expiro | ce5dfe71d8331175ca674979cfd00c8894a4dbd30ffb879fc3f2a9a68e2eb6d6

Analysis

max time kernel
94s
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
04/01/2025, 16:08

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General

Target

JaffaCakes118_7a97f0106b490609755ab1c7d2aa4350.exe
Size

676KB
MD5

7a97f0106b490609755ab1c7d2aa4350
SHA1

8e0dab136f730338ffffa2aa43e9cc3121878255
SHA256

ce5dfe71d8331175ca674979cfd00c8894a4dbd30ffb879fc3f2a9a68e2eb6d6
SHA512

5d8621579c529c424a341bcfb66aaa80a899294e2261756f74a02f78b6779946f2dc0d7472a5443f9a9a0affe00ec7a87186e3e59d7fc00225b00ee9baba7bda
SSDEEP

12288:bcsuGv1kQBjbIsTavDFHbMzG078YkDXq5wNdFKU9oFSA:bh1RjbVTs9O/4YsX5dB

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/920-2-0x0000000000400000-0x00000000005D1000-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_7a97f0106b490609755ab1c7d2aa4350.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a97f0106b490609755ab1c7d2aa4350.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a97f0106b490609755ab1c7d2aa4350.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:920

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/920-0-0x0000000000400000-0x00000000005D1000-memory.dmp

Filesize
1.8MB

Download
memory/920-1-0x0000000000408000-0x0000000000409000-memory.dmp

Filesize
4KB

Download
memory/920-2-0x0000000000400000-0x00000000005D1000-memory.dmp

Filesize
1.8MB

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