expiro | 0666bbd94c6ddacffdbb4eae6951923c12a84e9b5a081734c24aea93b2bfbca1

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 19:36

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General

Target

JaffaCakes118_6f0d2894860ffa6438d9d8967f179340.exe
Size

516KB
MD5

6f0d2894860ffa6438d9d8967f179340
SHA1

837fcf9778cf5e19d03e49ba3c043c1ae03614ab
SHA256

0666bbd94c6ddacffdbb4eae6951923c12a84e9b5a081734c24aea93b2bfbca1
SHA512

b2ced8dde582e049860a757ad0b7b09cf7548cc5f82e4233503c1ec460801c341c11b9b086709f503721b2479f699e5e545cd779e876946e48be10914f3a2ce9
SSDEEP

12288:wGZZW23TOmc1ZJ76vlHhM1N8bd+qUbtcY:17W23SbnJ0H6ebdapcY

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/3000-2-0x0000000001000000-0x000000000119D000-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_6f0d2894860ffa6438d9d8967f179340.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f0d2894860ffa6438d9d8967f179340.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f0d2894860ffa6438d9d8967f179340.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3000

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/3000-0-0x0000000001000000-0x000000000119D000-memory.dmp

Filesize
1.6MB

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memory/3000-1-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

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memory/3000-2-0x0000000001000000-0x000000000119D000-memory.dmp

Filesize
1.6MB

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