Analysis

  • max time kernel
    153s
  • max time network
    163s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10/04/2024, 14:00

General

  • Target

    New Purchase Order-030220- SMART SOURCING INC.exe

  • Size

    678KB

  • MD5

    232133c728296ced5f12e41b04ac5fb5

  • SHA1

    538516074b44cdcca645a71e4be8de4fbc274e03

  • SHA256

    dfde34f40aeed6c22dbc802fe701507eaf6128ef9d530eaa29675cbf7d972cc6

  • SHA512

    9a2e39c6457109146a29103282fc9d56db398f5e16bf8d8ffefe9481e625ba9178ede3d2303fc2e2ad0285b4962ecebc08ab6ac25750efdc4aecfa3034dbcc1a

  • SSDEEP

    12288:qMu7vJgCfeUA94QAyS3ewHXsnn38zVzMfpNemioprHlJM:q5mZ2emcnn38pzE4InM

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

SOLOMON

C2

grantadistciaret.com:3212

grantadistciaret.com:3223

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %Temp%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    RmcxeJ-GSQVVR

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Purchase Order-030220- SMART SOURCING INC.exe
    "C:\Users\Admin\AppData\Local\Temp\New Purchase Order-030220- SMART SOURCING INC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1992

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\remcos\logs.dat

          Filesize

          144B

          MD5

          7cf429de08790c614edf97c1c11203cc

          SHA1

          19fc2827f2c2761344dfb8662d493c4bd5a86db9

          SHA256

          0cae841406e830da892d4da54705129c360f8a219172ec5b9103429e326cbbe5

          SHA512

          dc33aeb7da1740361a456a4089a71a978ad37d7ea0296fd8dd37a1cc8b60397c57c99fbc4caa2d03b7700114fbb0fedecc98cb4141a7da7d5d2295f500f4526b

        • memory/1992-6-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-29-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-54-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-53-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-47-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-16-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-8-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-41-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-9-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-11-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-14-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-12-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-34-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-42-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-28-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-22-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-23-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-15-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1992-21-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/3036-1-0x000002D58DD20000-0x000002D58DDCE000-memory.dmp

          Filesize

          696KB

        • memory/3036-2-0x000002D58FB00000-0x000002D58FB86000-memory.dmp

          Filesize

          536KB

        • memory/3036-10-0x00007FFF3CAA0000-0x00007FFF3D562000-memory.dmp

          Filesize

          10.8MB

        • memory/3036-0-0x00007FFF3CAA0000-0x00007FFF3D562000-memory.dmp

          Filesize

          10.8MB

        • memory/3036-5-0x000002D58E1D0000-0x000002D58E1DA000-memory.dmp

          Filesize

          40KB

        • memory/3036-4-0x000002D58FC20000-0x000002D58FC30000-memory.dmp

          Filesize

          64KB

        • memory/3036-3-0x000002D58E1C0000-0x000002D58E1C6000-memory.dmp

          Filesize

          24KB