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Overview

overview

Static

static

7

3a5af4cc58...18.exe

windows7-x64

3a5af4cc58...18.exe

windows10-2004-x64

Sharing

General

Target

3a5af4cc58ed350ec9ccfc9e884416e9_JaffaCakes118
Size

1.2MB
Sample

240711-xlsbkazbrp
MD5

3a5af4cc58ed350ec9ccfc9e884416e9
SHA1

bb1eeb9195d8ddd2a59c0ca94b6090bca0ba4c8d
SHA256

f2bd712f1b48db4ca92dd01f35cade4853aadbc9d3b83c8696a96c7d7284decc
SHA512

1b07e4509e92d426ccff20b93a17ef4a7cd87c9f8395e3f3e95e5a8baa3e78dcec1776cd6e4f291591a728467e8694539431d468246ba9cc7bc9dee191c97630
SSDEEP

12288:3ZWtI6RkZu0VKu9O9u0VKudO9u0VKu9O9u0VKuUW8:3uhaI8

Score

10^/10

evasion execution persistence upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

3a5af4cc58ed350ec9ccfc9e884416e9_JaffaCakes118.exe

Resource

win7-20240704-en

evasion execution persistence upx

windows7-x64

18 signatures

150 seconds

Behavioral task

behavioral2

Sample

3a5af4cc58ed350ec9ccfc9e884416e9_JaffaCakes118.exe

Resource

win10v2004-20240709-en

evasion execution persistence upx

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  3a5af4cc58ed350ec9ccfc9e884416e9_JaffaCakes118
- Size
  
  1.2MB
- MD5
  
  3a5af4cc58ed350ec9ccfc9e884416e9
- SHA1
  
  bb1eeb9195d8ddd2a59c0ca94b6090bca0ba4c8d
- SHA256
  
  f2bd712f1b48db4ca92dd01f35cade4853aadbc9d3b83c8696a96c7d7284decc
- SHA512
  
  1b07e4509e92d426ccff20b93a17ef4a7cd87c9f8395e3f3e95e5a8baa3e78dcec1776cd6e4f291591a728467e8694539431d468246ba9cc7bc9dee191c97630
- SSDEEP
  
  12288:3ZWtI6RkZu0VKu9O9u0VKudO9u0VKu9O9u0VKuUW8:3uhaI8
Score

10^/10

evasion execution persistence upx
- Disables service(s)
  evasion execution
- Modifies visibility of file extensions in Explorer
  evasion
- Blocks application from running via registry modification
  Adds application to list of disallowed applications.
  evasion
- Event Triggered Execution: Image File Execution Options Injection
  persistence
- Executes dropped EXE
- Loads dropped DLL
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Drops autorun.inf file
  Malware can abuse Windows Autorun to spread further via attached volumes.
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

Execution

System Services

Service Execution

Persistence

Create or Modify System Process

Windows Service

Event Triggered Execution

Image File Execution Options Injection

Privilege Escalation

Create or Modify System Process

Windows Service

Event Triggered Execution

Image File Execution Options Injection

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

Collection

Command and Control

Exfiltration

Impact

Service Stop

Tasks

static1

behavioral1

evasionexecutionpersistenceupx

behavioral2

evasionexecutionpersistenceupx

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