Overview

overview

10

Static

static

3

TNT invoic...24.exe

windows7-x64

10

TNT invoic...24.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    544c5f2f22e444b131f0b0f6c2b01c6f0c84356dea8aa805d3292ccb2c67aaf5

  • Size

    913KB

  • Sample

    241003-vnh5kazfke

  • MD5

    fb9dbcc64a2c44163bbf4bf30b83a3e9

  • SHA1

    da34f9f38e4c579109b10b416051014697b4313d

  • SHA256

    544c5f2f22e444b131f0b0f6c2b01c6f0c84356dea8aa805d3292ccb2c67aaf5

  • SHA512

    9ec8aad64f81729c6ec820895d5968a8f987095a1af55001e745c3a514a1ad34f7979c618185db74b7de485714856ee723fcb081723a659d6b8f33902015b99c

  • SSDEEP

    24576:Kf7Hl3lo/T2Chk5RiaJPKYTJEceUxH6UH21zq9Y:KfTO6ChuRSC2U16UkzcY

Score
10/10
remcosirnserv1discoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

IRNSERV1

C2

irnserv1.ddns.net:4424

Attributes
  • audio_folder

    MicRecords

  • 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

    Rmc-20UF0Z

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      TNT invoice 10.3.2024.exe

    • Size

      988KB

    • MD5

      8e096c769a06afc7cb0d2e4903632829

    • SHA1

      5d1887cbc765869914c5a5139806ca960c1f5c5c

    • SHA256

      7e5f8060468b9e18265644190e564d0b53d6eeb0b4cf3b3e35405d3a4447fc1b

    • SHA512

      911750d486f469ea98f6e2895bd65657c85a20804b1c06eaf3edbd35f20a76c729c9a39ead4bc5db705300aa4c10740c0190cac1ac0d900f77b95171a16f3073

    • SSDEEP

      24576:xgpPDplZrOxmv3s4XVZOL8MevAUxZZ6UHxOt4UXZ:x8Fgmv3s4XHW8sUp6UU3XZ

    Score
    10/10
    remcosirnserv1discoveryexecutionrat

    • Remcos

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

      ratremcos

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks