Overview

overview

10

Static

static

3

KELS260757...6).exe

windows10-2004-x64

10

KELS260757...6).exe

windows11-ltsc_2024-x64

10

SO#N472.J8...cx.exe

windows10-2004-x64

10

SO#N472.J8...cx.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    01102026_1433_01102026_SO#N472.J851.J852.J853.J854.N471.J855 - [TWN26100262].rar
  • Size 1.4MB
  • Sample261001-rwwtva1cmd
  • SHA256 d0915b179271c0bc2a74f2c69b4ee1dd5ad00adcda2a7dc958a5cf34a7457980
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosxwormremotehostcollectiondiscoveryratspywarestealertrojan

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • RemoteHost

C2

  • 172.94.15.100:6075

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    MS-Office-6O8SUV

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

  • xworm

Version

  • XWorm V7.4

C2

  • 172.94.15.100:6070

Attributes
  • install_file

    USB.exe

Targets

    • Target
      KELS2607576 TAX INVOICE - SKELS26007576_A - 0225535 (01-Oct-26).exe
    • Size 1.0MB
    • SHA256 58d1bc7f41c9ca60f37070a0d6d9bae70e4d013a587aaa1a58ed95c2f3016991
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    remotehostcollectiondiscoveryremcosratspywarestealer

    • Family: Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2
    • Target
      SO#N472.J851.J852.J853.J854.N471.J855 - [TWN26100262].docx.exe
    • Size 559KB
    • SHA256 4bfe304587633df9d042ede596f957bace69740c37bc40a6635cabe101802c65
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryxwormrattrojan

    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

    behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks