expiro | 3de600377bb64f66932d61d9c0c594b4be2fc0fe19c894141f026033f77385f1

Analysis

max time kernel
104s
max time network
118s
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, 00:20

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General

Target

3de600377bb64f66932d61d9c0c594b4be2fc0fe19c894141f026033f77385f1.exe
Size

1.4MB
MD5

eae059a787a78ad24d0c7c5bb8cbc3ac
SHA1

3890b1ab7080aba643a3b5061e1b47bcb5b4ba20
SHA256

3de600377bb64f66932d61d9c0c594b4be2fc0fe19c894141f026033f77385f1
SHA512

473ff6a7f42addcfb32efd56bc967f3d03552d76dc635607ecabfb3ecc2c3f5a8cc51d9e2b63ba9041ab5d9f8410e0314c9e40ede7753991761527ca27076db9
SSDEEP

24576:+FEThPI6jcP/q/+kczEVpSSsLZ1CcSPMCtPzcEEoqh7TKbG3dL:+FEMJkIyMSsLZ1C7PMCNzuorC

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/3208-2-0x0000000000400000-0x000000000073D000-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	3de600377bb64f66932d61d9c0c594b4be2fc0fe19c894141f026033f77385f1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3208	3de600377bb64f66932d61d9c0c594b4be2fc0fe19c894141f026033f77385f1.exe
3208	3de600377bb64f66932d61d9c0c594b4be2fc0fe19c894141f026033f77385f1.exe

C:\Users\Admin\AppData\Local\Temp\3de600377bb64f66932d61d9c0c594b4be2fc0fe19c894141f026033f77385f1.exe
"C:\Users\Admin\AppData\Local\Temp\3de600377bb64f66932d61d9c0c594b4be2fc0fe19c894141f026033f77385f1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3208

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/3208-0-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download
memory/3208-1-0x000000000046C000-0x000000000046D000-memory.dmp

Filesize
4KB

Download
memory/3208-2-0x0000000000400000-0x000000000073D000-memory.dmp

Filesize
3.2MB

Download