Overview

overview

10

Static

static

7

XWorm V3.1 .exe

windows7-x64

10

XWorm V3.1 .exe

windows10-2004-x64

10

Sharing

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General

  • Target

    XWorm V3.1 .exe

  • Size

    10.1MB

  • Sample

    230314-1v2hdaaa77

  • MD5

    320526ae9b5dbd99a38d158578c84ccb

  • SHA1

    60daf13da5fa663c1e7e67ac113fbb5859264b8c

  • SHA256

    91a8aec23ab8e79172c8d7cbf6a733e73157941687eb58e8ffa543b7e721b7ea

  • SHA512

    5c62082634d4abc4bc524b268c5bcf476f6a900cba8becc49e143c8b207f0f661e921a26a62df746236f65a9978b7691e541283835056c9c5a6efac0a382cf0f

  • SSDEEP

    196608:ih0Avmh7fFbZyD3nvCEg+xyZTEQkM1V8/6zCSR6lGCUOGJ1PldRBo+zoDmAYU:iq1pbqdg+yZTUaCkZXOqdbS

Score
10/10
asyncratxwormevasionratthemidatrojan

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Mutex

AsyncMutex_7SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    ContainerRuntime.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/Kb8rTgY7

aes.plain

Targets

    • Target

      XWorm V3.1 .exe

    • Size

      10.1MB

    • MD5

      320526ae9b5dbd99a38d158578c84ccb

    • SHA1

      60daf13da5fa663c1e7e67ac113fbb5859264b8c

    • SHA256

      91a8aec23ab8e79172c8d7cbf6a733e73157941687eb58e8ffa543b7e721b7ea

    • SHA512

      5c62082634d4abc4bc524b268c5bcf476f6a900cba8becc49e143c8b207f0f661e921a26a62df746236f65a9978b7691e541283835056c9c5a6efac0a382cf0f

    • SSDEEP

      196608:ih0Avmh7fFbZyD3nvCEg+xyZTEQkM1V8/6zCSR6lGCUOGJ1PldRBo+zoDmAYU:iq1pbqdg+yZTUaCkZXOqdbS

    Score
    10/10
    asyncratxwormevasionratthemidatrojan

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Async RAT payload

      rat

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks