expiro | 2626678b8c1e8117cc750e40f43a3ab97491eb96fe41b080b68285be90b7c5dd

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 07:10

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General

Target

JaffaCakes118_6afec8709f9c2216c3bd416eb5920dd0.exe
Size

715KB
MD5

6afec8709f9c2216c3bd416eb5920dd0
SHA1

3613a1641988025c4687c818b665e2cf65a70fe2
SHA256

2626678b8c1e8117cc750e40f43a3ab97491eb96fe41b080b68285be90b7c5dd
SHA512

d9076431580571da4508b83e06cb8345bb2c989997b0eba852a1b9045124cfbf307e15ff7ee6d668b7a63f048c78797082309839563937d19dbfc6a801ee2f64
SSDEEP

12288:/xLVMsCpn5K6hILP3a4CoZJa3YapyART42Y6ROXN4sPbbOaTRvYP6Zi/:/xLYi6h8ZqpJT42noXNJPXOadvYyZi/

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
behavioral1/memory/564-2-0x0000000001000000-0x00000000011D6000-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_6afec8709f9c2216c3bd416eb5920dd0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6afec8709f9c2216c3bd416eb5920dd0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6afec8709f9c2216c3bd416eb5920dd0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:564

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/564-0-0x0000000001000000-0x00000000011D6000-memory.dmp

Filesize
1.8MB

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memory/564-1-0x000000000102E000-0x000000000102F000-memory.dmp

Filesize
4KB

Download
memory/564-2-0x0000000001000000-0x00000000011D6000-memory.dmp

Filesize
1.8MB

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