expiro | b7d47cd82c1e0f1a9af50d33bc52576d21302b5893116cc44a8a0c14b805c9d4

Analysis

max time kernel
95s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 14:29

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General

Target

JaffaCakes118_6d4d81e46e29a5dbaec6671abb691460.exe
Size

589KB
MD5

6d4d81e46e29a5dbaec6671abb691460
SHA1

99dcdb5e2e55e0f62f53d2d3132498b40a9ce7a4
SHA256

b7d47cd82c1e0f1a9af50d33bc52576d21302b5893116cc44a8a0c14b805c9d4
SHA512

c4ef2f2cb2befa8fd1d8eb36448e6844318c14e2b31f6c48cf493d2035a4277807f3e31e12df92624c85408a4817b52ecbd962cff8541874db06795c8ca4e737
SSDEEP

12288:YMf7R8BnSk5yWS3rT7AfPeNhD/i6NrlBZsdKXVltb8tW:Y27R8Bn75tS3fEmhDzlBKcXVltYW

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/2932-2-0x0000000001000000-0x00000000011B8000-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_6d4d81e46e29a5dbaec6671abb691460.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d4d81e46e29a5dbaec6671abb691460.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d4d81e46e29a5dbaec6671abb691460.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2932

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/2932-0-0x0000000001000000-0x00000000011B8000-memory.dmp

Filesize
1.7MB

Download
memory/2932-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

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memory/2932-2-0x0000000001000000-0x00000000011B8000-memory.dmp

Filesize
1.7MB

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