expiro | 0cfdf407ed4312418c202354f6fc6fae09f035df280fff2d1ebb5a5b713e8320

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 19:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_7b475bb55ebd24925713f7314741b68a.exe
Size

635KB
MD5

7b475bb55ebd24925713f7314741b68a
SHA1

c4216c172849b040f6ea51b7abf8744e6d276098
SHA256

0cfdf407ed4312418c202354f6fc6fae09f035df280fff2d1ebb5a5b713e8320
SHA512

f8b0bf41ae83faaa03fb63f0b9cfc2706d27525043be7649c33fe2f93959d2582c44c112fc35e3d410a68d3998825dd8c7060e1e303cac6464d17c82265f39ef
SSDEEP

12288:WMU7R8B7rSMrgBNHHJuQZ8CMkkVY4xOWcGhjTHklODNTo9ket:WJ7R8B7rSMrmFH9khBhj7dNE9k

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/2128-2-0x0000000001000000-0x00000000011D2000-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_7b475bb55ebd24925713f7314741b68a.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b475bb55ebd24925713f7314741b68a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b475bb55ebd24925713f7314741b68a.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2128

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/2128-0-0x0000000001000000-0x00000000011D2000-memory.dmp

Filesize
1.8MB

Download
memory/2128-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

Download
memory/2128-2-0x0000000001000000-0x00000000011D2000-memory.dmp

Filesize
1.8MB

Download