expiro | 2bfb32b4699fcd7b8061f70f517cb08abf5a0c01ce515e5d8b437bac14385834

Analysis

max time kernel
66s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 02:35

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General

Target

JaffaCakes118_69b39da7efbfa6c986e6e215d35b7290.exe
Size

501KB
MD5

69b39da7efbfa6c986e6e215d35b7290
SHA1

916991c2ce6f7cc2e4873de608687c7bff634c10
SHA256

2bfb32b4699fcd7b8061f70f517cb08abf5a0c01ce515e5d8b437bac14385834
SHA512

b89daa15f07f2b15b602f05a25b98f994141d371a8ef1b1ab656216726bc42a67dc1cb0d2d617a0dfbf478232682583d6743e056147ab17befacd69be7e2116a
SSDEEP

6144:NhK9K67liNZr67uosOUlo40qeyZIn8gEmvCwmRFOUM6rWjQ9FbqUvRZv8v6jyOqB:DMT7um1YYtUK6rWQhvRZEv6jfIqg+Yy

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/2804-2-0x0000000001000000-0x00000000011A2000-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	JaffaCakes118_69b39da7efbfa6c986e6e215d35b7290.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69b39da7efbfa6c986e6e215d35b7290.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69b39da7efbfa6c986e6e215d35b7290.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2804

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/2804-0-0x0000000001000000-0x00000000011A2000-memory.dmp

Filesize
1.6MB

Download
memory/2804-2-0x0000000001000000-0x00000000011A2000-memory.dmp

Filesize
1.6MB

Download
memory/2804-1-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

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