expiro | 579bc3593e099179036f085700d1eed64180ce36588d85583dc91304cf393eab

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
10-01-2025 09:16

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General

Target

JaffaCakes118_e08412673407254f52ea7bc40fbc3bf6.exe
Size

416KB
MD5

e08412673407254f52ea7bc40fbc3bf6
SHA1

1dd5ff0b7f65aad8f14ab52542768f5893a913bd
SHA256

579bc3593e099179036f085700d1eed64180ce36588d85583dc91304cf393eab
SHA512

acd1774eefe1dee0f6e9d862fac52e3fb846e346d282891c1bdce8a3eb489770bbfdcd73f9f2748b1c45badb264c392ee498e42fff735f9e6c27e9390771b951
SSDEEP

12288:tLjViy9ZYUQcIl38KZjQg0prnAbiKusJ2:RjVigZYd5RZjQvpr0fJ

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 4 IoCs

backdoor

resource	yara_rule
behavioral2/memory/696-0-0x000000000087B000-0x000000000090E000-memory.dmp	family_expiro1
behavioral2/memory/696-1-0x0000000000810000-0x000000000090E000-memory.dmp	family_expiro1
behavioral2/memory/696-3-0x0000000000810000-0x000000000090E000-memory.dmp	family_expiro1
behavioral2/memory/696-2-0x000000000087B000-0x000000000090E000-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_e08412673407254f52ea7bc40fbc3bf6.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e08412673407254f52ea7bc40fbc3bf6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e08412673407254f52ea7bc40fbc3bf6.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:696

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/696-0-0x000000000087B000-0x000000000090E000-memory.dmp

Filesize
588KB

Download
memory/696-1-0x0000000000810000-0x000000000090E000-memory.dmp

Filesize
1016KB

Download
memory/696-3-0x0000000000810000-0x000000000090E000-memory.dmp

Filesize
1016KB

Download
memory/696-2-0x000000000087B000-0x000000000090E000-memory.dmp

Filesize
588KB

Download