jigsaw | ecd85292a085805306e61fc38fad0a8b229d10a2505ec217d92be3551c36eca9 | Triage

Sharing

General

Target

3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe.zip
Size

239KB
Sample

231201-sh1rbabc95
MD5

9a444db32d6afc4958dad3e6607ac0ec
SHA1

aeee8f8742836a22624828a566e7a5f6f94baf41
SHA256

ecd85292a085805306e61fc38fad0a8b229d10a2505ec217d92be3551c36eca9
SHA512

58400123750c3697f7a3ccfd52986889255ee52e515a9db8bca511ff0bbbedaa8a97763c2be861a871656f9690761e01b9aa3e642f1e1f79a1007015311cbc2f
SSDEEP

6144:Yhlx/73HQjj7cinI6oRytou50OPjxqBZ5+XTK:uxbH6PcX6oUb7xqxt

Score

10^/10

jigsaw persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7.exe
- Size
  
  283KB
- MD5
  
  2773e3dc59472296cb0024ba7715a64e
- SHA1
  
  27d99fbca067f478bb91cdbcb92f13a828b00859
- SHA256
  
  3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
- SHA512
  
  6ef530b209f8ec459cca66dbf2c31ec96c5f7d609f17fa3b877d276968032fbc6132ea4a45ed1450fb6c5d730a7c9349bf4481e28befaea6b119ec0ded842262
- SSDEEP
  
  6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX
Score

10^/10

jigsaw persistence ransomware spyware stealer
- Jigsaw Ransomware
  Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
  ransomware jigsaw
- Renames multiple (1971) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Renames multiple (230) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- 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
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

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

Exfiltration

Impact

Tasks

static1

behavioral1

jigsawpersistenceransomwarespywarestealer

behavioral2

jigsawpersistenceransomware