Overview

overview

10

Static

static

10

4q4nhumya1pua7fi.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    4q4nhumya1pua7fi.exe
  • Size 126KB
  • Sample261014-vr6p2ayway
  • SHA256 cd99929807154e3cea6e991088b4c0fce1547bbf1c21667df6fd4bc5dcd8a447
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetrat51725defense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 1.8

Campaign

  • 51725

C2

  • mama228-51725.portmap.host

Mutex

  • 51725

Attributes
  • anti_virtual

    false

  • certificate

    m1cr6rlghtb7kdiqlbgka6

  • exclusion_wd

    true

  • hidden_file

    true

  • install

    true

  • install_watch_dog

    true

  • key

    mr2vy97bi

  • path_client

    %Windows%\gas.exe

  • path_watch_dog

    %UserProfile%\Conhost.exe

  • pump

    true

  • rootkit

    false

  • task_client

    gas.exe

  • task_watch_dog

    ajamhyt

  • use_install_admin

    true

  • user_init

    true

Targets

    • Target
      4q4nhumya1pua7fi.exe
    • Size 126KB
    • SHA256 cd99929807154e3cea6e991088b4c0fce1547bbf1c21667df6fd4bc5dcd8a447
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    51725defense_evasiondiscoveryexecutionsheetratpersistenceprivilege_escalationtrojan

    • 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

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Executes dropped EXE

    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

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

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

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks