expiro | 3b2c00a098bd6f03c1b602de4139541205bb0cf5b7217df23bc10f7daa30a1e4

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 03:41

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General

Target

2024-12-17_17a39da6c23c791046d0906257c1926d_magniber.exe
Size

4.7MB
MD5

17a39da6c23c791046d0906257c1926d
SHA1

3d9f2b33dda94d23cd58960f303d0125783e16f0
SHA256

3b2c00a098bd6f03c1b602de4139541205bb0cf5b7217df23bc10f7daa30a1e4
SHA512

7171c4408d399f64fc680c20d27e3711724f891fe22b3fc993656f20ce4d1a0def82cdbe29016c42a4a0396e4f2ee4daccdd44094d211a4c92251c3b97fb4664
SSDEEP

98304:Ecu/7nKC96SOzLJUf7XtOKiEB37VDxmbpaBH/5EcBt2qMCviphpUIOipeGsh:Ent/LsOhEt8H/5E3YiphiIOipHs

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/2640-2-0x0000000000400000-0x0000000000A21000-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	2024-12-17_17a39da6c23c791046d0906257c1926d_magniber.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2640	2024-12-17_17a39da6c23c791046d0906257c1926d_magniber.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-17_17a39da6c23c791046d0906257c1926d_magniber.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-17_17a39da6c23c791046d0906257c1926d_magniber.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2640

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

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Downloads

memory/2640-0-0x0000000000400000-0x0000000000A21000-memory.dmp

Filesize
6.1MB

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memory/2640-1-0x000000000055A000-0x000000000055C000-memory.dmp

Filesize
8KB

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memory/2640-2-0x0000000000400000-0x0000000000A21000-memory.dmp

Filesize
6.1MB

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