expiro | f43f6816a7f41e45e2b822b6446ae70ee48b417e8d3399373d997dc226844022 | Triage

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Overview

overview

Static

static

3

JaffaCakes...74.exe

windows7-x64

JaffaCakes...74.exe

windows10-2004-x64

Sharing

General

Target

JaffaCakes118_bccab3ec0142e2d6202a7ff742b9f974
Size

406KB
Sample

250105-zl9a7axpgn
MD5

bccab3ec0142e2d6202a7ff742b9f974
SHA1

b1ec299f56e41819fc499ef803936dc006d76fc5
SHA256

f43f6816a7f41e45e2b822b6446ae70ee48b417e8d3399373d997dc226844022
SHA512

ffd33ec300dab8e924900250c62885b9b2a6291f931fadb8535cf65b08db9b4d0de05cdf2a333d795418f774270d144e87d1a3b898c7a9cef6385e0d1ccd17da
SSDEEP

6144:rIzfx0tsmxGjd9suGjSIDhAJSbnVrw8/LppZ2oqIqOEhspJ:SfqOwGTlW5N0Qrw62obqap

Score

10^/10

expiro backdoor discovery evasion trojan

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

JaffaCakes118_bccab3ec0142e2d6202a7ff742b9f974.exe

Resource

win7-20240903-en

expiro backdoor

windows7-x64

3 signatures

150 seconds

Behavioral task

behavioral2

Sample

JaffaCakes118_bccab3ec0142e2d6202a7ff742b9f974.exe

Resource

win10v2004-20241007-en

expiro backdoor discovery evasion trojan

windows10-2004-x64

19 signatures

150 seconds

Malware Config

Targets

- Target
  
  JaffaCakes118_bccab3ec0142e2d6202a7ff742b9f974
- Size
  
  406KB
- MD5
  
  bccab3ec0142e2d6202a7ff742b9f974
- SHA1
  
  b1ec299f56e41819fc499ef803936dc006d76fc5
- SHA256
  
  f43f6816a7f41e45e2b822b6446ae70ee48b417e8d3399373d997dc226844022
- SHA512
  
  ffd33ec300dab8e924900250c62885b9b2a6291f931fadb8535cf65b08db9b4d0de05cdf2a333d795418f774270d144e87d1a3b898c7a9cef6385e0d1ccd17da
- SSDEEP
  
  6144:rIzfx0tsmxGjd9suGjSIDhAJSbnVrw8/LppZ2oqIqOEhspJ:SfqOwGTlW5N0Qrw62obqap
Score

10^/10

expiro backdoor discovery evasion trojan
- Expiro family
  expiro
- Expiro, m0yv
  Expiro aka m0yv is a multi-functional backdoor written in C++.
  backdoor expiro
- Expiro payload
  backdoor
- Disables taskbar notifications via registry modification
  evasion
- Executes dropped EXE
- 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
- 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

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

behavioral2

expirobackdoordiscoveryevasiontrojan

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