expiro | 17e16a91b5b16bd34fde1dbb4ac47af55b0d76db77593c2467c75d90f9e845be | Triage

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Overview

overview

Static

static

3

JaffaCakes...c7.exe

windows7-x64

JaffaCakes...c7.exe

windows10-2004-x64

Sharing

General

Target

JaffaCakes118_42eda4db1284727e0cc4ddcc1c575cc7
Size

235KB
Sample

250127-x47tzasmgw
MD5

42eda4db1284727e0cc4ddcc1c575cc7
SHA1

5f9e34aebac1aefa99230ab6697ed20c65f18d30
SHA256

17e16a91b5b16bd34fde1dbb4ac47af55b0d76db77593c2467c75d90f9e845be
SHA512

ad9da93e9a6d3947aeaaf1906f1ef37496bd651a90f6f720d5a21d9d9e0106e1631ffcc422b33e4ec3263903a6cb5a08909681336caee35f9a7586115d4fac60
SSDEEP

6144:3A8CaRVMMMMMM2MMMMMhP+Nnb/dUrAeb41Lq+s:3AbaRaMMMMM2MMMMMhP+Nnb/dU0nLq+

Score

10^/10

expiro backdoor credential_access discovery spyware stealer

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

JaffaCakes118_42eda4db1284727e0cc4ddcc1c575cc7.exe

Resource

win7-20241010-en

expiro backdoor credential_access discovery spyware stealer

windows7-x64

14 signatures

150 seconds

Behavioral task

behavioral2

Sample

JaffaCakes118_42eda4db1284727e0cc4ddcc1c575cc7.exe

Resource

win10v2004-20241007-en

expiro backdoor credential_access discovery spyware stealer

windows10-2004-x64

13 signatures

150 seconds

Malware Config

Targets

- Target
  
  JaffaCakes118_42eda4db1284727e0cc4ddcc1c575cc7
- Size
  
  235KB
- MD5
  
  42eda4db1284727e0cc4ddcc1c575cc7
- SHA1
  
  5f9e34aebac1aefa99230ab6697ed20c65f18d30
- SHA256
  
  17e16a91b5b16bd34fde1dbb4ac47af55b0d76db77593c2467c75d90f9e845be
- SHA512
  
  ad9da93e9a6d3947aeaaf1906f1ef37496bd651a90f6f720d5a21d9d9e0106e1631ffcc422b33e4ec3263903a6cb5a08909681336caee35f9a7586115d4fac60
- SSDEEP
  
  6144:3A8CaRVMMMMMM2MMMMMhP+Nnb/dUrAeb41Lq+s:3AbaRaMMMMM2MMMMMhP+Nnb/dU0nLq+
Score

10^/10

expiro backdoor credential_access discovery spyware stealer
- Expiro family
  expiro
- Expiro, m0yv
  Expiro aka m0yv is a multi-functional backdoor written in C++.
  backdoor expiro
- Expiro payload
  backdoor
- Executes dropped EXE
- 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
- 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

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_accessdiscoveryspywarestealer

behavioral2

expirobackdoorcredential_accessdiscoveryspywarestealer

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