Overview

overview

10

Static

static

10

VirusShare...27.exe

windows7-x64

9

VirusShare...27.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    VirusShare_576e1420a3799486b3a3d9303a81fc27

  • Size

    12KB

  • Sample

    240206-z46b9agde9

  • MD5

    576e1420a3799486b3a3d9303a81fc27

  • SHA1

    7f55e29abea48dfef713a9d82dfe17d01dd4493f

  • SHA256

    15783432882849722953fc7630cdcfc4259d1caf76ec59f2c1489e7c20b3c0f5

  • SHA512

    6c7874e843e276c9f61812c1c7c41f3f15355ca84bffb1f3d542bd7bf2572bcdaf38d48347c163103aae6308bf7753432603b5aa427405236ec0b1d350edd8b0

  • SSDEEP

    192:m/TrG62a6B10k3g4fXk1iTV3HGc7EkpAqEjvu2q9C/YpXnAITZfPtRMlSjt+:mebFNw4Pk1itKkpAjjI2YpdmlJ

Score
10/10
xoristpersistenceransomwarespywarestealer

Malware Config

Targets

    • Target

      VirusShare_576e1420a3799486b3a3d9303a81fc27

    • Size

      12KB

    • MD5

      576e1420a3799486b3a3d9303a81fc27

    • SHA1

      7f55e29abea48dfef713a9d82dfe17d01dd4493f

    • SHA256

      15783432882849722953fc7630cdcfc4259d1caf76ec59f2c1489e7c20b3c0f5

    • SHA512

      6c7874e843e276c9f61812c1c7c41f3f15355ca84bffb1f3d542bd7bf2572bcdaf38d48347c163103aae6308bf7753432603b5aa427405236ec0b1d350edd8b0

    • SSDEEP

      192:m/TrG62a6B10k3g4fXk1iTV3HGc7EkpAqEjvu2q9C/YpXnAITZfPtRMlSjt+:mebFNw4Pk1itKkpAjjI2YpdmlJ

    Score
    9/10
    persistenceransomwarespywarestealer

    • Renames multiple (2811) files with added filename extension

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

      ransomware

    • Drops file in Drivers directory

    • Drops startup file

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks