expiro | 0b7ea44893466f5652c8a7f9b513188639abfdbbde7a69ad1d63813ae954074e

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 15:06

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General

Target

0b7ea44893466f5652c8a7f9b513188639abfdbbde7a69ad1d63813ae954074e.exe
Size

776KB
MD5

e1541cf637146d24e9a124fc945d3b9a
SHA1

8ae2bf2bcf38320eefcbd435a203220db7d4f93f
SHA256

0b7ea44893466f5652c8a7f9b513188639abfdbbde7a69ad1d63813ae954074e
SHA512

91fafedbcbe9beb12e13e478cd95ff7bcf0203f03d8c3c62493f0b4d1e02880cb2fbe9498e17b644fb67d569202bb9fa8b21214d5516e40db4dfa5aba64a96b2
SSDEEP

12288:vxLVssCpn5K6hYk/1XfvdCbdAQnXKlAptjVqTMAskOhM3xTrLqAt6:vxLQi6hP1Xfv4JtgT+gxruk6

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
behavioral1/memory/2772-2-0x0000000001000000-0x0000000001280000-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	0b7ea44893466f5652c8a7f9b513188639abfdbbde7a69ad1d63813ae954074e.exe

C:\Users\Admin\AppData\Local\Temp\0b7ea44893466f5652c8a7f9b513188639abfdbbde7a69ad1d63813ae954074e.exe
"C:\Users\Admin\AppData\Local\Temp\0b7ea44893466f5652c8a7f9b513188639abfdbbde7a69ad1d63813ae954074e.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2772

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/2772-0-0x0000000001000000-0x0000000001280000-memory.dmp

Filesize
2.5MB

Download
memory/2772-1-0x000000000102E000-0x000000000102F000-memory.dmp

Filesize
4KB

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memory/2772-2-0x0000000001000000-0x0000000001280000-memory.dmp

Filesize
2.5MB

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