Overview

overview

10

Static

static

4962712045...71.exe

windows7_x64

10

4962712045...71.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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
jigsawpersistenceransomware

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71.exe
    "C:\Users\Admin\AppData\Local\Temp\4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1356
    • 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:3396

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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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

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

    137KB

    MD5

    6b2843a576c2cc99cdda72304b3b67c9

    SHA1

    d1be9c2e7130ddc7649966a1fc691b9e4f90681b

    SHA256

    4962712045bc6709a91f746b14ae6473ca1936b1caaa907f0391035f8c139f71

    SHA512

    9cfd6248401ab04bc67c6695f9d60d9dc050ef93bb8fda321cc0ed808c86e69fca3a36bac69de4f8e3f185c31c9ba3c744c6a646105e8a8306725194934e0365

    Download Submit
  • memory/3396-130-0x0000000000000000-mapping.dmp
    Download