expiro | 8f02ff6500b731b241c3617f859980fce2b591d3abb1c0bc66b7677341154db1

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 20:29

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General

Target

JaffaCakes118_7b9c17f32feb176036796344b0f410d0.exe
Size

615KB
MD5

7b9c17f32feb176036796344b0f410d0
SHA1

746298200472bc822b22b35ce565fec70f92ca7f
SHA256

8f02ff6500b731b241c3617f859980fce2b591d3abb1c0bc66b7677341154db1
SHA512

ed6449771402a891f996482eabf26d9e63d19fa88d116acf138cfd24df5956d728625909e7b412ca11feae6daec3289b21a0dd3d6cad49d2b684d4346380c5f6
SSDEEP

12288:16778G5wVXfGdhLSBOx8PXkR3uek+l9P9:1677iVX+L23Pm3S+Tl

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
behavioral2/memory/4628-2-0x0000000001000000-0x0000000001259000-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_7b9c17f32feb176036796344b0f410d0.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b9c17f32feb176036796344b0f410d0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7b9c17f32feb176036796344b0f410d0.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4628

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/4628-0-0x0000000001000000-0x0000000001259000-memory.dmp

Filesize
2.3MB

Download
memory/4628-1-0x0000000001001000-0x0000000001003000-memory.dmp

Filesize
8KB

Download
memory/4628-2-0x0000000001000000-0x0000000001259000-memory.dmp

Filesize
2.3MB

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