jigsaw | fd563cf7c0c862ab910cf558b5a123354b616e84902d277edf09f378ff6f9786 | Triage

Resubmissions

19-12-2024 08:32

241219-kfqvbsxmgl 10

19-12-2024 08:29

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19-12-2024 07:46

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Sharing

General

Target

b28242123ed2cf6000f0aa036844bd29
Size

87KB
Sample

240307-mt8y6sae3s
MD5

b28242123ed2cf6000f0aa036844bd29
SHA1

915f41a6c59ed743803ea0ddde08927ffd623586
SHA256

fd563cf7c0c862ab910cf558b5a123354b616e84902d277edf09f378ff6f9786
SHA512

08e5966ca90f08c18c582e6c67d71186a6f9c025fc9f78020e1ce202814de094171111b7f3623d81f7371acdf92206446f7c0425e08e8f5f5b6fd969007d9fca
SSDEEP

1536:0A1KsVHBnVJ0T1rFTQHUPx+nVP7ZSRILMZoXyqqEbzPCAdt6rFTc:0A1rVIrFTOUsnVP7sRILgAPCvrFTc

Score

10^/10

jigsaw evasion persistence ransomware spyware stealer trojan

Malware Config

Targets

- Target
  
  b28242123ed2cf6000f0aa036844bd29
- Size
  
  87KB
- MD5
  
  b28242123ed2cf6000f0aa036844bd29
- SHA1
  
  915f41a6c59ed743803ea0ddde08927ffd623586
- SHA256
  
  fd563cf7c0c862ab910cf558b5a123354b616e84902d277edf09f378ff6f9786
- SHA512
  
  08e5966ca90f08c18c582e6c67d71186a6f9c025fc9f78020e1ce202814de094171111b7f3623d81f7371acdf92206446f7c0425e08e8f5f5b6fd969007d9fca
- SSDEEP
  
  1536:0A1KsVHBnVJ0T1rFTQHUPx+nVP7ZSRILMZoXyqqEbzPCAdt6rFTc:0A1rVIrFTOUsnVP7sRILgAPCvrFTc
Score

10^/10

jigsaw evasion persistence ransomware spyware stealer trojan
- Jigsaw Ransomware
  Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
  ransomware jigsaw
- Modifies visibility of file extensions in Explorer
  evasion
- UAC bypass
  evasion trojan
- Renames multiple (1481) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Executes dropped EXE
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Adds Run key to start application
  persistence
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Abuse Elevation Control Mechanism

Bypass User Account Control

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Abuse Elevation Control Mechanism

Bypass User Account Control

Hide Artifacts

Hidden Files and Directories

Impair Defenses

Disable or Modify Tools

Modify Registry

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Web Service

Exfiltration

Impact

Tasks

static1

behavioral1

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