expiro | a606a23272f339208907a18b815b8b04211ad7251a49ca322596580c7929b5f7

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 09:42

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General

Target

JaffaCakes118_502ffec9c8898bcda6ddbd024e4c0cd0.exe
Size

608KB
MD5

502ffec9c8898bcda6ddbd024e4c0cd0
SHA1

1669b32459113aafc3294d3b6451182daac75256
SHA256

a606a23272f339208907a18b815b8b04211ad7251a49ca322596580c7929b5f7
SHA512

989b96f231a8d5233bca75e612a21c0a7c752d6602cf0b03ad39bd429f0efc976c0ade18e1c2ce1669d6cd2d43b2e3b1d290ef0cc043877690a1685cd9831b41
SSDEEP

12288:/F9Bt8QBhGqrFQBkhFEpEA9IHvr1J8NlbU0gTwDyD94ywm73A7UV:tBhlrFQBkhapor1KNlQlTwDyKyww

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/4904-2-0x0000000001000000-0x00000000011C6000-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_502ffec9c8898bcda6ddbd024e4c0cd0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_502ffec9c8898bcda6ddbd024e4c0cd0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_502ffec9c8898bcda6ddbd024e4c0cd0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4904

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/4904-0-0x0000000001000000-0x00000000011C6000-memory.dmp

Filesize
1.8MB

Download
memory/4904-1-0x000000000100A000-0x000000000100B000-memory.dmp

Filesize
4KB

Download
memory/4904-2-0x0000000001000000-0x00000000011C6000-memory.dmp

Filesize
1.8MB

Download