jigsaw | b40d4f27ebfa9e4e64187b74b932416e53431fa2f78fa95fbdc4fc5f9405f65c | Triage

Sharing

General

Target

c019ba63879bb6c6574077082407d661_JaffaCakes118
Size

283KB
Sample

241204-bh7q7ayrbj
MD5

c019ba63879bb6c6574077082407d661
SHA1

bd21d50a695e6041c6a536c00b13df151d50e389
SHA256

b40d4f27ebfa9e4e64187b74b932416e53431fa2f78fa95fbdc4fc5f9405f65c
SHA512

20601773b2f165e7e2340a0e79112b347d5b1625b498ce75eaf78c1f0d75039c747655a3e48e2da593c00480b0d7653a961466d6260258dd102d7933791ef2c6
SSDEEP

6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXus:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqX

Score

10^/10

jigsaw persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  c019ba63879bb6c6574077082407d661_JaffaCakes118
- Size
  
  283KB
- MD5
  
  c019ba63879bb6c6574077082407d661
- SHA1
  
  bd21d50a695e6041c6a536c00b13df151d50e389
- SHA256
  
  b40d4f27ebfa9e4e64187b74b932416e53431fa2f78fa95fbdc4fc5f9405f65c
- SHA512
  
  20601773b2f165e7e2340a0e79112b347d5b1625b498ce75eaf78c1f0d75039c747655a3e48e2da593c00480b0d7653a961466d6260258dd102d7933791ef2c6
- 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 (2015) 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