jigsaw | bc83ef30422eb7b0c8903d3b4f1d4258e25cf78e9357a30dac773f8d2c17aa28 | Triage

Resubmissions

19-10-2024 06:07

241019-gvcz8s1dlb 10

19-10-2024 03:26

241019-dzcngswgjk 10

Sharing

General

Target

5a9bd3d7f1534431a396a033d16ca496_JaffaCakes118
Size

240KB
Sample

241019-dzcngswgjk
MD5

5a9bd3d7f1534431a396a033d16ca496
SHA1

0c269c5a641fd479269c2f353841a5bf9910888b
SHA256

bc83ef30422eb7b0c8903d3b4f1d4258e25cf78e9357a30dac773f8d2c17aa28
SHA512

e9c5b2df61e3002a4619073a442cd1041854bafbb99de2ec0e5974ceea36aaacd1aefa43cd9c4b54477af9f3400f1f356d43e506f100f3208ca595ccb5aa3844
SSDEEP

6144:aDYZVxYgPZEz36R2eqHzs5oP+8fgsOznWqZajzCrY4F8TV:nXxO3RHzsmP+agVznWqZa/Cr7W

Score

10^/10

jigsaw persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  5a9bd3d7f1534431a396a033d16ca496_JaffaCakes118
- Size
  
  240KB
- MD5
  
  5a9bd3d7f1534431a396a033d16ca496
- SHA1
  
  0c269c5a641fd479269c2f353841a5bf9910888b
- SHA256
  
  bc83ef30422eb7b0c8903d3b4f1d4258e25cf78e9357a30dac773f8d2c17aa28
- SHA512
  
  e9c5b2df61e3002a4619073a442cd1041854bafbb99de2ec0e5974ceea36aaacd1aefa43cd9c4b54477af9f3400f1f356d43e506f100f3208ca595ccb5aa3844
- SSDEEP
  
  6144:aDYZVxYgPZEz36R2eqHzs5oP+8fgsOznWqZajzCrY4F8TV:nXxO3RHzsmP+agVznWqZa/Cr7W
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 (1981) 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

Credentials from Password Stores

Credentials from Web Browsers

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