expiro | ce537574f5ea53a2516d54223858cb9c3b2f196c9484f8930ae312f148e9ae0b

Analysis

max time kernel
15s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 14:31

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General

Target

JaffaCakes118_7a34a29649c5e923ad145a8075c043f9.exe
Size

633KB
MD5

7a34a29649c5e923ad145a8075c043f9
SHA1

740c5249996355910691193c1e44246264badee4
SHA256

ce537574f5ea53a2516d54223858cb9c3b2f196c9484f8930ae312f148e9ae0b
SHA512

db4d266adeee1e5c59e96d19b239d0d6723dd1b5476706fe000da927d9a9eda0911b2fa3651d19adbccff1b1b304c3a5be4b228ec34a8fa81aac2c7446b54f05
SSDEEP

12288:FhVwoBUHYQEtSJonpPS7DmFf+eaqrotdy87ZT5em7z/q9BsoKsoK:FhVNKH6SJonpPMwoq81T5ekDq9Bsn

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/2344-2-0x0000000000400000-0x0000000000663000-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_7a34a29649c5e923ad145a8075c043f9.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a34a29649c5e923ad145a8075c043f9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7a34a29649c5e923ad145a8075c043f9.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2344

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

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Downloads

memory/2344-0-0x0000000000400000-0x0000000000663000-memory.dmp

Filesize
2.4MB

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memory/2344-1-0x000000000040C000-0x000000000040D000-memory.dmp

Filesize
4KB

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memory/2344-2-0x0000000000400000-0x0000000000663000-memory.dmp

Filesize
2.4MB

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