expiro | 8a137c78930750ea81be840136ad60de250a408f040acf204f95ddad1bd1c268 | Triage

Sharing

General

Target

8a137c78930750ea81be840136ad60de250a408f040acf204f95ddad1bd1c268N.exe
Size

555KB
Sample

241231-3mve7svphx
MD5

0a7488a74643a888ff7ed8af241f79f0
SHA1

3d92ac3c469821bdd0801ff641e1c69f63f22991
SHA256

8a137c78930750ea81be840136ad60de250a408f040acf204f95ddad1bd1c268
SHA512

bc9b2a12b70752fc843644697c3eb82b94f247411599b28437ee43ebff8ec467d0be369a7438e824835378571de22300a9e802a3b35160336ad89de3986bf666
SSDEEP

12288:T7RRaMMMMM2MMMMM/H0jZrctbNgED36KATHFNpsOFgaPJn29BPP0Ih/2YDi:T7RRaMMMMM2MMMMM/HK5sbNgED36KArf

Score

10^/10

expiro backdoor credential_access discovery evasion spyware stealer trojan

Malware Config

Targets

- Target
  
  8a137c78930750ea81be840136ad60de250a408f040acf204f95ddad1bd1c268N.exe
- Size
  
  555KB
- MD5
  
  0a7488a74643a888ff7ed8af241f79f0
- SHA1
  
  3d92ac3c469821bdd0801ff641e1c69f63f22991
- SHA256
  
  8a137c78930750ea81be840136ad60de250a408f040acf204f95ddad1bd1c268
- SHA512
  
  bc9b2a12b70752fc843644697c3eb82b94f247411599b28437ee43ebff8ec467d0be369a7438e824835378571de22300a9e802a3b35160336ad89de3986bf666
- SSDEEP
  
  12288:T7RRaMMMMM2MMMMM/H0jZrctbNgED36KATHFNpsOFgaPJn29BPP0Ih/2YDi:T7RRaMMMMM2MMMMM/HK5sbNgED36KArf
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