jigsaw | 7453903bd4c3b1659f277767d79b3d195c9febf62b30af05130c6733ada3306d | Triage

Sharing

General

Target

7df70816b5bd9492b3fd782c71e63e0c_JaffaCakes118
Size

239KB
Sample

241030-fj9dmaykbk
MD5

7df70816b5bd9492b3fd782c71e63e0c
SHA1

9fb9bed22ee2f8e5cb657657bee42d8e5a89bd5d
SHA256

7453903bd4c3b1659f277767d79b3d195c9febf62b30af05130c6733ada3306d
SHA512

49c78342a3a417e643b054aa6715119e8f7b8a06d5e1ee109ee1fb68afa991a75e5b00ddbda64d78d8b8a7d256c69814a7a557e373f22ca44b81a0149eadcdbe
SSDEEP

6144:K/vucHCQQQEwuyjADlZZuxcntYVecfdt8:KOcitByWHu2eVecf4

Score

10^/10

jigsaw persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  3ae96f73d805e1d3995253db4d910300d8442ea603737a1428b613061e7f61e7
- 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
- Jigsaw family
  jigsaw
- Renames multiple (1974) 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