Overview

overview

10

Static

static

Win7: 5min timeout

windows7_x64

10

Win10: 5min timeout

windows10_x64

10

Resubmissions

09-10-2023 22:49

231009-2rygzsba25 10

05-11-2020 14:30

201105-hj6s8pwrks 10

Analysis

  • max time kernel
    288s
  • max time network
    288s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    05-11-2020 14:30

Sharing

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Report Analysis Logs

General

  • Target

    Compito matematica.pdf.exe

  • Size

    606KB

  • MD5

    4e890ba5a4f6fd63727c0005daa654dd

  • SHA1

    e9ade30c93942c3f5928522552dd01eb25a9e9db

  • SHA256

    e1c7d34fc0138d018f9e947af3dac7ec4d0fe9751dd1bc4424b185a92ca4bc51

  • SHA512

    177badec70b21ed1b94a8a235535249c94b72e21fc62bae1e8c32e44b9495006687a2ef7545256ddaa2c167d870515de45e9aea524e3081135fa901532af6477

Score
10/10
jigsawpersistenceransomwarespyware

Malware Config

Signatures

  • Jigsaw Ransomware

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

    ransomwarejigsaw
  • Executes dropped EXE 1 IoCs
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in Program Files directory 16119 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Compito matematica.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Compito matematica.pdf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\Compito?matematica.pdf.exe
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Drops file in Program Files directory
      PID:1764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
    MD5

    4e890ba5a4f6fd63727c0005daa654dd

    SHA1

    e9ade30c93942c3f5928522552dd01eb25a9e9db

    SHA256

    e1c7d34fc0138d018f9e947af3dac7ec4d0fe9751dd1bc4424b185a92ca4bc51

    SHA512

    177badec70b21ed1b94a8a235535249c94b72e21fc62bae1e8c32e44b9495006687a2ef7545256ddaa2c167d870515de45e9aea524e3081135fa901532af6477

    Download Submit
  • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
    MD5

    4e890ba5a4f6fd63727c0005daa654dd

    SHA1

    e9ade30c93942c3f5928522552dd01eb25a9e9db

    SHA256

    e1c7d34fc0138d018f9e947af3dac7ec4d0fe9751dd1bc4424b185a92ca4bc51

    SHA512

    177badec70b21ed1b94a8a235535249c94b72e21fc62bae1e8c32e44b9495006687a2ef7545256ddaa2c167d870515de45e9aea524e3081135fa901532af6477

    Download Submit
  • memory/656-0-0x00007FFB85320000-0x00007FFB85CC0000-memory.dmp
    Filesize

    9.6MB

    Download
  • memory/1764-1-0x0000000000000000-mapping.dmp
    Download
  • memory/1764-4-0x00007FFB85320000-0x00007FFB85CC0000-memory.dmp
    Filesize

    9.6MB

    Download