Overview

overview

8

Static

static

3

version.dll

windows11-21h2-x64

8

Sharing

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General

  • Target
    version.dll
  • Size 1.8MB
  • Sample240901-rvs2katepd
  • SHA256 c67c356f90a9964a75be1d49ad387d081b0a7acd855b4368cde292a3df14e6ff
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
steamdefense_evasiondiscoverypersistencephishingprivilege_escalation

Malware Config

Targets

    • Target
      version.dll
    • Size 1.8MB
    • SHA256 c67c356f90a9964a75be1d49ad387d081b0a7acd855b4368cde292a3df14e6ff
    • MD5 SHA1 SHA512 SSDEEP
    Score
    8/10
    steamdefense_evasiondiscoverypersistencephishingprivilege_escalation

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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)

    • Network Service Discovery

      Attempt to gather information on host's network.

      discovery

    • Detected potential entity reuse from brand steam.

      phishingsteam

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Modify Registry

2
T1112

Subvert Trust Controls

2
T1553

Install Root Certificate

1
T1553.004

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Network Service Discovery

1
T1046

Query Registry

4
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks