Overview

overview

10

Static

static

3

SvinBuilde...ub.exe

windows10-2004-x64

10

SvinBuilde...er.exe

windows10-2004-x64

3

SvinBuilder/dnlib.dll

windows10-2004-x64

1

Sharing

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General

  • Target
    SvinBuilder.rar
  • Size 5.6MB
  • Sample260818-1fs8fsbf39
  • SHA256 e2f59b37b61186fbeeb0ba3377512ee06d9ce5887d9e01ba4acb1521e68947b5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoveryevasionexecutionpersistencetrojan

Malware Config

Targets

    • Target
      SvinBuilder/Stub/stub.exe
    • Size 5.7MB
    • SHA256 0831f3d90eefd65a02ead758f1713d2ce2bc51a55e8111bc87a12b924c6ef099
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryevasionexecutionpersistencetrojan

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • UAC bypass

      defense_evasiontrojan

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

      defense_evasion

    • Drops file in System32 directory

    behavioral1
    • Target
      SvinBuilder/SvinoLockBuilder.exe
    • Size 10KB
    • SHA256 07724286e3b5bea579a3bea20a912155737010cf7c9baabb180da22c60e63f1b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral2
    • Target
      SvinBuilder/dnlib.dll
    • Size 1.1MB
    • SHA256 97ef5328d1d1703924c48d9cd1d45b7227fe3836e116dcded623b6a0dbd52c23
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral3

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Indicator Removal

1
T1070

Clear Persistence

1
T1070.009

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

1
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