expiro | 74000eca658ee9ef4377604fa46dc01a09ca4d89700f6be7b7d53cf6c9680152

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2024, 16:55

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General

Target

74000eca658ee9ef4377604fa46dc01a09ca4d89700f6be7b7d53cf6c9680152N.exe
Size

594KB
MD5

a36a8659f2f154fc3f0b405ebfc84480
SHA1

3be0f6b4c4b9eeef42abeec3eec481f7bed29aa0
SHA256

74000eca658ee9ef4377604fa46dc01a09ca4d89700f6be7b7d53cf6c9680152
SHA512

c4c6fbd874a9661efbcc377ed7e8a909ce709920e8679cc68df846ef109d3ed5702d44669d9014c9946216da9672bf0ff1c478c0fe90086d016d89b3683f6543
SSDEEP

12288:UMU7R8B7rSMrgO10sCRgNU3CFbcz8uNJ/gst4fy+/Hqd6/rYN+l:UJ7R8B7rSMrX10sKgNSCFbc4uNd14vHM

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/2668-2-0x0000000001000000-0x00000000011B0000-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	74000eca658ee9ef4377604fa46dc01a09ca4d89700f6be7b7d53cf6c9680152N.exe

C:\Users\Admin\AppData\Local\Temp\74000eca658ee9ef4377604fa46dc01a09ca4d89700f6be7b7d53cf6c9680152N.exe
"C:\Users\Admin\AppData\Local\Temp\74000eca658ee9ef4377604fa46dc01a09ca4d89700f6be7b7d53cf6c9680152N.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2668

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/2668-0-0x0000000001000000-0x00000000011B0000-memory.dmp

Filesize
1.7MB

Download
memory/2668-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

Download
memory/2668-2-0x0000000001000000-0x00000000011B0000-memory.dmp

Filesize
1.7MB

Download