expiro | ff64a71a691503ac8312b3260675e2ff01b58ed650c8bf001e811e6de50fd366 | Triage

Sharing

General

Target

JaffaCakes118_7b14e1aeafa5022fc960f5f995c45b10
Size

706KB
Sample

250104-wqnnha1jcz
MD5

7b14e1aeafa5022fc960f5f995c45b10
SHA1

03e392602e849b01b8a8416088b540fae0fe3a9c
SHA256

ff64a71a691503ac8312b3260675e2ff01b58ed650c8bf001e811e6de50fd366
SHA512

65c548022ec636379b8d0fd436add94d94e8c40a1ad1cb1f8dbbb1dab9956ccef55af794476856fb9b0777e2fa2c4addc39bb7214c6771d0c8b1d2f5839d1096
SSDEEP

12288:TvqlqSrzEAupLiPuSrN0yMaT79+DFva/wQZsJiuyxhtyI/MhVl1cJ6Q5joTeRH6R:rsqSroAupL8uSrOyM2+DFva/wQZsJiv4

Score

10^/10

expiro backdoor credential_access discovery evasion spyware stealer trojan

Malware Config

Targets

- Target
  
  JaffaCakes118_7b14e1aeafa5022fc960f5f995c45b10
- Size
  
  706KB
- MD5
  
  7b14e1aeafa5022fc960f5f995c45b10
- SHA1
  
  03e392602e849b01b8a8416088b540fae0fe3a9c
- SHA256
  
  ff64a71a691503ac8312b3260675e2ff01b58ed650c8bf001e811e6de50fd366
- SHA512
  
  65c548022ec636379b8d0fd436add94d94e8c40a1ad1cb1f8dbbb1dab9956ccef55af794476856fb9b0777e2fa2c4addc39bb7214c6771d0c8b1d2f5839d1096
- SSDEEP
  
  12288:TvqlqSrzEAupLiPuSrN0yMaT79+DFva/wQZsJiuyxhtyI/MhVl1cJ6Q5joTeRH6R:rsqSroAupL8uSrOyM2+DFva/wQZsJiv4
Score

10^/10

expiro backdoor credential_access discovery evasion spyware stealer trojan
- 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
- 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
- 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

Impair Defenses

Disable or Modify Tools

Modify Registry

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_accessdiscoveryevasionspywarestealertrojan

behavioral2