expiro | 48f2d9a6c50c806a2bc8e9e110b6b88e058fc85b476d96dbfa4954c11297aabc

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 07:01

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General

Target

JaffaCakes118_636636ba4dcc20f159ad9897b1111d03.exe
Size

518KB
MD5

636636ba4dcc20f159ad9897b1111d03
SHA1

87afdbe53162d1b39b8bbf3d5aa98e0e7381cfdc
SHA256

48f2d9a6c50c806a2bc8e9e110b6b88e058fc85b476d96dbfa4954c11297aabc
SHA512

08cc58cfffa407c8c5c4eb76c9f5432416bfc1865a52423240eaa504c69cc7b5d93587097cb294b0d31d81e7247696ed00e5a50f54cfc21b7d0dc41d0b9ac4d8
SSDEEP

12288:roPo7cTIDCjHsnugUOJBzF7pMGrRxixmW7R1e9NCJKvKkFBPcfabP/E:VcTeH7BNxUJojj

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/4164-2-0x0000000000400000-0x000000000059E000-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_636636ba4dcc20f159ad9897b1111d03.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_636636ba4dcc20f159ad9897b1111d03.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_636636ba4dcc20f159ad9897b1111d03.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4164

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/4164-0-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/4164-1-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/4164-2-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download