expiro | 1ef0b8da3cb14cf4b04253b532b93bbabb693448595349a17fa99b8135ca3798

Analysis

max time kernel
93s
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
02-01-2025 01:52

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General

Target

1ef0b8da3cb14cf4b04253b532b93bbabb693448595349a17fa99b8135ca3798.exe
Size

600KB
MD5

c635b849e21073e20cf3855eecd68fa2
SHA1

2883217c5a519b2151ca328729b34627a605cb50
SHA256

1ef0b8da3cb14cf4b04253b532b93bbabb693448595349a17fa99b8135ca3798
SHA512

8c46289a6ceb65e6ed62e9de91247c4e2778e562496849bbd6e69285d5eb46399da03f28c62dcddb9cd83f48c771c64801f9340a83a0b6e233c93649130840bf
SSDEEP

12288:TEyceS4e+3HggeWaSNQ/1zCFGLMR2WAMMJ1QYrSbPSoTnCFwbatabtkcp100T:TEAa+wgeWZNKRBARhyrSbPS0nCwb+2MO

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/3296-2-0x0000000001000000-0x0000000001255000-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	1ef0b8da3cb14cf4b04253b532b93bbabb693448595349a17fa99b8135ca3798.exe

C:\Users\Admin\AppData\Local\Temp\1ef0b8da3cb14cf4b04253b532b93bbabb693448595349a17fa99b8135ca3798.exe
"C:\Users\Admin\AppData\Local\Temp\1ef0b8da3cb14cf4b04253b532b93bbabb693448595349a17fa99b8135ca3798.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3296

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/3296-0-0x0000000001000000-0x0000000001255000-memory.dmp

Filesize
2.3MB

Download
memory/3296-1-0x0000000001005000-0x0000000001006000-memory.dmp

Filesize
4KB

Download
memory/3296-2-0x0000000001000000-0x0000000001255000-memory.dmp

Filesize
2.3MB

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