Overview

overview

10

Static

static

1

SOA.exe

windows7-x64

10

SOA.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    205s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/02/2023, 14:07

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General

  • Target
    SOA.exe
  • Size 500KB
  • Sample230210-re1fpscg48
  • SHA256 28894ebd9537959f6d45cb8f5cd21fcff66472820f5e8bcc6944276fa32c2623
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
remcosremotehostrat

Malware Config

Extracted

Family

  • remcos

Botnet

  • RemoteHost

C2

  • 45.87.61.104:3033

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-QWPMSY

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

    ratremcos
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Users\Admin\AppData\Local\Temp\expdvnqqrv.exe
      "C:\Users\Admin\AppData\Local\Temp\expdvnqqrv.exe" C:\Users\Admin\AppData\Local\Temp\crknczhovul.i
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4624
      • C:\Users\Admin\AppData\Local\Temp\expdvnqqrv.exe
        "C:\Users\Admin\AppData\Local\Temp\expdvnqqrv.exe"
        3⤵
        • Executes dropped EXE
        PID:2640

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        crknczhovul.i
        • Path C:\Users\Admin\AppData\Local\Temp\crknczhovul.i
        • Size 5KB
        • SHA256 6dfe0da184a6e0634f037537f8f672083dd6bec25b6032b474ec4267cacbf13d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        expdvnqqrv.exe
        • Path C:\Users\Admin\AppData\Local\Temp\expdvnqqrv.exe
        • Size 67KB
        • SHA256 c6baf53b2c306624b5e89700f4a41a74365632becdb11a0f88c61388f716272a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        expdvnqqrv.exe
        • Path C:\Users\Admin\AppData\Local\Temp\expdvnqqrv.exe
        • Size 67KB
        • SHA256 c6baf53b2c306624b5e89700f4a41a74365632becdb11a0f88c61388f716272a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        expdvnqqrv.exe
        • Path C:\Users\Admin\AppData\Local\Temp\expdvnqqrv.exe
        • Size 67KB
        • SHA256 c6baf53b2c306624b5e89700f4a41a74365632becdb11a0f88c61388f716272a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        fdxvje.g
        • Path C:\Users\Admin\AppData\Local\Temp\fdxvje.g
        • Size 496KB
        • SHA256 0ca364c4e7e9c0307697822474e2292f34a9f804b3bc15fc112d47cfb359b24c
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/2640-139-0x0000000000400000-0x0000000000480000-memory.dmp
        Download

        memory/2640-140-0x0000000000400000-0x0000000000480000-memory.dmp
        Download