expiro | a06bc7885fafb6ac24ec7e5847419d46fd4a29d3c5b2a7c84dc9119ca4a1ba25

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 16:02

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General

Target

JaffaCakes118_18d80076dc1695fb49d9252a85c9a6f0.exe
Size

190KB
MD5

18d80076dc1695fb49d9252a85c9a6f0
SHA1

7ebee3b802bb17f8787b2bf422895a928e049539
SHA256

a06bc7885fafb6ac24ec7e5847419d46fd4a29d3c5b2a7c84dc9119ca4a1ba25
SHA512

e21457a69e24d9975b656c0fb08ebffe319c419a03f4a05b06d8869e23b8676ff99c6e336c7fe4c80e4555f2b1b0cd159f18fa0f100fb88c7cedb7035ebff01a
SSDEEP

3072:HeqZqNdVpve72M5EmrbkpaSrH1eT/1az6um8fg1YEpUWyi9oEeNhtchbRgUxou+2:87p82Mjr4pa+VeDQzbEpUWXneNyRPxo4

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/3040-2-0x0000000001000000-0x000000000107D000-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_18d80076dc1695fb49d9252a85c9a6f0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_18d80076dc1695fb49d9252a85c9a6f0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_18d80076dc1695fb49d9252a85c9a6f0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3040

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/3040-0-0x0000000001000000-0x000000000107D000-memory.dmp

Filesize
500KB

Download
memory/3040-1-0x0000000001002000-0x0000000001003000-memory.dmp

Filesize
4KB

Download
memory/3040-2-0x0000000001000000-0x000000000107D000-memory.dmp

Filesize
500KB

Download