expiro | e40cf5f563bf3d1cb496efada0fd24d02dafef11fd4c883409119f112b4844b0

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 19:00

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General

Target

JaffaCakes118_6771bf9eb822a0f324cd6bc073392260.exe
Size

701KB
MD5

6771bf9eb822a0f324cd6bc073392260
SHA1

cd2b3895225e7d9cb90d4bcf36fea34552317042
SHA256

e40cf5f563bf3d1cb496efada0fd24d02dafef11fd4c883409119f112b4844b0
SHA512

0e9be825ed3776b98f693af76c5e4cc9f9fc219b80f92ed69b372195a16937f9f9ac3c2d1dce2846d1059019e24cdaa31752aaecda7978306e6b25ba4bf13ae0
SSDEEP

12288:ONWDKVAQRyJ25TK63lkpBxGSoSiaHzKvqWlllmyKCvZoLFp80MeU:ONWEIJ25TKnBx1FTJWllkyHvZoBp8Xe

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
behavioral2/memory/3116-2-0x0000000001000000-0x0000000001279000-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_6771bf9eb822a0f324cd6bc073392260.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6771bf9eb822a0f324cd6bc073392260.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6771bf9eb822a0f324cd6bc073392260.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3116

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/3116-0-0x0000000001000000-0x0000000001279000-memory.dmp

Filesize
2.5MB

Download
memory/3116-1-0x0000000001011000-0x0000000001012000-memory.dmp

Filesize
4KB

Download
memory/3116-2-0x0000000001000000-0x0000000001279000-memory.dmp

Filesize
2.5MB

Download