expiro | 2fd2952201c8bbbe3a43f5dcbd7814f3bbb5f455b53691af621e9437c5420c1d

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 05:17

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General

Target

2fd2952201c8bbbe3a43f5dcbd7814f3bbb5f455b53691af621e9437c5420c1dN.exe
Size

600KB
MD5

e18b661db533c1178b3430d50bacc490
SHA1

3dc300ac8d4abd9f83e4b21d6cbc7a23af14afa9
SHA256

2fd2952201c8bbbe3a43f5dcbd7814f3bbb5f455b53691af621e9437c5420c1d
SHA512

fbe77337109cac98d15a4898b9bbc23221ce68de79200f017686dba75cac89ee451e384f103c6ddffc6d209eae93453bfe1322a982e9e6037a8147d6bb378778
SSDEEP

12288:gl9nkB1Rext9dUVa/tv3R/rVOTXQJ+RG/Rgc:gl9nFPKVan/8TXhOqc

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/2936-1-0x0000000001000000-0x0000000001255000-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	2fd2952201c8bbbe3a43f5dcbd7814f3bbb5f455b53691af621e9437c5420c1dN.exe

C:\Users\Admin\AppData\Local\Temp\2fd2952201c8bbbe3a43f5dcbd7814f3bbb5f455b53691af621e9437c5420c1dN.exe
"C:\Users\Admin\AppData\Local\Temp\2fd2952201c8bbbe3a43f5dcbd7814f3bbb5f455b53691af621e9437c5420c1dN.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2936

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/2936-0-0x0000000001000000-0x0000000001255000-memory.dmp

Filesize
2.3MB

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memory/2936-1-0x0000000001000000-0x0000000001255000-memory.dmp

Filesize
2.3MB

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