Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 12:49

General

  • Target

    da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe

  • Size

    895KB

  • MD5

    dd172773aa5ec3bc31080bc31fce8a44

  • SHA1

    5522deb7d315339e0d2b0dd2becb6d501e0dff2b

  • SHA256

    da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92

  • SHA512

    37bd970e680cd5e380d5f6044272e37782bd18f0c165af25f8c59b31b9fd29636cd43c2b9cde6bcd154dae0ee33866f3f783bab23aec8472e5db958a0ddaa588

  • SSDEEP

    24576:UHrWUxQNBIndBEQ/13KSAvkSZ/UosqmTbIecoe:qrWUxQPOgrB8osqq8Zo

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

paygateme.net:2286

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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WTDTSU

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe
    "C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4408
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kdkZYZHUWsaYyc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4148
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kdkZYZHUWsaYyc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6E5A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2192
    • C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe
      "C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2472
      • C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe
        C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe /stext "C:\Users\Admin\AppData\Local\Temp\plzqbrtmmylmhjxsaomw"
        3⤵
          PID:4816
        • C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe
          C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe /stext "C:\Users\Admin\AppData\Local\Temp\plzqbrtmmylmhjxsaomw"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1232
        • C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe
          C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe /stext "C:\Users\Admin\AppData\Local\Temp\rnmjcjefagdykptwjzhpcinu"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:4316
        • C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe
          C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe /stext "C:\Users\Admin\AppData\Local\Temp\bhrudcohoovduvhitktrfnzddeh"
          3⤵
            PID:4764
          • C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe
            C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe /stext "C:\Users\Admin\AppData\Local\Temp\bhrudcohoovduvhitktrfnzddeh"
            3⤵
              PID:224
            • C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe
              C:\Users\Admin\AppData\Local\Temp\da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92.exe /stext "C:\Users\Admin\AppData\Local\Temp\bhrudcohoovduvhitktrfnzddeh"
              3⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4380

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Execution

        Scheduled Task/Job

        1
        T1053

        Persistence

        Scheduled Task/Job

        1
        T1053

        Privilege Escalation

        Scheduled Task/Job

        1
        T1053

        Credential Access

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\remcos\logs.dat
          Filesize

          144B

          MD5

          8f52a632c1bbf4910675e05259b5e8a1

          SHA1

          6d63b205df94f161f51fcd6a6509d94f3925b71a

          SHA256

          ac9c5dc504248e026d0ee7bc98a61a4d98146e0640156bdd092aeffa38569085

          SHA512

          11b1ad773cd1ae2c785ed73100d2c7ab0da1d9eba250c9d3058518ef3082ecc790cec41d604714d0f14a7986c25ce32f020f9baad1b7441a4c241e3fe2cdcfe5

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rnvbl3ox.a3f.ps1
          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\plzqbrtmmylmhjxsaomw
          Filesize

          4KB

          MD5

          1b569d3543316abb59c472fde02e3317

          SHA1

          c4ea1f4ae0d1247036816d574f6240a952812720

          SHA256

          ede1b7223b5618dbe5982916444e09ac23db2cea8d7245359bf6bcbe33b34568

          SHA512

          1276a4bd1720630c67ba3ba6993dfbc13191bcd6d53f1ba417deb895476276fe6f6c163b1ab22e7ac86178412b4dce870f3eeb3cd267af8afbaed60fd9355136

        • C:\Users\Admin\AppData\Local\Temp\tmp6E5A.tmp
          Filesize

          1KB

          MD5

          fe73cb2a3b7e28d32be0e84c62372896

          SHA1

          c3585ffceedcbdd529d5d48ff2e2023a163222f3

          SHA256

          e49ffad6f9472cd5334515b90ee00666c97d1c21cdafb5d76ddc37a5376434ff

          SHA512

          d32fa44708a893bab07be6dd175704c749e8f66675b6717b5b0ace4e7ecfa253200db55c58efb13ab05f6325e3f1750154f2844e5ca780b3c873e284047c8ba7

        • memory/1232-92-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

        • memory/1232-96-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

        • memory/1232-100-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

        • memory/1232-114-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

        • memory/2472-121-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-31-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-122-0x0000000010000000-0x0000000010019000-memory.dmp
          Filesize

          100KB

        • memory/2472-120-0x0000000010000000-0x0000000010019000-memory.dmp
          Filesize

          100KB

        • memory/2472-119-0x0000000010000000-0x0000000010019000-memory.dmp
          Filesize

          100KB

        • memory/2472-116-0x0000000010000000-0x0000000010019000-memory.dmp
          Filesize

          100KB

        • memory/2472-22-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-129-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-109-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-130-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-138-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-39-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-33-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-139-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-46-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-78-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-27-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-146-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-90-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-91-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-88-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-20-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-87-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-19-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-147-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-86-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-85-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-82-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-79-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-80-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/2472-77-0x0000000000400000-0x0000000000482000-memory.dmp
          Filesize

          520KB

        • memory/4148-69-0x0000000007BF0000-0x0000000007C01000-memory.dmp
          Filesize

          68KB

        • memory/4148-17-0x0000000005850000-0x0000000005E78000-memory.dmp
          Filesize

          6.2MB

        • memory/4148-66-0x00000000079F0000-0x0000000007A0A000-memory.dmp
          Filesize

          104KB

        • memory/4148-67-0x0000000007A60000-0x0000000007A6A000-memory.dmp
          Filesize

          40KB

        • memory/4148-68-0x0000000007C70000-0x0000000007D06000-memory.dmp
          Filesize

          600KB

        • memory/4148-14-0x0000000002DA0000-0x0000000002DD6000-memory.dmp
          Filesize

          216KB

        • memory/4148-70-0x0000000007C20000-0x0000000007C2E000-memory.dmp
          Filesize

          56KB

        • memory/4148-71-0x0000000007C30000-0x0000000007C44000-memory.dmp
          Filesize

          80KB

        • memory/4148-72-0x0000000007D30000-0x0000000007D4A000-memory.dmp
          Filesize

          104KB

        • memory/4148-73-0x0000000007D10000-0x0000000007D18000-memory.dmp
          Filesize

          32KB

        • memory/4148-76-0x0000000074920000-0x00000000750D0000-memory.dmp
          Filesize

          7.7MB

        • memory/4148-51-0x0000000070D20000-0x0000000070D6C000-memory.dmp
          Filesize

          304KB

        • memory/4148-61-0x0000000006CA0000-0x0000000006CBE000-memory.dmp
          Filesize

          120KB

        • memory/4148-62-0x0000000002E70000-0x0000000002E80000-memory.dmp
          Filesize

          64KB

        • memory/4148-64-0x00000000078C0000-0x0000000007963000-memory.dmp
          Filesize

          652KB

        • memory/4148-63-0x0000000002E70000-0x0000000002E80000-memory.dmp
          Filesize

          64KB

        • memory/4148-50-0x0000000007880000-0x00000000078B2000-memory.dmp
          Filesize

          200KB

        • memory/4148-49-0x000000007F900000-0x000000007F910000-memory.dmp
          Filesize

          64KB

        • memory/4148-18-0x0000000002E70000-0x0000000002E80000-memory.dmp
          Filesize

          64KB

        • memory/4148-48-0x00000000066F0000-0x000000000673C000-memory.dmp
          Filesize

          304KB

        • memory/4148-47-0x00000000066B0000-0x00000000066CE000-memory.dmp
          Filesize

          120KB

        • memory/4148-16-0x0000000074920000-0x00000000750D0000-memory.dmp
          Filesize

          7.7MB

        • memory/4148-26-0x00000000056F0000-0x0000000005712000-memory.dmp
          Filesize

          136KB

        • memory/4148-44-0x0000000006240000-0x0000000006594000-memory.dmp
          Filesize

          3.3MB

        • memory/4148-32-0x00000000060D0000-0x0000000006136000-memory.dmp
          Filesize

          408KB

        • memory/4148-65-0x0000000008040000-0x00000000086BA000-memory.dmp
          Filesize

          6.5MB

        • memory/4148-21-0x0000000002E70000-0x0000000002E80000-memory.dmp
          Filesize

          64KB

        • memory/4148-30-0x0000000005FF0000-0x0000000006056000-memory.dmp
          Filesize

          408KB

        • memory/4316-106-0x0000000000400000-0x0000000000462000-memory.dmp
          Filesize

          392KB

        • memory/4316-111-0x0000000000400000-0x0000000000462000-memory.dmp
          Filesize

          392KB

        • memory/4316-93-0x0000000000400000-0x0000000000462000-memory.dmp
          Filesize

          392KB

        • memory/4316-97-0x0000000000400000-0x0000000000462000-memory.dmp
          Filesize

          392KB

        • memory/4380-107-0x0000000000400000-0x0000000000424000-memory.dmp
          Filesize

          144KB

        • memory/4380-112-0x0000000000400000-0x0000000000424000-memory.dmp
          Filesize

          144KB

        • memory/4380-110-0x0000000000400000-0x0000000000424000-memory.dmp
          Filesize

          144KB

        • memory/4380-108-0x0000000000400000-0x0000000000424000-memory.dmp
          Filesize

          144KB

        • memory/4380-99-0x0000000000400000-0x0000000000424000-memory.dmp
          Filesize

          144KB

        • memory/4408-23-0x0000000074920000-0x00000000750D0000-memory.dmp
          Filesize

          7.7MB

        • memory/4408-28-0x0000000074920000-0x00000000750D0000-memory.dmp
          Filesize

          7.7MB

        • memory/4408-1-0x0000000074920000-0x00000000750D0000-memory.dmp
          Filesize

          7.7MB

        • memory/4408-9-0x000000000A880000-0x000000000A91C000-memory.dmp
          Filesize

          624KB

        • memory/4408-8-0x00000000080F0000-0x00000000081B0000-memory.dmp
          Filesize

          768KB

        • memory/4408-7-0x0000000005D00000-0x0000000005D0C000-memory.dmp
          Filesize

          48KB

        • memory/4408-6-0x0000000005950000-0x0000000005960000-memory.dmp
          Filesize

          64KB

        • memory/4408-5-0x00000000056C0000-0x00000000056CA000-memory.dmp
          Filesize

          40KB

        • memory/4408-4-0x0000000005740000-0x0000000005750000-memory.dmp
          Filesize

          64KB

        • memory/4408-3-0x0000000005760000-0x00000000057F2000-memory.dmp
          Filesize

          584KB

        • memory/4408-2-0x0000000005D10000-0x00000000062B4000-memory.dmp
          Filesize

          5.6MB

        • memory/4408-0-0x0000000000BE0000-0x0000000000CC6000-memory.dmp
          Filesize

          920KB