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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/09/2024, 19:46

General

  • Target

    QUOTATION.exe

  • Size

    900KB

  • MD5

    a1e1f9aef9a168423b2f0cd1dbe2ba9a

  • SHA1

    921abb3a628f79b295c92d7298da8dfedc1b9376

  • SHA256

    66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d

  • SHA512

    6281720fd5a85723cb6cc85845fa4895cf0190cad58a4924c2a36a0d7d7b6f41b4a2f1c7bf005e969c5e973294c287a3c5c1c2c91029fd40b0d6a697e2bcd673

  • SSDEEP

    24576:kpdp7oz4EdD2Vw6byE1MVoLVKbG65MyekkQ40e8nk9IN:kP7iqLy5VoLVCdJe5QX

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.projectusf.com:2404

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

    gfh

  • mouse_option

    false

  • mutex

    Rmc-J91LMC

  • 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.

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AWLIvgmtRIHlb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4732
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AWLIvgmtRIHlb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD467.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2684
    • C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
      2⤵
        PID:2776
      • C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
        "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1432

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\gfh\logs.dat

      Filesize

      144B

      MD5

      7f562f636064208256fe3dbc39fa4de6

      SHA1

      aa28673c4bed7dfe066cbaed0a83009cddfda9c3

      SHA256

      5f2804145a65b4c9ecf9a7883830e3e96b9b8443123017bd245cff259751a3bd

      SHA512

      6d70b9263fe7b1c20f32483bffe5da3dc59438108821a35474c20f479383b78e995410efa789bc8b43d4dc16ff437f21e807da12cc6dec8feeac742419b380ae

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zbxcluoi.v0k.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD467.tmp

      Filesize

      1KB

      MD5

      0d82d800a5155522a530db387e6c7de3

      SHA1

      f0ed4257532231a84a27cb55ab577609b4863eca

      SHA256

      d61e66c37b8bc26e07db4e603eef3ea1e2f407896c85acef6cdcdc9427be39a2

      SHA512

      fb59f5f8e56c905c4f4283edd17f8e193433627b1bb1c67ed2e233406ad9fec17cd6a552c70af45387f8f464b26fb661da82acd2b36f6183e6845e9aece14156

    • memory/1432-80-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-116-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-151-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-150-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-148-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-147-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-145-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-144-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-142-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-141-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-140-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-138-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-137-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-136-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-134-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-83-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-131-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-130-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-128-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-42-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-41-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-127-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-38-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-44-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-126-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-124-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-123-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-122-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-119-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-118-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-82-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-115-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-114-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-112-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-111-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-110-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-108-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-84-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-105-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-104-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-102-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-101-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-100-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-72-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-73-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-75-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-76-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-78-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-79-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-35-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-37-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-133-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-107-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-86-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-87-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-88-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-34-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-90-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-91-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-93-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-94-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-96-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-97-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1432-98-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1856-10-0x000000000BD70000-0x000000000BE0C000-memory.dmp

      Filesize

      624KB

    • memory/1856-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

      Filesize

      4KB

    • memory/1856-1-0x0000000000BE0000-0x0000000000CC8000-memory.dmp

      Filesize

      928KB

    • memory/1856-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

      Filesize

      5.6MB

    • memory/1856-3-0x0000000005790000-0x0000000005822000-memory.dmp

      Filesize

      584KB

    • memory/1856-4-0x00000000056C0000-0x00000000056CA000-memory.dmp

      Filesize

      40KB

    • memory/1856-5-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1856-6-0x0000000005950000-0x0000000005962000-memory.dmp

      Filesize

      72KB

    • memory/1856-43-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1856-7-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

      Filesize

      4KB

    • memory/1856-8-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/1856-9-0x00000000094C0000-0x0000000009580000-memory.dmp

      Filesize

      768KB

    • memory/4732-61-0x0000000007150000-0x000000000716A000-memory.dmp

      Filesize

      104KB

    • memory/4732-16-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4732-46-0x0000000006390000-0x00000000063DC000-memory.dmp

      Filesize

      304KB

    • memory/4732-45-0x0000000005E20000-0x0000000005E3E000-memory.dmp

      Filesize

      120KB

    • memory/4732-33-0x0000000005830000-0x0000000005B84000-memory.dmp

      Filesize

      3.3MB

    • memory/4732-71-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4732-23-0x00000000056C0000-0x0000000005726000-memory.dmp

      Filesize

      408KB

    • memory/4732-60-0x00000000077A0000-0x0000000007E1A000-memory.dmp

      Filesize

      6.5MB

    • memory/4732-20-0x0000000004D80000-0x0000000004DA2000-memory.dmp

      Filesize

      136KB

    • memory/4732-19-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4732-17-0x0000000004F20000-0x0000000005548000-memory.dmp

      Filesize

      6.2MB

    • memory/4732-18-0x0000000074A80000-0x0000000075230000-memory.dmp

      Filesize

      7.7MB

    • memory/4732-15-0x00000000048B0000-0x00000000048E6000-memory.dmp

      Filesize

      216KB

    • memory/4732-48-0x0000000075310000-0x000000007535C000-memory.dmp

      Filesize

      304KB

    • memory/4732-47-0x0000000006FF0000-0x0000000007022000-memory.dmp

      Filesize

      200KB

    • memory/4732-58-0x0000000006400000-0x000000000641E000-memory.dmp

      Filesize

      120KB

    • memory/4732-59-0x0000000007030000-0x00000000070D3000-memory.dmp

      Filesize

      652KB

    • memory/4732-22-0x0000000004E60000-0x0000000004EC6000-memory.dmp

      Filesize

      408KB

    • memory/4732-62-0x00000000071C0000-0x00000000071CA000-memory.dmp

      Filesize

      40KB

    • memory/4732-63-0x00000000073D0000-0x0000000007466000-memory.dmp

      Filesize

      600KB

    • memory/4732-64-0x0000000007350000-0x0000000007361000-memory.dmp

      Filesize

      68KB

    • memory/4732-65-0x0000000007380000-0x000000000738E000-memory.dmp

      Filesize

      56KB

    • memory/4732-66-0x0000000007390000-0x00000000073A4000-memory.dmp

      Filesize

      80KB

    • memory/4732-67-0x0000000007490000-0x00000000074AA000-memory.dmp

      Filesize

      104KB

    • memory/4732-68-0x0000000007470000-0x0000000007478000-memory.dmp

      Filesize

      32KB