expiro | ac946ed9b94e7c088b6b42b6be3666d721b1493fff74c05c08519673efb4dda8

Analysis

max time kernel
104s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
12/04/2025, 15:44

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General

Target

JaffaCakes118_b2b673450d620f4213666249a6a87e26.exe
Size

225KB
MD5

b2b673450d620f4213666249a6a87e26
SHA1

18506242eb60b5b11bf2f2ce86783f92ce80c3f2
SHA256

ac946ed9b94e7c088b6b42b6be3666d721b1493fff74c05c08519673efb4dda8
SHA512

1a46440c265823d8f4da944fe4514ef0d7f8cf7409bd213ce3e57da2483a5973d1116149abdcd24b02bec4f587203cb98b39c56305119b9e3e4fb3d9786b45d4
SSDEEP

6144:DqmUaB9kc1jAhiDTuL0n49Uvw0Vqi44wZRijbJ5vj:ePjh8jmUvw0VqHlZRgbzj

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/3184-2-0x0000000001000000-0x0000000001085000-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_b2b673450d620f4213666249a6a87e26.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2b673450d620f4213666249a6a87e26.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2b673450d620f4213666249a6a87e26.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3184

Network

MITRE ATT&CK Enterprise v16

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/3184-0-0x0000000001000000-0x0000000001085000-memory.dmp

Filesize
532KB

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memory/3184-1-0x0000000001005000-0x0000000001006000-memory.dmp

Filesize
4KB

Download
memory/3184-2-0x0000000001000000-0x0000000001085000-memory.dmp

Filesize
532KB

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