Overview

overview

10

Static

static

10

g432hiv1buvynx2k.exe

windows10-2004-x64

10

g432hiv1buvynx2k.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    g432hiv1buvynx2k.exe
  • Size 121KB
  • Sample260806-a7abjsvxg1
  • SHA256 106c43149b856324fe38b4adfc23053a792abc49b98d0c4b8ce050cd6843089e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratgay12311costuradiscoveryexecutionpackerpersistencetrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 1.8

Campaign

  • gay12311

C2

  • vedyxz-44562.portmap.host:44562

Mutex

Attributes
  • anti_virtual

    false

  • certificate

    pxy5si2v0c

  • exclusion_wd

    true

  • hidden_file

    true

  • install

    true

  • install_watch_dog

    true

  • key

    eolgzcj7frahh2hy

  • path_client

    %Cookies%\WindowsHeath.exe

  • path_watch_dog

    %Templates%\svchost.exe

  • pump

    false

  • rootkit

    false

  • task_client

    svchost.exe

  • use_install_admin

    true

  • user_init

    true

Targets

    • Target
      g432hiv1buvynx2k.exe
    • Size 121KB
    • SHA256 106c43149b856324fe38b4adfc23053a792abc49b98d0c4b8ce050cd6843089e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    gay12311discoveryexecutionsheetratpersistencetrojancosturapacker

    • Detects Sheetrat Payload

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

    • Family: Sheetrat, NonEuclid rat

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

      trojansheetrat

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Looks up external IP address via web service

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

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

3
T1012

System Information Discovery

3
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks