Overview

overview

10

Static

static

bdd9dbc6d7...d2.exe

windows7_x64

10

bdd9dbc6d7...d2.exe

windows10_x64

10

Sharing

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General

  • Target

    bdd9dbc6d72ecc5ea0a063a1fc99e414a4cff177ec8726da0011134d8589c7d2

  • Size

    1.1MB

  • Sample

    201008-fne5w6fq1e

  • MD5

    837d96ee65e177210ad77e0b7a3e2ee1

  • SHA1

    9f96a1acbcf006bf9cc61119dc76ca47adf63066

  • SHA256

    bdd9dbc6d72ecc5ea0a063a1fc99e414a4cff177ec8726da0011134d8589c7d2

  • SHA512

    3369cccd102ef223a3d3bcb8b7cd11bc409cdb63bbbce33c8bbd05e6b52bc32b2a9c3ff29202e8107da6eab04e61fab0a7645631821d37bc3120dfe86bc26a62

Score
10/10
matrixdiscoveryevasionpersistenceransomwareupx

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

http://myexternalip.com/raw

Targets

    • Target

      bdd9dbc6d72ecc5ea0a063a1fc99e414a4cff177ec8726da0011134d8589c7d2

    • Size

      1.1MB

    • MD5

      837d96ee65e177210ad77e0b7a3e2ee1

    • SHA1

      9f96a1acbcf006bf9cc61119dc76ca47adf63066

    • SHA256

      bdd9dbc6d72ecc5ea0a063a1fc99e414a4cff177ec8726da0011134d8589c7d2

    • SHA512

      3369cccd102ef223a3d3bcb8b7cd11bc409cdb63bbbce33c8bbd05e6b52bc32b2a9c3ff29202e8107da6eab04e61fab0a7645631821d37bc3120dfe86bc26a62

    Score
    10/10
    ransomwareevasionupxpersistencematrixdiscovery

    • 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

    • Blacklisted 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

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • 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.

    • Drops file in System32 directory

    • Modifies service

      persistence

    • 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

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Hidden Files and Directories

1
T1158

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Deletion

2
T1107

Modify Registry

3
T1112

File Permissions Modification

1
T1222

Hidden Files and Directories

1
T1158

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

3
T1490

Defacement

1
T1491

Tasks