Overview

overview

10

Static

static

10

saikucord.exe

windows10-ltsc 2021-x64

10

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General

  • Target

    saikucord.exe

  • Size

    8.4MB

  • Sample

    250208-ybtbjsznc1

  • MD5

    260712bf45b34f65d693fc351b782095

  • SHA1

    6c9e34a4e17bd1d3a1ab57b74ac5b202036bd263

  • SHA256

    b9e83c9540c89607016af6d8f8e10159b3cd6724573f84d874f156c1ae0a1fe4

  • SHA512

    3f69e12d64394fce33a7f0039e5620acbd95fc7a64c4e10c87aa3a2ca47e0f4b0c8b513de8b8e8ea6aa7aa51d63f037a4b9ec564afa5a0d7f03ba784a7ff7cbe

  • SSDEEP

    196608:UmDRkdDwfI9jUCBB7m+mKOY7rXrZu6SELooDmhfvsbnTNWK:pa2IHL7HmBYXrkRoaUNt

Score
10/10
blankgrabberadwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationstealerupx

Malware Config

Targets

    • Target

      saikucord.exe

    • Size

      8.4MB

    • MD5

      260712bf45b34f65d693fc351b782095

    • SHA1

      6c9e34a4e17bd1d3a1ab57b74ac5b202036bd263

    • SHA256

      b9e83c9540c89607016af6d8f8e10159b3cd6724573f84d874f156c1ae0a1fe4

    • SHA512

      3f69e12d64394fce33a7f0039e5620acbd95fc7a64c4e10c87aa3a2ca47e0f4b0c8b513de8b8e8ea6aa7aa51d63f037a4b9ec564afa5a0d7f03ba784a7ff7cbe

    • SSDEEP

      196608:UmDRkdDwfI9jUCBB7m+mKOY7rXrZu6SELooDmhfvsbnTNWK:pa2IHL7HmBYXrkRoaUNt

    Score
    10/10
    adwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationstealerupx

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

      defense_evasion

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Downloads MZ/PE file

    • 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

    • 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

    • Installs/modifies Browser Helper Object

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

      stealeradware

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

      discovery

    • UPX packed file

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

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Browser Extensions

1
T1176

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

4
T1112

Credential Access

Discovery

Process Discovery

1
T1057

Query Registry

2
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks