expiro | 5a7e6c4c22f0fc8fc5cd1346a89c587835a2346ea95f5b7c6ee857f13b1050bd

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 06:48

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General

Target

JaffaCakes118_6adfcb0b4ff8cb38a1e7c8b236910c09.exe
Size

588KB
MD5

6adfcb0b4ff8cb38a1e7c8b236910c09
SHA1

e770e797646fa67ef82a48c6d0100e9f5b2bb852
SHA256

5a7e6c4c22f0fc8fc5cd1346a89c587835a2346ea95f5b7c6ee857f13b1050bd
SHA512

214c7b12bcd0033a155fbbc873573bd42f000f37785f2c08feefd30e086cbd0ae0b954ea935c3b03f233f8f99d861c57cd03ab12002cd09a18fac8406024eeb1
SSDEEP

12288:MIH5S8pw6ugAhqZpRjjiOPVZFwydnXQ4iqyAxUelg0qv1uDju+4hXG77ttGpNo9J:MIH5ZuXsZpRSOdZ+yd/iqtDg0qv1AjuG

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/4808-2-0x0000000001000000-0x00000000011B0000-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_6adfcb0b4ff8cb38a1e7c8b236910c09.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6adfcb0b4ff8cb38a1e7c8b236910c09.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6adfcb0b4ff8cb38a1e7c8b236910c09.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4808

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/4808-0-0x0000000001000000-0x00000000011B0000-memory.dmp

Filesize
1.7MB

Download
memory/4808-1-0x000000000100B000-0x000000000100C000-memory.dmp

Filesize
4KB

Download
memory/4808-2-0x0000000001000000-0x00000000011B0000-memory.dmp

Filesize
1.7MB

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