Overview

overview

10

Static

static

4962712045...71.exe

windows7_x64

10

4962712045...71.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    91s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:18

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General

  • Target

    4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71.exe

  • Size

    137KB

  • MD5

    6b2843a576c2cc99cdda72304b3b67c9

  • SHA1

    d1be9c2e7130ddc7649966a1fc691b9e4f90681b

  • SHA256

    4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71

  • SHA512

    9cfd6248401ab04bc67c6695f9d60d9dc050ef93bb8fda321cc0ed808c86e69fca3a36bac69de4f8e3f185c31c9ba3c744c6a646105e8a8306725194934e0365

Score
10/10
jigsawpersistenceransomwarespywarestealer

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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71.exe
    "C:\Users\Admin\AppData\Local\Temp\4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe
      "C:\Users\Admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\Admin\AppData\Local\Temp\4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71.exe
      2⤵
      • Executes dropped EXE
      • Modifies extensions of user files
      • Drops file in Program Files directory
      PID:112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    137KB

    MD5

    6b2843a576c2cc99cdda72304b3b67c9

    SHA1

    d1be9c2e7130ddc7649966a1fc691b9e4f90681b

    SHA256

    4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71

    SHA512

    9cfd6248401ab04bc67c6695f9d60d9dc050ef93bb8fda321cc0ed808c86e69fca3a36bac69de4f8e3f185c31c9ba3c744c6a646105e8a8306725194934e0365

    Download Submit

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

    137KB

    MD5

    6b2843a576c2cc99cdda72304b3b67c9

    SHA1

    d1be9c2e7130ddc7649966a1fc691b9e4f90681b

    SHA256

    4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71

    SHA512

    9cfd6248401ab04bc67c6695f9d60d9dc050ef93bb8fda321cc0ed808c86e69fca3a36bac69de4f8e3f185c31c9ba3c744c6a646105e8a8306725194934e0365

    Download Submit

  • memory/112-60-0x000007FEF3CA0000-0x000007FEF46C3000-memory.dmp

    Filesize

    10.1MB

    Download

  • memory/112-61-0x000007FEF2C00000-0x000007FEF3C96000-memory.dmp

    Filesize

    16.6MB

    Download

  • memory/112-62-0x0000000000C0B000-0x0000000000C2A000-memory.dmp

    Filesize

    124KB

    Download

  • memory/1964-54-0x000007FEF3CA0000-0x000007FEF46C3000-memory.dmp

    Filesize

    10.1MB

    Download

  • memory/1964-55-0x000007FEF2C00000-0x000007FEF3C96000-memory.dmp

    Filesize

    16.6MB

    Download

  • memory/1964-56-0x000007FEFC021000-0x000007FEFC023000-memory.dmp

    Filesize

    8KB

    Download