expiro | 5abb64381a623acc962a02fdbb29fb9422088bd4be8696caa417f07b887687b7

Analysis

max time kernel
93s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 23:34

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General

Target

5abb64381a623acc962a02fdbb29fb9422088bd4be8696caa417f07b887687b7.exe
Size

569KB
MD5

d3636639ecc72c020bf9ba0895fa6cc9
SHA1

9ac9f5d768b4bc04db29d3fa108d0ff1b5886921
SHA256

5abb64381a623acc962a02fdbb29fb9422088bd4be8696caa417f07b887687b7
SHA512

e5cd4491ebdbcdf94e1b9e8fcd71490ed9863a8c75326e5da771156dc5c67f7a1116338fab5d0d5616d69f30be1cd6eb716f7952d414c329358e35e8b2802c73
SSDEEP

12288:4qs7UX0DUNO0bsGinywg99wQ9FdcNVzQWXfGPjPhErnO:4qs00DUN9sGtP99wQRcNVMWX+Pii

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/436-2-0x0000000001000000-0x00000000011B3000-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	5abb64381a623acc962a02fdbb29fb9422088bd4be8696caa417f07b887687b7.exe

C:\Users\Admin\AppData\Local\Temp\5abb64381a623acc962a02fdbb29fb9422088bd4be8696caa417f07b887687b7.exe
"C:\Users\Admin\AppData\Local\Temp\5abb64381a623acc962a02fdbb29fb9422088bd4be8696caa417f07b887687b7.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:436

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/436-0-0x0000000001000000-0x00000000011B3000-memory.dmp

Filesize
1.7MB

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memory/436-1-0x0000000001011000-0x0000000001012000-memory.dmp

Filesize
4KB

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memory/436-2-0x0000000001000000-0x00000000011B3000-memory.dmp

Filesize
1.7MB

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