Overview

overview

10

Static

static

3

VirusShare...df.exe

windows7-x64

10

VirusShare...df.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    VirusShare_a47562ddb085ab39b821c1d8ab078edf

  • Size

    1.8MB

  • Sample

    240204-qarsbscdej

  • MD5

    a47562ddb085ab39b821c1d8ab078edf

  • SHA1

    0d4e8e5549105ee8527c058dce6c390616ad14a3

  • SHA256

    f70006713d13499db25cb78e7831a300457f83248cc8a245de67b180c607713e

  • SHA512

    18b3ff273024fdd98f2eacc9825316a97ae9809d127ae4d16a6613a9093fa94804c736cdb4edef814ef76c92a2f8c5b640ce4d2b7b76e339fe581667189a29f7

  • SSDEEP

    24576:dnA1KgRYWHEvtd8LHhFJpxjMnA1KgRYWHEvtd8LHhFJpxjJ:m1K5ve1K5v

Score
10/10
lockfileransomwarespywarestealer

Malware Config

Targets

    • Target

      VirusShare_a47562ddb085ab39b821c1d8ab078edf

    • Size

      1.8MB

    • MD5

      a47562ddb085ab39b821c1d8ab078edf

    • SHA1

      0d4e8e5549105ee8527c058dce6c390616ad14a3

    • SHA256

      f70006713d13499db25cb78e7831a300457f83248cc8a245de67b180c607713e

    • SHA512

      18b3ff273024fdd98f2eacc9825316a97ae9809d127ae4d16a6613a9093fa94804c736cdb4edef814ef76c92a2f8c5b640ce4d2b7b76e339fe581667189a29f7

    • SSDEEP

      24576:dnA1KgRYWHEvtd8LHhFJpxjMnA1KgRYWHEvtd8LHhFJpxjJ:m1K5ve1K5v

    Score
    10/10
    lockfileransomwarespywarestealer

    • LockFile

      LockFile is a new ransomware that emerged in July 2021 with ProxyShell vulnerabilties.

      ransomwarelockfile

    • Renames multiple (1097) 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

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

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

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks