expiro | 159ada880f50d0577439f7f800219a43c7b2a3e8b08aae1154144998a1648ccc | Triage

Sharing

General

Target

JaffaCakes118_7aca9fb59d176aa3ee9499bb5d86eae0
Size

706KB
Sample

250104-vha7rsykbv
MD5

7aca9fb59d176aa3ee9499bb5d86eae0
SHA1

b312626f30ca35ccdf121b8289daa13d6198f95d
SHA256

159ada880f50d0577439f7f800219a43c7b2a3e8b08aae1154144998a1648ccc
SHA512

06afeabf5ff69b343bba84acf28c2aae73138ff07aa992c93561d3054e432e9cf1631ba1c2c841935879c6c38dd0d146a4ddb95f403ad6bbccb9832e94e05974
SSDEEP

12288:TvqlqSrzEAupLiPuSrN03Mad1U/VKDXdrElzJlLeASe0LuT7MvQtbks+/z:rsqSroAupL8uSrO3MPYyjnsk7IH

Score

10^/10

expiro backdoor credential_access discovery evasion spyware stealer trojan

Malware Config

Targets

- Target
  
  JaffaCakes118_7aca9fb59d176aa3ee9499bb5d86eae0
- Size
  
  706KB
- MD5
  
  7aca9fb59d176aa3ee9499bb5d86eae0
- SHA1
  
  b312626f30ca35ccdf121b8289daa13d6198f95d
- SHA256
  
  159ada880f50d0577439f7f800219a43c7b2a3e8b08aae1154144998a1648ccc
- SHA512
  
  06afeabf5ff69b343bba84acf28c2aae73138ff07aa992c93561d3054e432e9cf1631ba1c2c841935879c6c38dd0d146a4ddb95f403ad6bbccb9832e94e05974
- SSDEEP
  
  12288:TvqlqSrzEAupLiPuSrN03Mad1U/VKDXdrElzJlLeASe0LuT7MvQtbks+/z:rsqSroAupL8uSrO3MPYyjnsk7IH
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