expiro | 449cbd3197a8d3fbc33b87a14f1388ea0fdc47cc49b58fc16d535e10a2dd1b58

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-02-2025 01:43

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General

Target

JaffaCakes118_02c0f3c9521c7c0e2f50df3467cb25a0.exe
Size

315KB
MD5

02c0f3c9521c7c0e2f50df3467cb25a0
SHA1

d8c66be7f8ab13676fafccf7a585e0297af333a1
SHA256

449cbd3197a8d3fbc33b87a14f1388ea0fdc47cc49b58fc16d535e10a2dd1b58
SHA512

18db5dd76d51f0312ef591ab18843f78568701feaf058f4f9b506ffaca74a51830025e98dbaa2735f569af0410b6d53a8a6339cf8fd209d40b2f9be74d094b42
SSDEEP

6144:ZmEInRXghTIq8usq/1JT2uy9QlN0+q9pAVHU11f3lfwBXFuXzgAmpjo9FWa78w:ZX9Oq35BVYs4NcPw

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/2104-2-0x0000000001000000-0x0000000001168000-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_02c0f3c9521c7c0e2f50df3467cb25a0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02c0f3c9521c7c0e2f50df3467cb25a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02c0f3c9521c7c0e2f50df3467cb25a0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2104

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/2104-0-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

Download
memory/2104-1-0x000000000100A000-0x000000000100B000-memory.dmp

Filesize
4KB

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memory/2104-2-0x0000000001000000-0x0000000001168000-memory.dmp

Filesize
1.4MB

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