expiro | 268fe98d06c924c0f2f0d3763207e9b7a82cb7a437b3f9279e80f30c52d89ee3

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-02-2025 02:42

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General

Target

JaffaCakes118_0928ed2fc6edcaaa00fea207afb5d86b.exe
Size

269KB
MD5

0928ed2fc6edcaaa00fea207afb5d86b
SHA1

297a686cff9acedbd44844f4ee4b4d3e9d13e4bd
SHA256

268fe98d06c924c0f2f0d3763207e9b7a82cb7a437b3f9279e80f30c52d89ee3
SHA512

544f4283a7d8ef03ab927139935945e107c439f43ea7fb7a3a5087d310dca810276b2e7207966352032a61cb33bd3089afc9292b5303c29fa7bec152201b68ad
SSDEEP

6144:OQbX+bFkG8jteyaKoanwKtHUYxitJopypUB3FU2mbjXOdCU1ECrW+fci:xrQgwKtHniAyUB3FU2OzhU+CrW+fZ

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/2296-2-0x0000000001000000-0x0000000001092000-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_0928ed2fc6edcaaa00fea207afb5d86b.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0928ed2fc6edcaaa00fea207afb5d86b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0928ed2fc6edcaaa00fea207afb5d86b.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2296

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/2296-0-0x0000000001000000-0x0000000001092000-memory.dmp

Filesize
584KB

Download
memory/2296-1-0x0000000000280000-0x0000000000312000-memory.dmp

Filesize
584KB

Download
memory/2296-2-0x0000000001000000-0x0000000001092000-memory.dmp

Filesize
584KB

Download