expiro | 54ce70f904b3342edca298ff37bac784f0464ef409e6cbb26e7acb988b40ade1

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
21/01/2025, 13:26

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General

Target

JaffaCakes118_04d7404c44bf29096c79b7afd603c7f3.exe
Size

225KB
MD5

04d7404c44bf29096c79b7afd603c7f3
SHA1

7966bedff24943384429c7f8eb19a48590b3844c
SHA256

54ce70f904b3342edca298ff37bac784f0464ef409e6cbb26e7acb988b40ade1
SHA512

821c54ebcae28b17504abc5f1cd2c70240272c27ffda57d6c0da995f2263fdcc763a9fbf0f19b90ad95470ce40fe618c25cf0da367e0d0cd4caf6c1dbe0dead1
SSDEEP

3072:6Q1o8VemdoGZEXt00Qr0IYHCZ6X5TnYodfDiFUGPnfHMxjhf2dZJq0zhuOnMKw:6j8VeEBo1H4GYKDwPaj5Gv

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/2400-2-0x0000000001000000-0x0000000001085000-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_04d7404c44bf29096c79b7afd603c7f3.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04d7404c44bf29096c79b7afd603c7f3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04d7404c44bf29096c79b7afd603c7f3.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2400

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/2400-0-0x0000000001000000-0x0000000001085000-memory.dmp

Filesize
532KB

Download
memory/2400-1-0x0000000001005000-0x0000000001006000-memory.dmp

Filesize
4KB

Download
memory/2400-2-0x0000000001000000-0x0000000001085000-memory.dmp

Filesize
532KB

Download