Overview

overview

10

Static

static

8

2e4c3ae323...76.exe

windows7-x64

10

2e4c3ae323...76.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376

  • Size

    610KB

  • Sample

    221227-mxymlseg58

  • MD5

    1c73c307773fedfccd544a6b6b0b55b9

  • SHA1

    899ffd934e0b8a6df4b115c49df33fca524e2135

  • SHA256

    2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376

  • SHA512

    049211f9d07e3cca9f92dfb1bc2e0f6895586f9f36b2651ffb2de20f3573ba9d719aff27e67b996f4706852578e919810e3e6854eebf0aaff0d412d8cabc127d

  • SSDEEP

    12288:mT9zGQU31phksyH0F8eHSE3BGAFTT/OAchocfoOG6FTvcDldnozRpXFqOO:mRyQUlGuLSE3BGAF//xlcfoO/IDr6FqO

Score
10/10
matrixdiscoveryevasionpersistenceransomwarespywarestealerupx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://myexternalip.com/raw

Targets

    • Target

      2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376

    • Size

      610KB

    • MD5

      1c73c307773fedfccd544a6b6b0b55b9

    • SHA1

      899ffd934e0b8a6df4b115c49df33fca524e2135

    • SHA256

      2e4c3ae32372bb1b189665e8e84c13bcc88e7f2c7459f71e075694fd3aaf8376

    • SHA512

      049211f9d07e3cca9f92dfb1bc2e0f6895586f9f36b2651ffb2de20f3573ba9d719aff27e67b996f4706852578e919810e3e6854eebf0aaff0d412d8cabc127d

    • SSDEEP

      12288:mT9zGQU31phksyH0F8eHSE3BGAFTT/OAchocfoOG6FTvcDldnozRpXFqOO:mRyQUlGuLSE3BGAF//xlcfoO/IDr6FqO

    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

Hidden Files and Directories

1
T1158

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Hidden Files and Directories

1
T1158

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