Overview

overview

10

Static

static

3

2026-08-20...ex.exe

windows10-2004-x64

10

2026-08-20...ex.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-08-20_37718dbe2540bfad46aa5c7295bdec19_akira_cobalt-strike_elex
  • Size 855KB
  • Sample260821-axpcqayhra
  • SHA256 622e3220a7fba0394e0d36d5dde6ed3ae5d9f55baa0819dd1d6f3182b5f41b27
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratdefense_evasiondiscoveryevasionexecutionpersistencetrojan

Malware Config

Targets

    • Target
      2026-08-20_37718dbe2540bfad46aa5c7295bdec19_akira_cobalt-strike_elex
    • Size 855KB
    • SHA256 622e3220a7fba0394e0d36d5dde6ed3ae5d9f55baa0819dd1d6f3182b5f41b27
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryevasionexecutionsheetratpersistencetrojan

    • 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 Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Modifies Windows Defender TamperProtection settings

      evasiontrojan

    • Modifies security service

      defense_evasion

    • UAC bypass

      defense_evasiontrojan

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables (downlaoders) containing URLs to raw contents of a paste

    • Detects executables embedding registry key / value combination indicative of disabling Windows Defen

    • Checks computer location settings

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

    • Executes dropped EXE

    • Stops running service(s)

      defense_evasionexecution

    • Windows security modification

      defense_evasiontrojan

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • 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

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Create or Modify System Process

4
T1543

Windows Service

4
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

5
T1562

Disable or Modify Tools

4
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks