expiro | 1ed33c34e7942721cd0a459cb852f370b7284af6d775b2db865ac2c97bbceb90 | Triage

Sharing

General

Target

JaffaCakes118_7b0d937d1ca7495e4f4ddcc5eec85b60
Size

884KB
Sample

250104-wlly4szqgw
MD5

7b0d937d1ca7495e4f4ddcc5eec85b60
SHA1

be9c08dc85620a284f58cb2c7d5c463454aca7e8
SHA256

1ed33c34e7942721cd0a459cb852f370b7284af6d775b2db865ac2c97bbceb90
SHA512

accfdccc19ae269d4b295d0e217e92ae5f1056770016d62ce70aa83ca2c3b019cd2ad7f1a5b70d4dbb301e92b43432271b0a029cf26482c6e933855d6e4c8fd7
SSDEEP

12288:CQoN/7YkrWBfWhvRhKUrFnnFI63RkqxgJmxJSD+yJJRm6YqUhiCQz:CQoN/7DSBfWfRn6uZTxJSis86Yjihz

Score

10^/10

expiro backdoor credential_access discovery evasion spyware stealer trojan

Malware Config

Targets

- Target
  
  JaffaCakes118_7b0d937d1ca7495e4f4ddcc5eec85b60
- Size
  
  884KB
- MD5
  
  7b0d937d1ca7495e4f4ddcc5eec85b60
- SHA1
  
  be9c08dc85620a284f58cb2c7d5c463454aca7e8
- SHA256
  
  1ed33c34e7942721cd0a459cb852f370b7284af6d775b2db865ac2c97bbceb90
- SHA512
  
  accfdccc19ae269d4b295d0e217e92ae5f1056770016d62ce70aa83ca2c3b019cd2ad7f1a5b70d4dbb301e92b43432271b0a029cf26482c6e933855d6e4c8fd7
- SSDEEP
  
  12288:CQoN/7YkrWBfWhvRhKUrFnnFI63RkqxgJmxJSD+yJJRm6YqUhiCQz:CQoN/7DSBfWfRn6uZTxJSis86Yjihz
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

expirobackdoorcredential_accessdiscoveryspywarestealer