Overview

overview

10

Static

static

1

file.vbs

windows7-x64

10

file.vbs

windows10-2004-x64

10

Sharing

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General

  • Target
    file.vbs
  • Size 539B
  • Sample240525-tkmsxaae22
  • SHA256 4a62f4f5444c21f4eea648f052ee094237008f2d4c0d9b01e3c3d8a0faa54e8f
  • MD5 SHA1 SHA512
Score
10/10
adwareevasionpersistencestealer

Malware Config

Targets

    • Target
      file.vbs
    • Size 539B
    • SHA256 4a62f4f5444c21f4eea648f052ee094237008f2d4c0d9b01e3c3d8a0faa54e8f
    • MD5 SHA1 SHA512
    Score
    10/10
    adwareevasionpersistencestealer

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Modifies Installed Components in the registry

      persistence

    • Registers new Print Monitor

      persistence

    • Sets file execution options in registry

      persistence

    • Checks computer location settings

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

    • Modifies system executable filetype association

      persistence

    • Registers COM server for autorun

      persistence

    • Adds Run key to start application

      persistence

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

6
T1547

Registry Run Keys / Startup Folder

6
T1547.001

Browser Extensions

1
T1176

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

6
T1547

Registry Run Keys / Startup Folder

6
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Modify Registry

11
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

6
T1012

System Information Discovery

6
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks