Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 01:26

General

  • Target

    Quote.exe

  • Size

    915KB

  • MD5

    0b18de9b2b7f17fc93796eabee8d26dd

  • SHA1

    0c0f08a2df8262960e6290900bff0684847cc0c8

  • SHA256

    929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0

  • SHA512

    07a146051648b7bf1a7024bf1375b27b3ee6ea07c9c455ede24d3edce26d79e2f227a9b1a9ba0eb4f5e05c75e458169e48c3a8a1acaf731781a0f105ace37860

  • SSDEEP

    12288:OdK2wPfKaoFsNyjcFg/Q5P4Uf1fTX5muSPflsEXywds31GHvMb7d+fLnnjnU+DL:FPfKaKsNEesQ5PxL5mjHiwOFEvMOPn3

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\Quote.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote.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:4304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OlhQyptevOgDP.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5052
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OlhQyptevOgDP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCFF2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4816
    • C:\Users\Admin\AppData\Local\Temp\Quote.exe
      "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
      2⤵
        PID:2248
      • C:\Users\Admin\AppData\Local\Temp\Quote.exe
        "C:\Users\Admin\AppData\Local\Temp\Quote.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2888

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\gfh\logs.dat

      Filesize

      144B

      MD5

      f2405b30b190c52540b4e8197b0d9511

      SHA1

      a598d717b16e49967d312c30fdfc6deffe83175a

      SHA256

      968d197424d77eaa231ca3cf1dea04b0b75bab604393081a5c5a4e60aa581a38

      SHA512

      3637f2399c643aaf84ab6c24833c19c4957cf68304c4424d59a00140ebfd97e475a6eeb2c3621b730081aae99c3eae70d1335214dd318eec0320e10166c22856

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g42rynqi.di4.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpCFF2.tmp

      Filesize

      1KB

      MD5

      9211c52e69d6991e7c93b7620b5673f9

      SHA1

      c67b0e9301bd6c2a40bfe59fbf29fe790ac4a36a

      SHA256

      313a14e0934d649d441af3066e09d61fe3ac056bb102dcf8cfcbf64d1f9e0951

      SHA512

      12964f70a5d1e2c8838d1d73157baa136bbd917aba79de6c4f4e5380b4c40ac34f60a921db75169f995df157ed406fe659c1800aa4359dfb001cf850e153a809

    • memory/2888-43-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-47-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-23-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-90-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-48-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-79-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-24-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-81-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-105-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-106-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-82-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-98-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-97-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-21-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-49-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-28-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-89-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-34-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2888-37-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/4304-4-0x0000000005050000-0x000000000505A000-memory.dmp

      Filesize

      40KB

    • memory/4304-2-0x0000000005390000-0x0000000005934000-memory.dmp

      Filesize

      5.6MB

    • memory/4304-5-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/4304-1-0x00000000003D0000-0x00000000004BC000-memory.dmp

      Filesize

      944KB

    • memory/4304-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp

      Filesize

      584KB

    • memory/4304-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

      Filesize

      4KB

    • memory/4304-46-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/4304-10-0x00000000093D0000-0x000000000946C000-memory.dmp

      Filesize

      624KB

    • memory/4304-9-0x0000000006CD0000-0x0000000006D90000-memory.dmp

      Filesize

      768KB

    • memory/4304-8-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/4304-7-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

      Filesize

      4KB

    • memory/4304-6-0x0000000006820000-0x0000000006832000-memory.dmp

      Filesize

      72KB

    • memory/5052-44-0x0000000005EA0000-0x0000000005EBE000-memory.dmp

      Filesize

      120KB

    • memory/5052-52-0x0000000006460000-0x0000000006492000-memory.dmp

      Filesize

      200KB

    • memory/5052-53-0x000000006F600000-0x000000006F64C000-memory.dmp

      Filesize

      304KB

    • memory/5052-63-0x0000000006440000-0x000000000645E000-memory.dmp

      Filesize

      120KB

    • memory/5052-64-0x0000000007080000-0x0000000007123000-memory.dmp

      Filesize

      652KB

    • memory/5052-65-0x0000000007800000-0x0000000007E7A000-memory.dmp

      Filesize

      6.5MB

    • memory/5052-66-0x00000000071C0000-0x00000000071DA000-memory.dmp

      Filesize

      104KB

    • memory/5052-67-0x0000000007230000-0x000000000723A000-memory.dmp

      Filesize

      40KB

    • memory/5052-68-0x0000000007440000-0x00000000074D6000-memory.dmp

      Filesize

      600KB

    • memory/5052-69-0x00000000073C0000-0x00000000073D1000-memory.dmp

      Filesize

      68KB

    • memory/5052-70-0x00000000073F0000-0x00000000073FE000-memory.dmp

      Filesize

      56KB

    • memory/5052-71-0x0000000007400000-0x0000000007414000-memory.dmp

      Filesize

      80KB

    • memory/5052-72-0x0000000007500000-0x000000000751A000-memory.dmp

      Filesize

      104KB

    • memory/5052-73-0x00000000074E0000-0x00000000074E8000-memory.dmp

      Filesize

      32KB

    • memory/5052-76-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/5052-20-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/5052-45-0x00000000061B0000-0x00000000061FC000-memory.dmp

      Filesize

      304KB

    • memory/5052-26-0x00000000056C0000-0x0000000005726000-memory.dmp

      Filesize

      408KB

    • memory/5052-27-0x0000000005860000-0x00000000058C6000-memory.dmp

      Filesize

      408KB

    • memory/5052-39-0x00000000058D0000-0x0000000005C24000-memory.dmp

      Filesize

      3.3MB

    • memory/5052-25-0x0000000004FF0000-0x0000000005012000-memory.dmp

      Filesize

      136KB

    • memory/5052-19-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/5052-18-0x0000000005090000-0x00000000056B8000-memory.dmp

      Filesize

      6.2MB

    • memory/5052-16-0x0000000074CD0000-0x0000000075480000-memory.dmp

      Filesize

      7.7MB

    • memory/5052-15-0x0000000002590000-0x00000000025C6000-memory.dmp

      Filesize

      216KB