Overview

overview

10

Static

static

1

Free Softw...r.html

windows10-2004-x64

10

Sharing

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General

  • Target

    Free Software Downloads and Reviews for Windows, Android, Mac, and iOS – CNET Downloadrr.html

  • Size

    827KB

  • Sample

    240325-1s215acf8w

  • MD5

    e7a7046d8aed5ee76856b037c7a6459e

  • SHA1

    de207e6ef6cc6bcfe2b498dee3cea5364826a829

  • SHA256

    9110c6498cd6c64f7035ea0f915d1fa51fce1775c5282587c2e21d5dab1c9bd6

  • SHA512

    16f9f606fb64420d5fa8a3e48798a084b495a07663fa0bce5d1580ace5378afabf1211813abbf901ef70c6bc41fd6e95bdecd2da3cd81ef8984d5d2b116da672

  • SSDEEP

    12288:hhLhDIPdQiaLW9vqXkS3cY9r7QeQIOEvB8SRHrLTX8HLEfxtM1V+DNFZleSBvFFj:hhSPdQiaLW9vqjWq/omTiRw

Score
10/10
infinitylockevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      Free Software Downloads and Reviews for Windows, Android, Mac, and iOS – CNET Downloadrr.html

    • Size

      827KB

    • MD5

      e7a7046d8aed5ee76856b037c7a6459e

    • SHA1

      de207e6ef6cc6bcfe2b498dee3cea5364826a829

    • SHA256

      9110c6498cd6c64f7035ea0f915d1fa51fce1775c5282587c2e21d5dab1c9bd6

    • SHA512

      16f9f606fb64420d5fa8a3e48798a084b495a07663fa0bce5d1580ace5378afabf1211813abbf901ef70c6bc41fd6e95bdecd2da3cd81ef8984d5d2b116da672

    • SSDEEP

      12288:hhLhDIPdQiaLW9vqXkS3cY9r7QeQIOEvB8SRHrLTX8HLEfxtM1V+DNFZleSBvFFj:hhSPdQiaLW9vqjWq/omTiRw

    Score
    10/10
    infinitylockevasionpersistenceransomwarespywarestealertrojan

    • InfinityLock Ransomware

      Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.

      ransomwareinfinitylock

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (73) files with added filename extension

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

      ransomware

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1

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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks