Overview

overview

10

Static

static

1

sample.html

windows10-ltsc 2021-x64

Sharing

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General

  • Target

    sample

  • Size

    598KB

  • Sample

    250109-tjg62awlek

  • MD5

    fca6ebff3ac803fe6cab95c04bcf1b2e

  • SHA1

    835a5df7b5343f9fefb8ee449f84c5d192ac7bd0

  • SHA256

    a78e66e8532e7558968dfd32c678f4ac038b0dd686239809f22ba5f0bfc43817

  • SHA512

    281ce7e60944cca9a4b266f5bdb373152cbdb181fe980332aeaf3f59af64ce58f9e4a3e096ae8c4f3020e51ac0eb50f5550c0a7409b74814971882b9637777e4

  • SSDEEP

    6144:HWDZxVZxPZxeZxFZxiZxSZx0ZxlZxxZxcZLlSgOEKn:HGZXZ9ZAZHZAZIZGZDZ/ZOZ8pV

Score
10/10
dharmasteamdefense_evasiondiscoveryexecutionimpactpersistencephishingransomwarespywarestealerupx

Malware Config

Targets

    • Target

      sample

    • Size

      598KB

    • MD5

      fca6ebff3ac803fe6cab95c04bcf1b2e

    • SHA1

      835a5df7b5343f9fefb8ee449f84c5d192ac7bd0

    • SHA256

      a78e66e8532e7558968dfd32c678f4ac038b0dd686239809f22ba5f0bfc43817

    • SHA512

      281ce7e60944cca9a4b266f5bdb373152cbdb181fe980332aeaf3f59af64ce58f9e4a3e096ae8c4f3020e51ac0eb50f5550c0a7409b74814971882b9637777e4

    • SSDEEP

      6144:HWDZxVZxPZxeZxFZxiZxSZx0ZxlZxxZxcZLlSgOEKn:HGZXZ9ZAZHZAZIZGZDZ/ZOZ8pV

    Score
    10/10
    dharmasteamdefense_evasiondiscoveryexecutionimpactpersistencephishingransomwarespywarestealerupx

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • Dharma family

      dharma

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (402) 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Detected potential entity reuse from brand STEAM.

      phishingsteam

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

1
T1047

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Direct Volume Access

1
T1006

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

5
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Inhibit System Recovery

2
T1490

Tasks