expiro | b12483974354ca0907ec1d440e9dd067be58d05713cc42a6fe8b7d123cab93f0

Analysis

max time kernel
94s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 14:52

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General

Target

JaffaCakes118_7a4c24873d2241d6f197f1ee79741cba.exe
Size

621KB
MD5

7a4c24873d2241d6f197f1ee79741cba
SHA1

7717d9b8e48618667ed296adbed3aac9173efbbe
SHA256

b12483974354ca0907ec1d440e9dd067be58d05713cc42a6fe8b7d123cab93f0
SHA512

69aaf55d631dfab6dbd12452a4f799767b3e94f5d0bd0f3fd4847c18b9d4c109ab36612c2e4e4e33c363c0ee9e5d1d8ee1a984df33c262116fe5103a9c392193
SSDEEP

12288:Hi7hn9EfxUioMtIvLdX1eN6xIbBtZ1Y87u40Pb+mGCJ1J92R:Hi7sfxmMtA6YQtjdH0LGCzJg

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/4376-2-0x0000000001000000-0x00000000011C0000-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_7a4c24873d2241d6f197f1ee79741cba.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a4c24873d2241d6f197f1ee79741cba.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a4c24873d2241d6f197f1ee79741cba.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4376

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/4376-0-0x0000000001000000-0x00000000011C0000-memory.dmp

Filesize
1.8MB

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memory/4376-1-0x0000000001001000-0x0000000001003000-memory.dmp

Filesize
8KB

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memory/4376-2-0x0000000001000000-0x00000000011C0000-memory.dmp

Filesize
1.8MB

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