expiro | 3e4d2e502eec7e44c49f885a27faaac5cdd2b0fc5a1d8a77a85e6c4ed2e0764b

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 22:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_689d7efa15a77b10c936cb405c3a2b6e.exe
Size

556KB
MD5

689d7efa15a77b10c936cb405c3a2b6e
SHA1

e2d29fe0377f85f96af8712bb18ead74282880e9
SHA256

3e4d2e502eec7e44c49f885a27faaac5cdd2b0fc5a1d8a77a85e6c4ed2e0764b
SHA512

1713db74ca49414d4084b3a433e371454fa4ab716c334cfe7f785e7dd8180586c5b921a50a6c45dd535cef06d5e16a940f97ff346c1d457f02e50a5b7a7eae43
SSDEEP

12288:rmf2zeomuWNuyOXvh7avwXXtTk/D7kKzyz0Et7p:o2zouRpvdAMmLc7

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/2996-2-0x0000000001000000-0x00000000011B7000-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_689d7efa15a77b10c936cb405c3a2b6e.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_689d7efa15a77b10c936cb405c3a2b6e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_689d7efa15a77b10c936cb405c3a2b6e.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2996

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/2996-0-0x0000000001000000-0x00000000011B7000-memory.dmp

Filesize
1.7MB

Download
memory/2996-1-0x0000000001003000-0x0000000001004000-memory.dmp

Filesize
4KB

Download
memory/2996-2-0x0000000001000000-0x00000000011B7000-memory.dmp

Filesize
1.7MB

Download