Analysis

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

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 09:53

General

  • Target

    order specification.pif.exe

  • Size

    862KB

  • MD5

    32fdfac1be3eeb287976d70b621ba718

  • SHA1

    2dd9ced6021c1f1e8f772ead665e70ee4250c238

  • SHA256

    c1f36f8ad9a6360ed406ff3e84dd9b9a765e6edea3d9beb7e5c303230001fd13

  • SHA512

    a77441898821e5f84c860c05ea62357851330693d1566ff60ea47676efef0846e99192d1ba51d8a5569b2b93acf697eccb0ecf047ed17ab58a9453fd5af32cba

  • SSDEEP

    24576:PYZIth8N9PnPo2SxApB3x8uYU66U25BL:Pvth8N5Po2rpH8uYUOA

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.drechftankholding.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

    dfgh

  • mouse_option

    false

  • mutex

    Rmc-8J6PG9

  • 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 2 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.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 5 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order specification.pif.exe
    "C:\Users\Admin\AppData\Local\Temp\order specification.pif.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:220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\order specification.pif.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2540
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sOjQJdX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4424
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sOjQJdX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA364.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4976
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:2316
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2072

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\dfgh\logs.dat

      Filesize

      144B

      MD5

      8eb0738a08749dc9abf775fa18a145bd

      SHA1

      43bf75ecf02be6de16a34a4667892afea906d6d5

      SHA256

      71941e3b615dbc79b48392fe5dbcd7729a950e680e0990c5626469e8fb794e68

      SHA512

      4d7ce7af36f7aa535629f9c38af0c5dfbbe346b943761951f68d17bbb85ada1bc4315f7cc714f2d26a5213ef61eb59d5826bf2177884d69fa623473b77ef537b

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      0d080ad8bf961562438f651cc88d26fe

      SHA1

      8d523302e2237816b8db1da5ea4fe53aacd8029b

      SHA256

      ac30f75d6438992e996b490dd35fa872a3b0a8c43b108f3fea6e32f743597d69

      SHA512

      472bd62fc55ead008cb492bc1ee5f61f246eb620cfdf90a3e00b6a276c79e0982e61a92e3a41bacc43500a19a13c1f0a905412825f2a017c582378652dc4ea48

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nvw2ywo5.fxd.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpA364.tmp

      Filesize

      1KB

      MD5

      a9a01976045c623ea701218d95410334

      SHA1

      28b18bd16e0b32fd7676a8209174af7346ad7da0

      SHA256

      f144521d9cbc1732b64c60854a38b47b7ab2501835178dd089d062c1c5e637f7

      SHA512

      9811de3c6ef5e46fcf955636f3dbb2e4be033c3c8fe542ad20f2cb2ae8a4c87954c664efdd4a941a5ebe093043ebc41937ddabe18f5039ceb6fe4886790d3439

    • memory/220-6-0x0000000003710000-0x000000000371E000-memory.dmp

      Filesize

      56KB

    • memory/220-3-0x0000000005A70000-0x0000000005B02000-memory.dmp

      Filesize

      584KB

    • memory/220-4-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/220-5-0x00000000036F0000-0x00000000036FA000-memory.dmp

      Filesize

      40KB

    • memory/220-2-0x00000000061D0000-0x0000000006774000-memory.dmp

      Filesize

      5.6MB

    • memory/220-7-0x00000000752CE000-0x00000000752CF000-memory.dmp

      Filesize

      4KB

    • memory/220-8-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/220-9-0x00000000074F0000-0x00000000075B0000-memory.dmp

      Filesize

      768KB

    • memory/220-10-0x0000000009AF0000-0x0000000009B8C000-memory.dmp

      Filesize

      624KB

    • memory/220-1-0x0000000000FB0000-0x000000000108E000-memory.dmp

      Filesize

      888KB

    • memory/220-0-0x00000000752CE000-0x00000000752CF000-memory.dmp

      Filesize

      4KB

    • memory/220-55-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/2072-120-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-53-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-112-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-111-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-84-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-103-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-104-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-100-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-49-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-119-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-128-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-50-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-97-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-96-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-127-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-95-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2072-48-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2540-56-0x0000000006370000-0x00000000063A2000-memory.dmp

      Filesize

      200KB

    • memory/2540-86-0x0000000007300000-0x0000000007314000-memory.dmp

      Filesize

      80KB

    • memory/2540-15-0x0000000002470000-0x00000000024A6000-memory.dmp

      Filesize

      216KB

    • memory/2540-67-0x0000000006F70000-0x0000000006F8E000-memory.dmp

      Filesize

      120KB

    • memory/2540-79-0x0000000007710000-0x0000000007D8A000-memory.dmp

      Filesize

      6.5MB

    • memory/2540-80-0x00000000070C0000-0x00000000070DA000-memory.dmp

      Filesize

      104KB

    • memory/2540-16-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/2540-17-0x0000000004EF0000-0x0000000005518000-memory.dmp

      Filesize

      6.2MB

    • memory/2540-18-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/2540-19-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/2540-85-0x00000000072F0000-0x00000000072FE000-memory.dmp

      Filesize

      56KB

    • memory/2540-39-0x0000000005750000-0x0000000005AA4000-memory.dmp

      Filesize

      3.3MB

    • memory/2540-87-0x0000000007400000-0x000000000741A000-memory.dmp

      Filesize

      104KB

    • memory/2540-88-0x00000000073E0000-0x00000000073E8000-memory.dmp

      Filesize

      32KB

    • memory/2540-71-0x0000000006F90000-0x0000000007033000-memory.dmp

      Filesize

      652KB

    • memory/2540-20-0x0000000004DE0000-0x0000000004E02000-memory.dmp

      Filesize

      136KB

    • memory/2540-94-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/2540-57-0x00000000708D0000-0x000000007091C000-memory.dmp

      Filesize

      304KB

    • memory/2540-46-0x0000000005D80000-0x0000000005D9E000-memory.dmp

      Filesize

      120KB

    • memory/2540-47-0x00000000062C0000-0x000000000630C000-memory.dmp

      Filesize

      304KB

    • memory/2540-22-0x0000000005520000-0x0000000005586000-memory.dmp

      Filesize

      408KB

    • memory/2540-21-0x0000000004E80000-0x0000000004EE6000-memory.dmp

      Filesize

      408KB

    • memory/4424-83-0x0000000007400000-0x0000000007411000-memory.dmp

      Filesize

      68KB

    • memory/4424-24-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4424-93-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4424-40-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4424-45-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4424-82-0x0000000007480000-0x0000000007516000-memory.dmp

      Filesize

      600KB

    • memory/4424-81-0x0000000007270000-0x000000000727A000-memory.dmp

      Filesize

      40KB

    • memory/4424-68-0x00000000708D0000-0x000000007091C000-memory.dmp

      Filesize

      304KB