jigsaw | 25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964 | Triage

Sharing

General

Target

25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964
Size

141KB
Sample

240807-ynqfestamk
MD5

5ae42f93bb14b553f52bd15845b0992b
SHA1

f390fab5e976495686e13bac55fb7c6600cb04f9
SHA256

25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964
SHA512

d3b9494e1d5ee9c20ca019d5e65f1fa83f3b3ee875001c3a5abf36503af4b94fc2bd8e75fae430b7c0b94d74f7e23ae3af228ee8602e7ee685d9e7ddb1ec3858
SSDEEP

3072:wOXwqohogPKl0eIR8ex4z+nbZGfXIPqPy+YU2Xt+1:zngPKlP2844z+nbZGfXIC6+E9+

Score

10^/10

jigsaw persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964
- Size
  
  141KB
- MD5
  
  5ae42f93bb14b553f52bd15845b0992b
- SHA1
  
  f390fab5e976495686e13bac55fb7c6600cb04f9
- SHA256
  
  25c6eb273edceebb6b4d3f6d382a3890ab1b5575b0605e95e8c02375a5c83964
- SHA512
  
  d3b9494e1d5ee9c20ca019d5e65f1fa83f3b3ee875001c3a5abf36503af4b94fc2bd8e75fae430b7c0b94d74f7e23ae3af228ee8602e7ee685d9e7ddb1ec3858
- SSDEEP
  
  3072:wOXwqohogPKl0eIR8ex4z+nbZGfXIPqPy+YU2Xt+1:zngPKlP2844z+nbZGfXIC6+E9+
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 (2027) 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

jigsawpersistenceransomwarespywarestealer