expiro | 03643ee86f4eb18591679eb55403feac2c56b3df552ae3810a18176f58c85a1f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 19:31

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General

Target

03643ee86f4eb18591679eb55403feac2c56b3df552ae3810a18176f58c85a1f.exe
Size

1.1MB
MD5

eba18bf1eb35d4aa920f1523f415cbf8
SHA1

3c0645d49eb1b579e9e6cae64537f9130360ec94
SHA256

03643ee86f4eb18591679eb55403feac2c56b3df552ae3810a18176f58c85a1f
SHA512

24b7649978d8bb8dced2055c12e873b842e48d5c0e0e651524db93fbaaf8978a152558651da16b81f8a321510de02a54c80f52e4aeec4d3c461fc1ba81daef4d
SSDEEP

12288:cKIdUmr4yORf11rgnTSLSgQDVs2ExLj1DFDAD4pCoWb98vL8ns2ExLj1DFDAD4p:BI4lL+TSXQDfetWbQgetWbQ

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/2940-1-0x0000000001000000-0x0000000001252000-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	03643ee86f4eb18591679eb55403feac2c56b3df552ae3810a18176f58c85a1f.exe

C:\Users\Admin\AppData\Local\Temp\03643ee86f4eb18591679eb55403feac2c56b3df552ae3810a18176f58c85a1f.exe
"C:\Users\Admin\AppData\Local\Temp\03643ee86f4eb18591679eb55403feac2c56b3df552ae3810a18176f58c85a1f.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2940

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/2940-0-0x0000000001000000-0x0000000001252000-memory.dmp

Filesize
2.3MB

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memory/2940-1-0x0000000001000000-0x0000000001252000-memory.dmp

Filesize
2.3MB

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