Overview

overview

10

Static

static

3

ISF (TWN24...cr.exe

windows7-x64

10

ISF (TWN24...cr.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ISF (TWN24110458 - Invoice & Packing List PO POUS120000241, POUS120000771.scr.exe

  • Size

    945KB

  • Sample

    241202-zwketasng1

  • MD5

    a21780a599c30bcf11b6152ff9d16be2

  • SHA1

    953f98a9904c76b275809bad78d16cf550f2483d

  • SHA256

    93ea6ac422f90a1031160360409fea1c16c533be06cc2b6e71e748ee3d20683a

  • SHA512

    8e1f69a23b508c2cc4c61b001b91645a91211c89e11d35237cc78890c68f96362151a7db7da85045d9a639bd717110e965c92eaaa546b8f9702620e6022d8d59

  • SSDEEP

    24576:gjb4DeayiRyXCTovSWHH00vbqc+Su9NvyqWPCx:gf5+k1n00D4ScN69PCx

Score
10/10
remcosremotehostcollectiondiscoverypersistenceratspywarestealer

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Adobe.exe

  • copy_folder

    Adobe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Adobe_Nov-3XE9WN

  • 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

      ISF (TWN24110458 - Invoice & Packing List PO POUS120000241, POUS120000771.scr.exe

    • Size

      945KB

    • MD5

      a21780a599c30bcf11b6152ff9d16be2

    • SHA1

      953f98a9904c76b275809bad78d16cf550f2483d

    • SHA256

      93ea6ac422f90a1031160360409fea1c16c533be06cc2b6e71e748ee3d20683a

    • SHA512

      8e1f69a23b508c2cc4c61b001b91645a91211c89e11d35237cc78890c68f96362151a7db7da85045d9a639bd717110e965c92eaaa546b8f9702620e6022d8d59

    • SSDEEP

      24576:gjb4DeayiRyXCTovSWHH00vbqc+Su9NvyqWPCx:gf5+k1n00D4ScN69PCx

    Score
    10/10
    remcosremotehostcollectiondiscoverypersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks