expiro | 5787f1af30e0fefa14156fa5ceb03790802387df0b60b0dda3011604f082bdcf

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 03:15

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General

Target

JaffaCakes118_69e5eb057edc181bdc3490b92cda34c0.exe
Size

239KB
MD5

69e5eb057edc181bdc3490b92cda34c0
SHA1

3610c53a347142ad3a82cb7f7b35349a92d54b03
SHA256

5787f1af30e0fefa14156fa5ceb03790802387df0b60b0dda3011604f082bdcf
SHA512

99537e6aee63aa4dc247d519c9c8725cadf6a1171f10e5c7c4cbafe75888cdd9235464f0a07a62a799fabd5f1549e6666e0e4c60f40e9139cbf6ee9cbf418a35
SSDEEP

6144:70KJ33E31fafgEf/v94qhCVln1FCGA2YD7u:Xd031flChCVlnHB2

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/844-2-0x0000000001000000-0x000000000115D000-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_69e5eb057edc181bdc3490b92cda34c0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69e5eb057edc181bdc3490b92cda34c0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69e5eb057edc181bdc3490b92cda34c0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:844

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/844-0-0x0000000001000000-0x000000000115D000-memory.dmp

Filesize
1.4MB

Download
memory/844-1-0x0000000001005000-0x0000000001006000-memory.dmp

Filesize
4KB

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memory/844-2-0x0000000001000000-0x000000000115D000-memory.dmp

Filesize
1.4MB

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