expiro | 4ecdbcd5b318ab7b4a6683cb366cc8a98392a86d022c402c4b41f4ab06bdff49

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-02-2025 09:59

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General

Target

JaffaCakes118_18ea0f11d6e80f3a9e22e1462f93bce0.exe
Size

299KB
MD5

18ea0f11d6e80f3a9e22e1462f93bce0
SHA1

10e6d52fbc3f5ad1ae22f0f7b4047bdde37335f4
SHA256

4ecdbcd5b318ab7b4a6683cb366cc8a98392a86d022c402c4b41f4ab06bdff49
SHA512

c4bd637cb290baece63e42b1bc38ababc8aca7dd3a44ccc941777cc704343fe6b82b358cfc0e2eeb9bee97b95b795c05eede9185b1fe3507dce232d3f5e23ecf
SSDEEP

6144:lmEInRXghT4q8usq/1JT2uy9QI/MNJtAsFS0JP9EBRR8xxsvLXGLdyraZA4kdzz/:lXNOq35m/m9sndGX+3dz

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/2372-2-0x0000000001000000-0x0000000001098000-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_18ea0f11d6e80f3a9e22e1462f93bce0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_18ea0f11d6e80f3a9e22e1462f93bce0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_18ea0f11d6e80f3a9e22e1462f93bce0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2372

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

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Downloads

memory/2372-0-0x0000000001000000-0x0000000001098000-memory.dmp

Filesize
608KB

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memory/2372-1-0x000000000100A000-0x000000000100B000-memory.dmp

Filesize
4KB

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memory/2372-2-0x0000000001000000-0x0000000001098000-memory.dmp

Filesize
608KB

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