expiro | 6208129c22f0b6f8617a049833af944ac0c3868dd7cd1a39f11795ad166cf56b

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 07:55

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General

Target

6208129c22f0b6f8617a049833af944ac0c3868dd7cd1a39f11795ad166cf56bN.exe
Size

667KB
MD5

b4bc578ee198b1c91da2b4c57e43b210
SHA1

3d9fad0673dec97759452d1b9bba411593c51cfd
SHA256

6208129c22f0b6f8617a049833af944ac0c3868dd7cd1a39f11795ad166cf56b
SHA512

6f47010c5e17dc50f389c27077875166d0baebd002ca1f6c1231c99168675b7007b6e7e4f7abc617fade1103d976991d4b45d0eaf10c11ae69be21dfefa31f75
SSDEEP

12288:EMf7R8Bdrvn+kf/X38405OWQS/Wwf27PYMHgD7/mVUOqPAKBGGc:E27R8BNfFfP8405OWQS/WwfKPYWgn/mH

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/2084-2-0x0000000001000000-0x000000000126C000-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	6208129c22f0b6f8617a049833af944ac0c3868dd7cd1a39f11795ad166cf56bN.exe

C:\Users\Admin\AppData\Local\Temp\6208129c22f0b6f8617a049833af944ac0c3868dd7cd1a39f11795ad166cf56bN.exe
"C:\Users\Admin\AppData\Local\Temp\6208129c22f0b6f8617a049833af944ac0c3868dd7cd1a39f11795ad166cf56bN.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2084

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/2084-0-0x0000000001000000-0x000000000126C000-memory.dmp

Filesize
2.4MB

Download
memory/2084-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

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memory/2084-2-0x0000000001000000-0x000000000126C000-memory.dmp

Filesize
2.4MB

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