expiro | ae65285601c6ff79cdbb20ba22cd67974f4f63fd1912fe2ce8136cc2f250a740

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-02-2025 04:10

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General

Target

ae65285601c6ff79cdbb20ba22cd67974f4f63fd1912fe2ce8136cc2f250a740N.exe
Size

560KB
MD5

67361afdf7f8e4064dfe88eb828f94b0
SHA1

3eb9553078646ef02508664e8e0e50579fd7718b
SHA256

ae65285601c6ff79cdbb20ba22cd67974f4f63fd1912fe2ce8136cc2f250a740
SHA512

a79e6f520bd050a2b96bef81ead21453adc8be9c66fe2a6dd5f3360c5983f67e340067e985ee57b2ee01eb3ab60e7f4ea3dd7b076e6d770c18ac82dd26cacbc5
SSDEEP

12288:uU21WxWIQbsXlZHzNyikxjF8tTiOyC9YZg:5Cb6Hz0i4jFMTiOyF

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/2424-2-0x0000000001000000-0x000000000124B000-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	ae65285601c6ff79cdbb20ba22cd67974f4f63fd1912fe2ce8136cc2f250a740N.exe

C:\Users\Admin\AppData\Local\Temp\ae65285601c6ff79cdbb20ba22cd67974f4f63fd1912fe2ce8136cc2f250a740N.exe
"C:\Users\Admin\AppData\Local\Temp\ae65285601c6ff79cdbb20ba22cd67974f4f63fd1912fe2ce8136cc2f250a740N.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2424

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/2424-0-0x0000000001000000-0x000000000124B000-memory.dmp

Filesize
2.3MB

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memory/2424-1-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

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memory/2424-2-0x0000000001000000-0x000000000124B000-memory.dmp

Filesize
2.3MB

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