expiro | 9ee4a71c8b68508a9267c165bff3f4b65d2906674d28cb11792c7d621d52f85d

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 15:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_cb6228336699f30911dd1c20c45f03af.exe
Size

457KB
MD5

cb6228336699f30911dd1c20c45f03af
SHA1

925b3e1b55b71328428712eca9a52744a7ce76b3
SHA256

9ee4a71c8b68508a9267c165bff3f4b65d2906674d28cb11792c7d621d52f85d
SHA512

d315d95c09d654d5514e1281626547a84f48a895407fd08ba977f8debd86f39a4b68f6a5d0ebfb07c734be39d3cd6a507b63a2a3c833af62f7a972d53ea2c811
SSDEEP

6144:uZAEOK99kXqyPj/7Ar9//kfCj12mGWafhOIPUwIcfp9faUERHNKSA+Q0kbTCXVb:uCqyPAr9/s5W8049fa7Nq+GHgV

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 4 IoCs

backdoor

resource	yara_rule
behavioral1/memory/2236-0-0x0000000010074000-0x0000000010108000-memory.dmp	family_expiro1
behavioral1/memory/2236-1-0x0000000010000000-0x0000000010108000-memory.dmp	family_expiro1
behavioral1/memory/2236-2-0x0000000010074000-0x0000000010108000-memory.dmp	family_expiro1
behavioral1/memory/2236-3-0x0000000010000000-0x0000000010108000-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_cb6228336699f30911dd1c20c45f03af.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cb6228336699f30911dd1c20c45f03af.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cb6228336699f30911dd1c20c45f03af.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2236

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

Loading Replay Monitor...

Downloads

memory/2236-0-0x0000000010074000-0x0000000010108000-memory.dmp

Filesize
592KB

Download
memory/2236-1-0x0000000010000000-0x0000000010108000-memory.dmp

Filesize
1.0MB

Download
memory/2236-2-0x0000000010074000-0x0000000010108000-memory.dmp

Filesize
592KB

Download
memory/2236-3-0x0000000010000000-0x0000000010108000-memory.dmp

Filesize
1.0MB

Download