jigsaw | 897c8b26c82d78f14a43a0e7b3617993a806f7fa45812427c3b12a141bb7ce96 | Triage

Sharing

General

Target

2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear
Size

606KB
Sample

241023-ms32jaxepq
MD5

dc3ba6285c2a5669fbb95587532eed68
SHA1

53bb4a49e23830ba559db00f7949a4189c7eb596
SHA256

897c8b26c82d78f14a43a0e7b3617993a806f7fa45812427c3b12a141bb7ce96
SHA512

9d1531701810d5c3a8fd57fc054908d85dc8e0edfbd58f6e8806e43a275dc6b8d99118e67f954ce3a88c95f140d345ec5441dc0908a1b4c3fe9c331cfd9a2aed
SSDEEP

12288:g4XLj1zY8ejQ8BLXYTiMXrX0IHPfuTjaDt01zWY+EOiOLAAf:jXFzYVMLz0sDD2+r8A

Score

10^/10

jigsaw persistence ransomware spyware stealer

Malware Config

Targets

- Target
  
  2024-10-23_dc3ba6285c2a5669fbb95587532eed68_hiddentear
- Size
  
  606KB
- MD5
  
  dc3ba6285c2a5669fbb95587532eed68
- SHA1
  
  53bb4a49e23830ba559db00f7949a4189c7eb596
- SHA256
  
  897c8b26c82d78f14a43a0e7b3617993a806f7fa45812427c3b12a141bb7ce96
- SHA512
  
  9d1531701810d5c3a8fd57fc054908d85dc8e0edfbd58f6e8806e43a275dc6b8d99118e67f954ce3a88c95f140d345ec5441dc0908a1b4c3fe9c331cfd9a2aed
- SSDEEP
  
  12288:g4XLj1zY8ejQ8BLXYTiMXrX0IHPfuTjaDt01zWY+EOiOLAAf:jXFzYVMLz0sDD2+r8A
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 (1997) 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