Overview

overview

10

Static

static

1

sheet rat v2.6.zip

windows11-21h2-x64

10

Sharing

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General

  • Target
    sheet rat v2.6.zip
  • Size 49.6MB
  • Sample261011-yfap1awvhv
  • SHA256 38534b0f4a9a4c9bda7bb211b30a26a04e72424c7dcc7e58d1b745855458e1ce
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
dcratsheetratxmrigdefense_evasiondiscoveryexecutioninfostealerminerpersistenceprivilege_escalationpyinstallerrattrojan

Malware Config

Targets

    • Target
      sheet rat v2.6.zip
    • Size 49.6MB
    • SHA256 38534b0f4a9a4c9bda7bb211b30a26a04e72424c7dcc7e58d1b745855458e1ce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutiondcratsheetratxmriginfostealerminerpersistenceprivilege_escalationpyinstallerrattrojan

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Detects Sheetrat Payload

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

    • Family: DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Family: Sheetrat, NonEuclid rat

      Sheetrat aka NonEuclid RAT is a trojan written in C#.

      trojansheetrat

    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner payload

      miner

    • 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

    • Modifies system executable filetype association

      persistence

    • Checks installed software on the system

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

      discovery

    • Looks up external IP address via web service

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

      discovery

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

Visual Basic

1
T1059.005

Windows Command Shell

1
T1059.003

Persistence

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Modify Registry

1
T1112

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks