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Overview

overview

10

Static

static

3

80f45f70d6...93.exe

windows7-x64

10

80f45f70d6...93.exe

windows10-2004-x64

10

Resubmissions

26/02/2025, 07:01

250226-htjbasxjv8 10

25/02/2025, 04:05

250225-enxd7atjy7 3

25/02/2025, 04:00

250225-ekttwssqy6 10

25/02/2025, 03:40

250225-d79cessjs5 10

25/02/2025, 03:10

250225-dpfmdszpw9 10

25/02/2025, 02:49

250225-dazrqaym19 10

25/02/2025, 02:42

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General

  • Target

    80f45f70d66652a814a2784f3e3da3d304a2e3466bda889791a5de0117862593.exe

  • Size

    767KB

  • Sample

    250225-d79cessjs5

  • MD5

    d7b952b18e2fba388e8ae076488af9e2

  • SHA1

    20a1a5c98e93b87d58d8c6ddbe2450f657e59113

  • SHA256

    80f45f70d66652a814a2784f3e3da3d304a2e3466bda889791a5de0117862593

  • SHA512

    5777c6ff439a89d1571b3104b3fc9b43e5392cecdcd2c8100019582bfb383328648ef86735dbda8e15270f0853bff3ea9864f26a7f9c40d016269e417aa2f04f

  • SSDEEP

    12288:7GqN/XdctpVtkMtsyDqBQ0tA3nyF0Fh0zJmViYV5yvQX05oWI:lNcBtkUqBQ0tknx5yIXgoWI

Score
10/10
jigsawbootkitdefense_evasiondiscoverypersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      80f45f70d66652a814a2784f3e3da3d304a2e3466bda889791a5de0117862593.exe

    • Size

      767KB

    • MD5

      d7b952b18e2fba388e8ae076488af9e2

    • SHA1

      20a1a5c98e93b87d58d8c6ddbe2450f657e59113

    • SHA256

      80f45f70d66652a814a2784f3e3da3d304a2e3466bda889791a5de0117862593

    • SHA512

      5777c6ff439a89d1571b3104b3fc9b43e5392cecdcd2c8100019582bfb383328648ef86735dbda8e15270f0853bff3ea9864f26a7f9c40d016269e417aa2f04f

    • SSDEEP

      12288:7GqN/XdctpVtkMtsyDqBQ0tA3nyF0Fh0zJmViYV5yvQX05oWI:lNcBtkUqBQ0tknx5yIXgoWI

    Score
    10/10
    jigsawbootkitdefense_evasiondiscoverypersistenceransomwarespywarestealer

    • Jigsaw Ransomware

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

      ransomwarejigsaw

    • Jigsaw family

      jigsaw

    • Renames multiple (2012) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Disables Task Manager via registry modification

      defense_evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Defacement

1
T1491

Tasks