Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2025, 05:45

General

  • Target

    REQUESTQUOTATIONORDERPO17988857CarlssoonTechnologies.exe

  • Size

    594KB

  • MD5

    7dc2d6abf1444596ae6344aad1738740

  • SHA1

    eb01b9ea5342bf67106fff594fdaefdf69b3a271

  • SHA256

    bc07663dd2914cb55cd9ec17a9e2e751f1903ccfd61727494403a6ea565d1f60

  • SHA512

    81986303fc26aba1b8b7497f7bca57f7f2a39d9fdaa4a49e1da6fafe7bbbfc281896942f70a3db6ab562c450f43769ac60193d14054469119bc6e510e4b03204

  • SSDEEP

    12288:l5TLXTKZmsAYgRNLZ3ABJyN/79p5gHvZ2aMtAlKVjedx2cNb3io6W4w:v/AmszgRNLZwBJyt79p0vBM+MdedUezx

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

23.95.235.13:2404

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-ONO9ZA

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Guloader family
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Remcos

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

  • Remcos family
  • UAC bypass 3 TTPs 1 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 14 IoCs
  • Adds Run key to start application 2 TTPs 7 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 7 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REQUESTQUOTATIONORDERPO17988857CarlssoonTechnologies.exe
    "C:\Users\Admin\AppData\Local\Temp\REQUESTQUOTATIONORDERPO17988857CarlssoonTechnologies.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\REQUESTQUOTATIONORDERPO17988857CarlssoonTechnologies.exe
      "C:\Users\Admin\AppData\Local\Temp\REQUESTQUOTATIONORDERPO17988857CarlssoonTechnologies.exe"
      2⤵
      • UAC bypass
      • Adds Run key to start application
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • System policy modification
      PID:4632
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4188
    • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:5456
      • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        PID:3372
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5680
    • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:5608
      • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        PID:1584
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:5312
      • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        PID:2604
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        PID:4348
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:116
    • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:5976
      • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        PID:5532
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3168
      • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
        3⤵
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        PID:2564
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:2556

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\forsikringsdirektren\pacesetting\Muskel.Ski

    Filesize

    374KB

    MD5

    6b5e338a53a36fa531e4446ab4c562f3

    SHA1

    b1da3532708aa8fcd3c63e56dce2e3e44bb23800

    SHA256

    df34dfafdacabd4fff93d051f6e713ca7bb78d54bc5ad73c1bdb127bacae93dd

    SHA512

    29f3055785c02e9eb922859ea7977328f9d794a95b02d35d17a4b662350682af140d489d6f46c432109c021b98fccae94861fd0a9c4d1502c0e8d1c84a87c8c8

  • C:\Users\Admin\AppData\Local\Temp\nsj69F6.tmp\System.dll

    Filesize

    11KB

    MD5

    ee260c45e97b62a5e42f17460d406068

    SHA1

    df35f6300a03c4d3d3bd69752574426296b78695

    SHA256

    e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27

    SHA512

    a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3

  • C:\Users\Admin\AppData\Roaming\subfolder1\Barrikin.exe

    Filesize

    594KB

    MD5

    7dc2d6abf1444596ae6344aad1738740

    SHA1

    eb01b9ea5342bf67106fff594fdaefdf69b3a271

    SHA256

    bc07663dd2914cb55cd9ec17a9e2e751f1903ccfd61727494403a6ea565d1f60

    SHA512

    81986303fc26aba1b8b7497f7bca57f7f2a39d9fdaa4a49e1da6fafe7bbbfc281896942f70a3db6ab562c450f43769ac60193d14054469119bc6e510e4b03204

  • memory/1584-75-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/1584-76-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/1584-63-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/2092-26-0x0000000004160000-0x0000000004BDA000-memory.dmp

    Filesize

    10.5MB

  • memory/2092-24-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/2092-23-0x0000000077B31000-0x0000000077C51000-memory.dmp

    Filesize

    1.1MB

  • memory/2092-22-0x0000000004160000-0x0000000004BDA000-memory.dmp

    Filesize

    10.5MB

  • memory/2564-135-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/2564-136-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/2604-91-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/2604-90-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/2604-78-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/3372-48-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/3372-60-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/3372-61-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4348-105-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/4348-106-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-95-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-65-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-47-0x0000000077B31000-0x0000000077C51000-memory.dmp

    Filesize

    1.1MB

  • memory/4632-77-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-45-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-80-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-44-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/4632-39-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-92-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-107-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-50-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-31-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/4632-62-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-137-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-110-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-27-0x0000000077BB8000-0x0000000077BB9000-memory.dmp

    Filesize

    4KB

  • memory/4632-28-0x0000000077B31000-0x0000000077C51000-memory.dmp

    Filesize

    1.1MB

  • memory/4632-122-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/4632-125-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/5532-121-0x0000000000460000-0x00000000016B4000-memory.dmp

    Filesize

    18.3MB

  • memory/5532-120-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB

  • memory/5532-108-0x00000000016C0000-0x000000000213A000-memory.dmp

    Filesize

    10.5MB