expiro | 7c9966301ef6631298ddcc0d8ef36d7df2464cdaa9217b6ec1ec686c740b37f6 | Triage

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Overview

overview

Static

static

3

7c9966301e...f6.exe

windows7-x64

7c9966301e...f6.exe

windows10-2004-x64

Sharing

General

Target

7c9966301ef6631298ddcc0d8ef36d7df2464cdaa9217b6ec1ec686c740b37f6
Size

772KB
Sample

250104-bsdwvstmay
MD5

68029b2bf01d687a4661d4b61a2f0740
SHA1

b9431ba2ae320295935f70a68764c387a9450411
SHA256

7c9966301ef6631298ddcc0d8ef36d7df2464cdaa9217b6ec1ec686c740b37f6
SHA512

1c7f5ab2bad06d24f2b49a8c6b34f60954aabd9abfc2d879c6b1eda7614c4f044bbb6262f015f2ed421e4966b06bf9c693ca854ba17146e7c33830984ea689c0
SSDEEP

24576:mVzwix9dfixVZ1L61ePrXxW4T0tfEEL0uX:eDNfixU12TxcxEEY

Score

10^/10

expiro backdoor credential_access discovery spyware stealer

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

7c9966301ef6631298ddcc0d8ef36d7df2464cdaa9217b6ec1ec686c740b37f6.exe

Resource

win7-20241010-en

expiro backdoor credential_access discovery spyware stealer

windows7-x64

18 signatures

150 seconds

Behavioral task

behavioral2

Sample

7c9966301ef6631298ddcc0d8ef36d7df2464cdaa9217b6ec1ec686c740b37f6.exe

Resource

win10v2004-20241007-en

expiro backdoor credential_access discovery spyware stealer

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  7c9966301ef6631298ddcc0d8ef36d7df2464cdaa9217b6ec1ec686c740b37f6
- Size
  
  772KB
- MD5
  
  68029b2bf01d687a4661d4b61a2f0740
- SHA1
  
  b9431ba2ae320295935f70a68764c387a9450411
- SHA256
  
  7c9966301ef6631298ddcc0d8ef36d7df2464cdaa9217b6ec1ec686c740b37f6
- SHA512
  
  1c7f5ab2bad06d24f2b49a8c6b34f60954aabd9abfc2d879c6b1eda7614c4f044bbb6262f015f2ed421e4966b06bf9c693ca854ba17146e7c33830984ea689c0
- SSDEEP
  
  24576:mVzwix9dfixVZ1L61ePrXxW4T0tfEEL0uX:eDNfixU12TxcxEEY
Score

10^/10

expiro backdoor credential_access discovery spyware stealer
- 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
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Unsecured Credentials: Credentials In Files
  Steal credentials from unsecured files.
  credential_access stealer
- Drops Chrome extension
- 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

Credential Access

Credentials from Password Stores

Credentials from Web Browsers

Unsecured Credentials

Credentials In Files

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

expirobackdoorcredential_accessdiscoveryspywarestealer

behavioral2

expirobackdoorcredential_accessdiscoveryspywarestealer

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