expiro | 4ac5b8eadc4f8a93f73e638ca3cf8cba83717061462fef44fdb1043c3eff0974 | Triage

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Reports

Overview

overview

Static

static

3

4ac5b8eadc...4N.exe

windows7-x64

4ac5b8eadc...4N.exe

windows10-2004-x64

1

Sharing

General

Target

4ac5b8eadc4f8a93f73e638ca3cf8cba83717061462fef44fdb1043c3eff0974N.exe
Size

593KB
Sample

241215-3mxkkavjhl
MD5

37e9395fb51958c6fa65c8ed3b6748f0
SHA1

3d939495657a5144455f2baaf7602242a8b1814b
SHA256

4ac5b8eadc4f8a93f73e638ca3cf8cba83717061462fef44fdb1043c3eff0974
SHA512

d9dac76c3e1680ba8294969e3d39040ef9b856d3dc9371fb6d30e0dd1962d2ab09acb642c1cf9c0066454a3865f8eaa906fa557fc96ce1d1fb6e4a61d0748ba9
SSDEEP

6144:1RjDh4C6OTCSEijJ/IV5CWLAk0PlyD7mm8BktdtU8Waw5B9hhdPAFAEtmM9psA4Q:1zDxTgijJ/yD7sSdt1/OvxCtsHbU2g9

Score

10^/10

expiro backdoor discovery

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

4ac5b8eadc4f8a93f73e638ca3cf8cba83717061462fef44fdb1043c3eff0974N.exe

Resource

win7-20241010-en

expiro backdoor discovery

windows7-x64

9 signatures

120 seconds

Behavioral task

behavioral2

Sample

4ac5b8eadc4f8a93f73e638ca3cf8cba83717061462fef44fdb1043c3eff0974N.exe

Resource

win10v2004-20241007-en

windows10-2004-x64

0 signatures

120 seconds

Malware Config

Targets

- Target
  
  4ac5b8eadc4f8a93f73e638ca3cf8cba83717061462fef44fdb1043c3eff0974N.exe
- Size
  
  593KB
- MD5
  
  37e9395fb51958c6fa65c8ed3b6748f0
- SHA1
  
  3d939495657a5144455f2baaf7602242a8b1814b
- SHA256
  
  4ac5b8eadc4f8a93f73e638ca3cf8cba83717061462fef44fdb1043c3eff0974
- SHA512
  
  d9dac76c3e1680ba8294969e3d39040ef9b856d3dc9371fb6d30e0dd1962d2ab09acb642c1cf9c0066454a3865f8eaa906fa557fc96ce1d1fb6e4a61d0748ba9
- SSDEEP
  
  6144:1RjDh4C6OTCSEijJ/IV5CWLAk0PlyD7mm8BktdtU8Waw5B9hhdPAFAEtmM9psA4Q:1zDxTgijJ/yD7sSdt1/OvxCtsHbU2g9
Score

10^/10

expiro backdoor discovery
- Expiro family
  expiro
- Expiro, m0yv
  Expiro aka m0yv is a multi-functional backdoor written in C++.
  backdoor expiro
- Expiro payload
  backdoor
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

expirobackdoordiscovery

behavioral2

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