expiro | 4ea569fcbf159b19e7159f1647acc8620e32c5ec662a849af0e215da646339e5

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04/01/2025, 18:24 UTC

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General

Target

JaffaCakes118_7b2631248d3439ddab27b07695791460.exe
Size

588KB
MD5

7b2631248d3439ddab27b07695791460
SHA1

4d6a32f851bc28860a6252e50bc1d6ca167e8cb8
SHA256

4ea569fcbf159b19e7159f1647acc8620e32c5ec662a849af0e215da646339e5
SHA512

ec808558749075664f38f845dfe0cbdcaa97b8a8126897068894fb24707e026975489f421e90e7a2fcf29858d414f72c63f34cea5abbba6d54cdab0b1ab13d7b
SSDEEP

12288:NSy95RPCrTcpCuKOE9lmh4nyYHQFMXFvKDmusj28X:4yz/ZgI4Ek28

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/2832-2-0x0000000001000000-0x00000000011C9000-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_7b2631248d3439ddab27b07695791460.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b2631248d3439ddab27b07695791460.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b2631248d3439ddab27b07695791460.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2832

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/2832-0-0x0000000001000000-0x00000000011C9000-memory.dmp

Filesize
1.8MB

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memory/2832-1-0x0000000001001000-0x0000000001002000-memory.dmp

Filesize
4KB

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memory/2832-2-0x0000000001000000-0x00000000011C9000-memory.dmp

Filesize
1.8MB

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