expiro | 28a467606a9a55bb1dc6b296cf5ec0916c53fee7fdb843d34b4929c5e806678d

Analysis

max time kernel
149s
max time network
151s
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 23:01

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General

Target

JaffaCakes118_68be8b7ab3e3c0b6253d61d37692a602.exe
Size

1.2MB
MD5

68be8b7ab3e3c0b6253d61d37692a602
SHA1

13100f91c97761c0166f55d90ed647658bc11ac7
SHA256

28a467606a9a55bb1dc6b296cf5ec0916c53fee7fdb843d34b4929c5e806678d
SHA512

6fc5e0f4c89edaaf6c60a347cea0c15dff838f5db73997ea627c146926af5238d7bbe8d63472f611c7fcf383f7e16123bd4878fd6ddffdadfe51c050dad67523
SSDEEP

24576:FsNVVfbEzNuK3kl721nJeWqn0Wrn6p/+QlNW9YqWOl1Ecflu11lT:ONVVfbEK723eWqXn6koqWOI

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/1096-2-0x0000000060000000-0x00000000602F4000-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_68be8b7ab3e3c0b6253d61d37692a602.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68be8b7ab3e3c0b6253d61d37692a602.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68be8b7ab3e3c0b6253d61d37692a602.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:1096

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/1096-0-0x0000000060000000-0x00000000602F4000-memory.dmp

Filesize
3.0MB

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memory/1096-1-0x000000006003A000-0x000000006003C000-memory.dmp

Filesize
8KB

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memory/1096-2-0x0000000060000000-0x00000000602F4000-memory.dmp

Filesize
3.0MB

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