jigsaw | f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
17/03/2025, 04:04

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General

Target

f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687.exe
Size

335KB
MD5

44a4d5c0cbd33c189f18018326e8801e
SHA1

533d0a6895ffb5846b6e7bcb738c4056293f91d7
SHA256

f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687
SHA512

9aa19261579caadeb028f75db52a05e3ef66880df44d21e73cf65ac472ed3b276deaef37227c20af50d821414f2a1df88fb78c985adc0739bab7d0ed3a866205
SSDEEP

3072:NfWmKpcIhNLHiS6ur76srcmGG10loGm44q2UWBWXyPNKTWI87aXKPmsqjCnSNBPK:gR7Osoc1DGm44HcX2oaIrBP33kQCfBp

Score

10^/10

jigsaw persistence ransomware spyware stealer

Malware Config

Signatures

Jigsaw Ransomware
Ransomware family first created in 2016. Named based on wallpaper set after infection in the early versions.
ransomware jigsaw
Jigsaw family
jigsaw

Executes dropped EXE 1 IoCs

pid	Process
1348	deltasec.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\deltasec.exe = "C:\\Users\\Admin\\AppData\\Roaming\\deltasec\\deltasec.exe"	f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1348	2272	f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687.exe	30
PID 2272 wrote to memory of 1348	2272	f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687.exe	30
PID 2272 wrote to memory of 1348	2272	f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687.exe	30

C:\Users\Admin\AppData\Local\Temp\f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687.exe
"C:\Users\Admin\AppData\Local\Temp\f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\deltasec\deltasec.exe
  "C:\Users\Admin\AppData\Local\deltasec\deltasec.exe" C:\Users\Admin\AppData\Local\Temp\f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687.exe
  2⤵
  - Executes dropped EXE
  PID:1348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\deltasec\deltasec.exe

Filesize
335KB

MD5
44a4d5c0cbd33c189f18018326e8801e

SHA1
533d0a6895ffb5846b6e7bcb738c4056293f91d7

SHA256
f32a14e2a7a2510862c04fdc2e9ae97bb4f444d33dc5394360ad3402548bf687

SHA512
9aa19261579caadeb028f75db52a05e3ef66880df44d21e73cf65ac472ed3b276deaef37227c20af50d821414f2a1df88fb78c985adc0739bab7d0ed3a866205

Download Submit
memory/1348-10-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1348-11-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1348-12-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1348-13-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1348-14-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/1348-17-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/2272-0-0x000007FEF5BEE000-0x000007FEF5BEF000-memory.dmp

Filesize
4KB

Download
memory/2272-3-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/2272-4-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download
memory/2272-9-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads