expiro | 470333257dc9c36ab1261ec94d4d9e732db22b93b7307594ddb2bb8b256cb04c

Analysis

max time kernel
93s
max time network
138s
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, 13:53

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General

Target

JaffaCakes118_6591135d87ca4e417b9d849a513a3391.exe
Size

540KB
MD5

6591135d87ca4e417b9d849a513a3391
SHA1

e0bafd17c87401f78e4a3ce6447de127b1c19b06
SHA256

470333257dc9c36ab1261ec94d4d9e732db22b93b7307594ddb2bb8b256cb04c
SHA512

39b75b739fa54d7b1c85dc3a216d860b7e50f043199f4c23912f48729bbe3bc78766c8e9d6348764d2537f4ebc2a70c76585c2802d02d1a4567c711d5cbd54c5
SSDEEP

12288:rAxmUNcKM2/TcqTgVwgZRysRsOI7V/SbnX5X8BqmBfLhm:rAxmU1h6VwgqChI7VmpX8Bqmvm

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/2764-2-0x0000000001000000-0x00000000011A3000-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	JaffaCakes118_6591135d87ca4e417b9d849a513a3391.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6591135d87ca4e417b9d849a513a3391.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6591135d87ca4e417b9d849a513a3391.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2764

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/2764-0-0x0000000001000000-0x00000000011A3000-memory.dmp

Filesize
1.6MB

Download
memory/2764-1-0x0000000001006000-0x0000000001008000-memory.dmp

Filesize
8KB

Download
memory/2764-2-0x0000000001000000-0x00000000011A3000-memory.dmp

Filesize
1.6MB

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