Overview

overview

10

Static

static

3

OrderBJ02-...df.exe

windows7-x64

10

OrderBJ02-...df.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-11-2024 16:35

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General

  • Target

    OrderBJ02-JUNMA016118313306pdf.exe

  • Size

    3.4MB

  • MD5

    2a3fffe85434fb8cc6a49f3778fc018e

  • SHA1

    fc02539e02aeead5dcb46748c8ba92972b2ebbe4

  • SHA256

    a62483d750894703fef38a93f05ed625a25aba89fe80f79318d1193b39cdc198

  • SHA512

    89e8dda82c126f4a5b05c40bcd7cbbbd961c03822aaf4cef09d8a66b02973bb8d0340ffee64ed4aeb18b113cdf4f1aba7464dd290d02edadbd94dea3408496f0

  • SSDEEP

    12288:bezvK8hN5Ei531csIOMRn0ubNDLGgzfRRig8Bl7b76bwpXdcHe+8RpqZUJ9AR:bGS8hwi5RIN0ubJSgOPlUz8RIs9AR

Score
10/10
remcoswegooddiscoveryevasionexecutionrattrojan

Malware Config

Extracted

Family

remcos

Botnet

WEgood

C2

198.46.178.152:2025

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-BQ3GSA

  • 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.

    ratremcos
  • Remcos family
    remcos
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 2 IoCs
    evasiontrojan
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Windows security modification 2 TTPs 3 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\OrderBJ02-JUNMA016118313306pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\OrderBJ02-JUNMA016118313306pdf.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2832
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\OrderBJ02-JUNMA016118313306pdf.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:432
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
      2⤵
        PID:3448
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:1264
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
          PID:3004

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qxkot5io.4bl.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        Download Submit

      • memory/432-4-0x00007FF858790000-0x00007FF859251000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/432-5-0x00007FF858790000-0x00007FF859251000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/432-11-0x0000022849A40000-0x0000022849A62000-memory.dmp

        Filesize

        136KB

        Download

      • memory/432-16-0x00007FF858790000-0x00007FF859251000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/432-20-0x00007FF858790000-0x00007FF859251000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/1264-17-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

        Download

      • memory/2832-0-0x00007FF858793000-0x00007FF858795000-memory.dmp

        Filesize

        8KB

        Download

      • memory/2832-1-0x000001A99DD40000-0x000001A99DD48000-memory.dmp

        Filesize

        32KB

        Download

      • memory/2832-2-0x00007FF858790000-0x00007FF859251000-memory.dmp

        Filesize

        10.8MB

        Download

      • memory/2832-3-0x000001A9B85D0000-0x000001A9B86A0000-memory.dmp

        Filesize

        832KB

        Download

      • memory/2832-22-0x00007FF858790000-0x00007FF859251000-memory.dmp

        Filesize

        10.8MB

        Download