b3a5ac256367609f705111108b81ae450d7f393bb58eb54f4066334f25d6712b | Triage

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Overview

overview

Static

static

7

43a26f6f20...18.exe

windows7-x64

43a26f6f20...18.exe

windows10-2004-x64

Sharing

General

Target

43a26f6f209785c81e6b1e371fbb8ec7_JaffaCakes118
Size

1014KB
Sample

240713-2lspjszflp
MD5

43a26f6f209785c81e6b1e371fbb8ec7
SHA1

2fc71f5205ac6892ccb5472bb3061182873eef61
SHA256

b3a5ac256367609f705111108b81ae450d7f393bb58eb54f4066334f25d6712b
SHA512

b3e72dd11078fbb4b8c370021f46e13c5f82a5aa9b19b2bc05c18b5f938e9d693742758fbdba902e1b7ddc8452798b8ba512736f1f4ffd2b3d950632338ce0d6
SSDEEP

12288:gOZerQZb+md4w1UAUO6OB07OB0r2iYF+dnK2:LerQZb+md4wmAUOaOM2iVdK2

Score

10^/10

evasion execution persistence upx

Static task

static1

2 signatures

Behavioral task

behavioral1

Sample

43a26f6f209785c81e6b1e371fbb8ec7_JaffaCakes118.exe

Resource

win7-20240708-en

evasion execution persistence upx

windows7-x64

18 signatures

150 seconds

Behavioral task

behavioral2

Sample

43a26f6f209785c81e6b1e371fbb8ec7_JaffaCakes118.exe

Resource

win10v2004-20240709-en

evasion execution persistence upx

windows10-2004-x64

17 signatures

150 seconds

Malware Config

Targets

- Target
  
  43a26f6f209785c81e6b1e371fbb8ec7_JaffaCakes118
- Size
  
  1014KB
- MD5
  
  43a26f6f209785c81e6b1e371fbb8ec7
- SHA1
  
  2fc71f5205ac6892ccb5472bb3061182873eef61
- SHA256
  
  b3a5ac256367609f705111108b81ae450d7f393bb58eb54f4066334f25d6712b
- SHA512
  
  b3e72dd11078fbb4b8c370021f46e13c5f82a5aa9b19b2bc05c18b5f938e9d693742758fbdba902e1b7ddc8452798b8ba512736f1f4ffd2b3d950632338ce0d6
- SSDEEP
  
  12288:gOZerQZb+md4w1UAUO6OB07OB0r2iYF+dnK2:LerQZb+md4wmAUOaOM2iVdK2
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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