Overview

overview

8

Static

static

1

UltraViewe...en.exe

windows7-x64

8

UltraViewe...en.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    UltraViewer_setup_6.6.108_en.exe

  • Size

    3.5MB

  • Sample

    241024-zgq9tatdlf

  • MD5

    cd546a1249e93ce0bc7df42fd06b3c68

  • SHA1

    9adb885f54107908413787d29dc8a3c04b2d19f5

  • SHA256

    fbcca6ee7a05063c2e7816f771b0ce370bc498620e2a8209ce2c0a50ee177313

  • SHA512

    b232ae44534f9ca77deb8b1291d902506f35d5de5c399f193c16198f7e3564e741f076e3763cf14e6ca779d2058b9ac57bfc53e09285326b752acd3affec5318

  • SSDEEP

    98304:D5zMfaTDdmodjsyRVfaP3kAjiWJrZWd9ViPJ:DO0ZjdjhVlncW7cJ

Score
8/10
bootkitdiscoveryevasionexecutionpersistenceupx

Malware Config

Targets

    • Target

      UltraViewer_setup_6.6.108_en.exe

    • Size

      3.5MB

    • MD5

      cd546a1249e93ce0bc7df42fd06b3c68

    • SHA1

      9adb885f54107908413787d29dc8a3c04b2d19f5

    • SHA256

      fbcca6ee7a05063c2e7816f771b0ce370bc498620e2a8209ce2c0a50ee177313

    • SHA512

      b232ae44534f9ca77deb8b1291d902506f35d5de5c399f193c16198f7e3564e741f076e3763cf14e6ca779d2058b9ac57bfc53e09285326b752acd3affec5318

    • SSDEEP

      98304:D5zMfaTDdmodjsyRVfaP3kAjiWJrZWd9ViPJ:DO0ZjdjhVlncW7cJ

    Score
    8/10
    bootkitdiscoveryevasionexecutionpersistenceupx

    • Stops running service(s)

      evasionexecution

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

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

      discovery

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

2
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Network Share Discovery

1
T1135

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks