expiro | 49e30ee8a68a57921a60452248250190759c7cc95fbd1f69be3300f2da410ec0

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 02:24

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General

Target

49e30ee8a68a57921a60452248250190759c7cc95fbd1f69be3300f2da410ec0.exe
Size

594KB
MD5

ead6d9468e89f1a8dfd7674603f807ef
SHA1

054f65045da981e5ff7611ca101125c6af9cf492
SHA256

49e30ee8a68a57921a60452248250190759c7cc95fbd1f69be3300f2da410ec0
SHA512

c603307b12c6fc92750d54244a61eb2480a63dbb534e98429bdd76cd0487887c0f35e7c370801c56b6f54e59f87310a2d31ddf9059187f62ca813fea0ab5f595
SSDEEP

12288:UMU7R8B7rSMrgO10sCRgNU3CFbcz8uNJ/gst4fy+/Hqd6/rYN+ld:UJ7R8B7rSMrX10sKgNSCFbc4uNd14vHV

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/2768-2-0x0000000001000000-0x00000000011B0000-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	49e30ee8a68a57921a60452248250190759c7cc95fbd1f69be3300f2da410ec0.exe

C:\Users\Admin\AppData\Local\Temp\49e30ee8a68a57921a60452248250190759c7cc95fbd1f69be3300f2da410ec0.exe
"C:\Users\Admin\AppData\Local\Temp\49e30ee8a68a57921a60452248250190759c7cc95fbd1f69be3300f2da410ec0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2768

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

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Downloads

memory/2768-0-0x0000000001000000-0x00000000011B0000-memory.dmp

Filesize
1.7MB

Download
memory/2768-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

Download
memory/2768-2-0x0000000001000000-0x00000000011B0000-memory.dmp

Filesize
1.7MB

Download