Overview

overview

10

Static

static

10

Client.exe

windows10-ltsc_2021-x64

10

Sharing

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General

  • Target
    Client.exe
  • Size 557KB
  • Sample261012-s9943agv2p
  • SHA256 5029b0347c21b4b1139de9c5530f7659759624a359ffd0e05209e981ef3f57ca
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratsheet_tcwjcmmwqyakvkdiscoveryexecutionpersistencetrojan

Malware Config

Extracted

Family

  • sheetrat

Campaign

  • Sheet_tcwjcmmwqyakvk

C2

  • lgzhj-195-5-58-184.run.pinggy-free.link:41469

Targets

    • Target
      Client.exe
    • Size 557KB
    • SHA256 5029b0347c21b4b1139de9c5530f7659759624a359ffd0e05209e981ef3f57ca
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    sheet_tcwjcmmwqyakvkdiscoveryexecutionsheetratpersistencetrojan

    • Detects Sheetrat obfuscated V1.8 and higher

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

    • Detects Sheetrat obfuscated version

    • Family: Sheetrat, NonEuclid rat

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

      trojansheetrat

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1

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

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

3
T1012

System Information Discovery

2
T1082

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks