expiro | 9323d03e89a0b97e674ea106d3e2887040140629630781a9f535f82b1bbf4ac3

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 02:46

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General

Target

9323d03e89a0b97e674ea106d3e2887040140629630781a9f535f82b1bbf4ac3.exe
Size

600KB
MD5

4c730a76446a81bc8925e04dcaad5631
SHA1

186e0471dbac2f921fc49f654fc4504842b8b1bc
SHA256

9323d03e89a0b97e674ea106d3e2887040140629630781a9f535f82b1bbf4ac3
SHA512

bd88fcea29f83eb4807b0e43deac10bfa5ae28424770ce911e2d7b8d708ad179458a5036518c19f15126294735e376e84c785652f94dca5632dfed76aaff6864
SSDEEP

12288:gl9nkB1Rext9dUVa/tv3R/rVOTXQJ+RG/RgcU:gl9nFPKVan/8TXhOqcU

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/3784-2-0x0000000001000000-0x0000000001255000-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	9323d03e89a0b97e674ea106d3e2887040140629630781a9f535f82b1bbf4ac3.exe

C:\Users\Admin\AppData\Local\Temp\9323d03e89a0b97e674ea106d3e2887040140629630781a9f535f82b1bbf4ac3.exe
"C:\Users\Admin\AppData\Local\Temp\9323d03e89a0b97e674ea106d3e2887040140629630781a9f535f82b1bbf4ac3.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3784

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/3784-0-0x0000000001000000-0x0000000001255000-memory.dmp

Filesize
2.3MB

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memory/3784-1-0x0000000001005000-0x0000000001006000-memory.dmp

Filesize
4KB

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memory/3784-2-0x0000000001000000-0x0000000001255000-memory.dmp

Filesize
2.3MB

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