expiro | 9296bd38edc3ee0edf035fddf3d749ca0e832455cadf71273405563da6f5a7f0 | Triage

Sharing

General

Target

JaffaCakes118_60a35a694c0036f1069e44092d400ec7
Size

880KB
Sample

250101-zvf11awngl
MD5

60a35a694c0036f1069e44092d400ec7
SHA1

ab0277112625b9d8197b169ecf3877fc61d88d5f
SHA256

9296bd38edc3ee0edf035fddf3d749ca0e832455cadf71273405563da6f5a7f0
SHA512

fedfbf59cbb42a65342d05734e6f29797ab9276c4f4790ba7c3c6cadc09ddcf31a51a54d8d01bb7315e3981554e3ffbd70fc4bf4d094241d51b9ae3791424985
SSDEEP

12288:lKPRz7pW6NpUUIIeAldFzc+spaUm5A2SKluFFS8h:URzlW6n9eQd/smBiF

Score

10^/10

expiro backdoor credential_access discovery evasion spyware stealer trojan

Malware Config

Targets

- Target
  
  JaffaCakes118_60a35a694c0036f1069e44092d400ec7
- Size
  
  880KB
- MD5
  
  60a35a694c0036f1069e44092d400ec7
- SHA1
  
  ab0277112625b9d8197b169ecf3877fc61d88d5f
- SHA256
  
  9296bd38edc3ee0edf035fddf3d749ca0e832455cadf71273405563da6f5a7f0
- SHA512
  
  fedfbf59cbb42a65342d05734e6f29797ab9276c4f4790ba7c3c6cadc09ddcf31a51a54d8d01bb7315e3981554e3ffbd70fc4bf4d094241d51b9ae3791424985
- SSDEEP
  
  12288:lKPRz7pW6NpUUIIeAldFzc+spaUm5A2SKluFFS8h:URzlW6n9eQd/smBiF
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