expiro | 9f0d95643c76f230ec97251be5099b5daa1d5eea9de9a7367446dafd6aba5ad2

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 00:09

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General

Target

9f0d95643c76f230ec97251be5099b5daa1d5eea9de9a7367446dafd6aba5ad2N.exe
Size

634KB
MD5

bbef259e0b0e274046f64d73a7434ca0
SHA1

3dae00edee27698d3fa4d324ddbc3ec62d300080
SHA256

9f0d95643c76f230ec97251be5099b5daa1d5eea9de9a7367446dafd6aba5ad2
SHA512

33b878ea878d9d9cff4ad69c9158e5fce6f6e17e709d4edc602b223a79a49f25e610cfb4dadae803f52e8b5c43ca27e08bc255476da71cb1c765db53e14df6da
SSDEEP

12288:tuVs7HSEkcxg2rYYS4twUr2cWLI1u6usgCM+8Hxkel:tuV09gnY32cWLIE6gJxke

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/4220-2-0x0000000001000000-0x000000000125E000-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	9f0d95643c76f230ec97251be5099b5daa1d5eea9de9a7367446dafd6aba5ad2N.exe

C:\Users\Admin\AppData\Local\Temp\9f0d95643c76f230ec97251be5099b5daa1d5eea9de9a7367446dafd6aba5ad2N.exe
"C:\Users\Admin\AppData\Local\Temp\9f0d95643c76f230ec97251be5099b5daa1d5eea9de9a7367446dafd6aba5ad2N.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4220

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/4220-0-0x0000000001000000-0x000000000125E000-memory.dmp

Filesize
2.4MB

Download
memory/4220-1-0x000000000100F000-0x0000000001010000-memory.dmp

Filesize
4KB

Download
memory/4220-2-0x0000000001000000-0x000000000125E000-memory.dmp

Filesize
2.4MB

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