expiro | 235fc0e8347e04d786b46bc0700470071ca2372c98a68547f11b0a706fbe920b

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 22:01

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General

Target

235fc0e8347e04d786b46bc0700470071ca2372c98a68547f11b0a706fbe920b.exe
Size

613KB
MD5

7672713d2fcbcaedbb55f0d8e1427bf0
SHA1

704835d5dceeeed55f47a056a4010ef8aba24048
SHA256

235fc0e8347e04d786b46bc0700470071ca2372c98a68547f11b0a706fbe920b
SHA512

f0931a0646463206fe438ebfe42f2dbc4a6dc4061a932858a39cefe621c305d6fe7f80201200b371ae13a25685d7c4eec6ea361e245837c318a266c101a5df3b
SSDEEP

12288:yULa7m5P7E3gQNE8LDP4znakfHz98mu1G8sS0XQExh93bN7+9:ZuWGEzR87nuHD9By9

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/2508-2-0x0000000010000000-0x0000000010258000-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	235fc0e8347e04d786b46bc0700470071ca2372c98a68547f11b0a706fbe920b.exe

C:\Users\Admin\AppData\Local\Temp\235fc0e8347e04d786b46bc0700470071ca2372c98a68547f11b0a706fbe920b.exe
"C:\Users\Admin\AppData\Local\Temp\235fc0e8347e04d786b46bc0700470071ca2372c98a68547f11b0a706fbe920b.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2508

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/2508-0-0x0000000010000000-0x0000000010258000-memory.dmp

Filesize
2.3MB

Download
memory/2508-1-0x000000001000C000-0x000000001000D000-memory.dmp

Filesize
4KB

Download
memory/2508-2-0x0000000010000000-0x0000000010258000-memory.dmp

Filesize
2.3MB

Download