Overview

overview

8

Static

static

1

NordInstaller.exe

windows11-21h2-x64

8

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General

  • Target
    NordInstaller.exe
  • Size 11.6MB
  • Sample261012-wae2esvx3m
  • SHA256 c78c8e68178d6a418d427ab7d65bd47c2d30cb2247ea3d9f450a5d72d8ebeb08
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationransomwarespywaretrojanupx

Malware Config

Targets

    • Target
      NordInstaller.exe
    • Size 11.6MB
    • SHA256 c78c8e68178d6a418d427ab7d65bd47c2d30cb2247ea3d9f450a5d72d8ebeb08
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationransomwarespywaretrojanupx

    • Drops file in Drivers directory

    • Modifies file permissions

      discovery

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • UPX packed file

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

      upx
    behavioral1

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

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Netsh Helper DLL

1
T1546.007

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Query Registry

6
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks