Overview

overview

10

Static

static

3a597442f3...ad.exe

windows7_x64

10

3a597442f3...ad.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    3a597442f34e7152c58866bb1a14ac03dd7ff2b59834fb93e8f44390c7b5caad

  • Size

    1.5MB

  • Sample

    220306-bnqd4ahga5

  • MD5

    c3376b76d094ec9af26b125dceb9abab

  • SHA1

    42f96a7dda594cf5ba26c4c302366cca54a5e794

  • SHA256

    3a597442f34e7152c58866bb1a14ac03dd7ff2b59834fb93e8f44390c7b5caad

  • SHA512

    1a1e11996f6407378ac1a758001e4d71508a3593862a8b4b26f764924f71ddb8e2ea66d67c3794d31e84274d23e355e93275151aff9a70134bb776b1fa3b040e

Score
10/10
matrixdiscoveryevasionpersistenceransomwarespywarestealerupx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://myexternalip.com/raw

Targets

    • Target

      3a597442f34e7152c58866bb1a14ac03dd7ff2b59834fb93e8f44390c7b5caad

    • Size

      1.5MB

    • MD5

      c3376b76d094ec9af26b125dceb9abab

    • SHA1

      42f96a7dda594cf5ba26c4c302366cca54a5e794

    • SHA256

      3a597442f34e7152c58866bb1a14ac03dd7ff2b59834fb93e8f44390c7b5caad

    • SHA512

      1a1e11996f6407378ac1a758001e4d71508a3593862a8b4b26f764924f71ddb8e2ea66d67c3794d31e84274d23e355e93275151aff9a70134bb776b1fa3b040e

    Score
    10/10
    matrixdiscoveryevasionpersistenceransomwarespywarestealerupx

    • Matrix Ransomware

      Targeted ransomware with information collection and encryption functionality.

      ransomwarematrix

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Blocklisted process makes network request

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Sets service image path in registry

      persistence

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

3
T1490

Defacement

1
T1491

Tasks