expiro | 40c7a2750beb5e3d1a6902909b9eca2182a3a177693fc9df0895914357f37ed5 | Triage

Sharing

General

Target

JaffaCakes118_b301edcdd3eb036386a7a50de1955e9d
Size

386KB
Sample

250207-e514psyndw
MD5

b301edcdd3eb036386a7a50de1955e9d
SHA1

02ae88eb979136d854f3c8302a67425a6a67948a
SHA256

40c7a2750beb5e3d1a6902909b9eca2182a3a177693fc9df0895914357f37ed5
SHA512

84402a5e424943cf61f99b0fcf6c587b8e67b737a8bcc834095a65d160cc5cef6f857484008d8e13c2de56bed2f041483ed2df01ffc65a81869dff1cfd7d3f22
SSDEEP

12288:YvuloS7zEAoHLiPcS7N0taa+aT2L8tlIsTT:y4oS7oAoHL8cS7OtaiTtIsTT

Score

10^/10

expiro backdoor credential_access discovery spyware stealer

Malware Config

Targets

- Target
  
  JaffaCakes118_b301edcdd3eb036386a7a50de1955e9d
- Size
  
  386KB
- MD5
  
  b301edcdd3eb036386a7a50de1955e9d
- SHA1
  
  02ae88eb979136d854f3c8302a67425a6a67948a
- SHA256
  
  40c7a2750beb5e3d1a6902909b9eca2182a3a177693fc9df0895914357f37ed5
- SHA512
  
  84402a5e424943cf61f99b0fcf6c587b8e67b737a8bcc834095a65d160cc5cef6f857484008d8e13c2de56bed2f041483ed2df01ffc65a81869dff1cfd7d3f22
- SSDEEP
  
  12288:YvuloS7zEAoHLiPcS7N0taa+aT2L8tlIsTT:y4oS7oAoHL8cS7OtaiTtIsTT
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
- 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