expiro | 622d11aa1788672b5e591214187ca9a389d86411138842944fe79291b357cc95 | Triage

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Overview

overview

Static

static

3

JaffaCakes...75.exe

windows7-x64

JaffaCakes...75.exe

windows10-2004-x64

Sharing

General

Target

JaffaCakes118_c4e91c65f60a9a8b330485609f718c75
Size

406KB
Sample

250109-lpn8jawndv
MD5

c4e91c65f60a9a8b330485609f718c75
SHA1

adf44e30844dc2cf0c9135811451e8f4ee234d2f
SHA256

622d11aa1788672b5e591214187ca9a389d86411138842944fe79291b357cc95
SHA512

0a397c36336eeb828096692ba1a722e2d4b27d3002d03531e251dfd4e0648751b22ca06070fe18ebd226b3d16f35fb57eae1f15a53c86e466f1ad3fbbeb07e82
SSDEEP

6144:lIzfx0tsmxGjd9suGj4IDhAJSbnVrw8/LppZ2oqIqOEhspJ:4fqOwGTlWLN0Qrw62obqap

Score

10^/10

expiro backdoor discovery evasion trojan

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

JaffaCakes118_c4e91c65f60a9a8b330485609f718c75.exe

Resource

win7-20240903-en

expiro backdoor

windows7-x64

3 signatures

150 seconds

Behavioral task

behavioral2

Sample

JaffaCakes118_c4e91c65f60a9a8b330485609f718c75.exe

Resource

win10v2004-20241007-en

expiro backdoor discovery evasion trojan

windows10-2004-x64

19 signatures

150 seconds

Malware Config

Targets

- Target
  
  JaffaCakes118_c4e91c65f60a9a8b330485609f718c75
- Size
  
  406KB
- MD5
  
  c4e91c65f60a9a8b330485609f718c75
- SHA1
  
  adf44e30844dc2cf0c9135811451e8f4ee234d2f
- SHA256
  
  622d11aa1788672b5e591214187ca9a389d86411138842944fe79291b357cc95
- SHA512
  
  0a397c36336eeb828096692ba1a722e2d4b27d3002d03531e251dfd4e0648751b22ca06070fe18ebd226b3d16f35fb57eae1f15a53c86e466f1ad3fbbeb07e82
- SSDEEP
  
  6144:lIzfx0tsmxGjd9suGj4IDhAJSbnVrw8/LppZ2oqIqOEhspJ:4fqOwGTlWLN0Qrw62obqap
Score

10^/10

expiro backdoor discovery evasion trojan
- Expiro family
  expiro
- Expiro, m0yv
  Expiro aka m0yv is a multi-functional backdoor written in C++.
  backdoor expiro
- Expiro payload
  backdoor
- Disables taskbar notifications via registry modification
  evasion
- Executes dropped EXE
- Windows security modification
  evasion trojan
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Impair Defenses

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

expirobackdoordiscoveryevasiontrojan

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