expiro | 1cbd6ed203974818935c421867ef7210c1ae9b873cd5f2610d754f245630ba72

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-02-2025 04:19

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General

Target

JaffaCakes118_036492e794d3bd7288c94dde82e1623a.exe
Size

299KB
MD5

036492e794d3bd7288c94dde82e1623a
SHA1

c06612dbeefeefdddce0a115f240c427d238b630
SHA256

1cbd6ed203974818935c421867ef7210c1ae9b873cd5f2610d754f245630ba72
SHA512

ef16f2a80bbca6d82dfe60e6a3c2e9fcf16493110f993cfe9789b85d2dd418239d69881c6a5ae4c27449af2ec8b079c8fc154ca19be242dfc51b9d812ad4125f
SSDEEP

6144:lmEInRXghTpq8usq/1JT2uy9QgRgFevmtEPfNdx+l28Vid4w9oR4Z52ZkD9vfSX:lXQOq357UvmtEXNb+l284doUakZy

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/2224-2-0x0000000001000000-0x0000000001098000-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_036492e794d3bd7288c94dde82e1623a.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_036492e794d3bd7288c94dde82e1623a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_036492e794d3bd7288c94dde82e1623a.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2224

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/2224-0-0x0000000001000000-0x0000000001098000-memory.dmp

Filesize
608KB

Download
memory/2224-1-0x000000000100A000-0x000000000100B000-memory.dmp

Filesize
4KB

Download
memory/2224-2-0x0000000001000000-0x0000000001098000-memory.dmp

Filesize
608KB

Download