/528-2-0x0000000001000000-0x000000000125C000-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	885e78af467191544d493d57e303807bf338f5ef517bebf295350edaa92d1fe7.exe

C:\Users\Admin\AppData\Local\Temp\885e78af467191544d493d57e303807bf338f5ef517bebf295350edaa92d1fe7.exe
"C:\Users\Admin\AppData\Local\Temp\885e78af467191544d493d57e303807bf338f5ef517bebf295350edaa92d1fe7.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:528

Network

MITRE ATT&CK Enterprise v15

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

Loading Replay Monitor...

Downloads

memory/528-0-0x0000000001000000-0x000000000125C000-memory.dmp

Filesize
2.4MB

Download
memory/528-1-0x0000000001011000-0x0000000001012000-memory.dmp

Filesize
4KB

Download
memory/528-2-0x0000000001000000-0x000000000125C000-memory.dmp

Filesize
2.4MB

Download