Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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:3228
    • 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:2076

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\remcos\logs.dat

          Filesize

          144B

          MD5

          e18d26d4f16f3cd78a7eb442a5e18d08

          SHA1

          dbaa82727faed64a5316bcad89c60d63ef8cf20d

          SHA256

          1e9fec3aa07267f67eb8a4f7dc54bd35d6f5180c1afc9b0fd4a00a6f121b5b6c

          SHA512

          2707b40ead9a013b91e5657f9849af24ae62693ed55392a25149fcf10e6d297a4cb02d085721f09b5ce5d130b4def2dbc93a523a76e27d017d8a64d1b875cc75

        • memory/2076-6-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-42-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-54-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-53-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-47-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-16-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-41-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-8-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-10-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-12-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-11-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-14-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-34-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-15-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-28-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-22-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-23-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-29-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2076-21-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/3228-1-0x00007FF8298B0000-0x00007FF82A371000-memory.dmp

          Filesize

          10.8MB

        • memory/3228-2-0x000001CC24F20000-0x000001CC24FA6000-memory.dmp

          Filesize

          536KB

        • memory/3228-9-0x00007FF8298B0000-0x00007FF82A371000-memory.dmp

          Filesize

          10.8MB

        • memory/3228-0-0x000001CC0AA00000-0x000001CC0AAAE000-memory.dmp

          Filesize

          696KB

        • memory/3228-5-0x000001CC0AE60000-0x000001CC0AE6A000-memory.dmp

          Filesize

          40KB

        • memory/3228-4-0x000001CC25110000-0x000001CC25120000-memory.dmp

          Filesize

          64KB

        • memory/3228-3-0x000001CC0AE50000-0x000001CC0AE56000-memory.dmp

          Filesize

          24KB