expiro | 512a38d5c05111565fec4c348b6097d555c2eac8c79c8dce9f811ac3a48d3a4c

Analysis

max time kernel
95s
max time network
149s
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, 09:33

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General

Target

JaffaCakes118_4ff097a3e64c41c6959fe440e83182d0.exe
Size

528KB
MD5

4ff097a3e64c41c6959fe440e83182d0
SHA1

cdd09c046e595d371a779d9350fb68681893fe3d
SHA256

512a38d5c05111565fec4c348b6097d555c2eac8c79c8dce9f811ac3a48d3a4c
SHA512

a7ba070193151d8e5574a8f7aa463888d7d48dd265584b426df6493ab95c041604cf38d119fcb34f39dbc56cb7568938b8e510e6d2c714f7be9b15c09ac34652
SSDEEP

12288:8RW9NZ6QqR2tzQpCmjCYsOPST/MhVl1cJ6Q5joTeRH6R:SWNqR2+STc1ujo616

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/5064-2-0x0000000000400000-0x00000000005A6000-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_4ff097a3e64c41c6959fe440e83182d0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff097a3e64c41c6959fe440e83182d0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff097a3e64c41c6959fe440e83182d0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:5064

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/5064-0-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

Download
memory/5064-1-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/5064-2-0x0000000000400000-0x00000000005A6000-memory.dmp

Filesize
1.6MB

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