expiro | 57a611a9f2602fadde42694a864a94b75c41934656d505c24e02e8c154d440ba | Triage

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Overview

overview

Static

static

3

JaffaCakes...a1.exe

windows7-x64

JaffaCakes...a1.exe

windows10-2004-x64

Sharing

General

Target

JaffaCakes118_cdbb18b0a3903626fbc79229f066a9a1
Size

406KB
Sample

250109-vw3h6svqds
MD5

cdbb18b0a3903626fbc79229f066a9a1
SHA1

5a53bc89d07b97c10a688e49c9d6e9f8eb99d918
SHA256

57a611a9f2602fadde42694a864a94b75c41934656d505c24e02e8c154d440ba
SHA512

9c4449fd1601fa32843c05921261ad4d9c973343bc90ab767ecea4d2819d14fe83f15eea170b8d6ec3da3580ccfdc73113b89aaa941ae32197a255c1a6cab32b
SSDEEP

6144:UIzfx0tsmxGjd9suGjLIDhAJSbnVrw8/LppZ2oqIqOEhspJ:LfqOwGTlWcN0Qrw62obqap

Score

10^/10

expiro backdoor discovery evasion trojan

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

JaffaCakes118_cdbb18b0a3903626fbc79229f066a9a1.exe

Resource

win7-20240903-en

expiro backdoor

windows7-x64

3 signatures

150 seconds

Behavioral task

behavioral2

Sample

JaffaCakes118_cdbb18b0a3903626fbc79229f066a9a1.exe

Resource

win10v2004-20241007-en

expiro backdoor discovery evasion trojan

windows10-2004-x64

19 signatures

150 seconds

Malware Config

Targets

- Target
  
  JaffaCakes118_cdbb18b0a3903626fbc79229f066a9a1
- Size
  
  406KB
- MD5
  
  cdbb18b0a3903626fbc79229f066a9a1
- SHA1
  
  5a53bc89d07b97c10a688e49c9d6e9f8eb99d918
- SHA256
  
  57a611a9f2602fadde42694a864a94b75c41934656d505c24e02e8c154d440ba
- SHA512
  
  9c4449fd1601fa32843c05921261ad4d9c973343bc90ab767ecea4d2819d14fe83f15eea170b8d6ec3da3580ccfdc73113b89aaa941ae32197a255c1a6cab32b
- SSDEEP
  
  6144:UIzfx0tsmxGjd9suGjLIDhAJSbnVrw8/LppZ2oqIqOEhspJ:LfqOwGTlWcN0Qrw62obqap
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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