Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2024, 17:00

General

  • Target

    108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe

  • Size

    929KB

  • MD5

    c5a8d5c579b01dde6496d426425c9e64

  • SHA1

    2f66b4af4ae637fecda1d2a01dfc407137447722

  • SHA256

    108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4

  • SHA512

    c327fa7f319186880d834ec5ee57009b205511db0486ccbb6da2fdb5eed416f7f82564381bdfadce19de27bb15fb2116ebe3ab98c27d425e9f876ecf79113dbb

  • SSDEEP

    24576:4qi0xXW+9UgrA7TEZEDPpsuNFMAvKKyoZ8y7IC:Ri037rOoZ6BsuPM0KBoZ8yMC

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.216.70.120:2427

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-FSXSJ2

  • 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.

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 2 IoCs
  • 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 19 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe
    "C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5116
    • 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\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4760
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uEizHLXGQSPJ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1276
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uEizHLXGQSPJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7186.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:388
    • C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe
      "C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe"
      2⤵
        PID:3156
      • C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe
        "C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe"
        2⤵
          PID:1176
        • C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe
          "C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe"
          2⤵
            PID:3188
          • C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe
            "C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe"
            2⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:1724
            • C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe
              C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe /stext "C:\Users\Admin\AppData\Local\Temp\gzvzcriuxfjfkarkpcisnxsr"
              3⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3316
            • C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe
              C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe /stext "C:\Users\Admin\AppData\Local\Temp\iubsdkswlnbsuggoynumycfiykh"
              3⤵
              • Suspicious use of UnmapMainImage
              PID:1844
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 12
                4⤵
                • Program crash
                PID:3944
            • C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe
              C:\Users\Admin\AppData\Local\Temp\108f91d9edea555ad29cb610cc1b578bca00a7447900f0caa2fdc15e8bfbacc4.exe /stext "C:\Users\Admin\AppData\Local\Temp\togceudphvtxxucshyhnbpzrhzylfym"
              3⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1844 -ip 1844
          1⤵
            PID:4400

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

            Filesize

            2KB

            MD5

            968cb9309758126772781b83adb8a28f

            SHA1

            8da30e71accf186b2ba11da1797cf67f8f78b47c

            SHA256

            92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

            SHA512

            4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

            Filesize

            18KB

            MD5

            f389eab1214b77de9b3847545b09ed53

            SHA1

            efeb70fce4c282a10be9209e4ce7ced66bd2c83a

            SHA256

            4e55a3a8b20c4aa775fa0ee2d7819e37dad0eabf8f8869e706f6c950e53b5bb4

            SHA512

            3664dc3b7a3ec4f7be2de00d0ecb0cc2b8d0bf05b7e4df4a93345910f00468ba607525a8efc41a49d35bd8c488038ff17b13ae19d3950d5c3790e3340b4834d0

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i0xusrry.xdn.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\gzvzcriuxfjfkarkpcisnxsr

            Filesize

            4KB

            MD5

            18b6368b183e546a35847ae24b4b2913

            SHA1

            040545f7ac2c987d2a79b5e7f1cf9ab83bd25923

            SHA256

            54c101b6b1241b6a0574a66e5a5b9bddc6c60a4daf7338dba6fe3f65b27382af

            SHA512

            68ba8734016705cd12bf9d7ce41d5c823b2ec6ce9ee1ee7e9da9efcd9c88ef1f1b18148d91ad6a271c7a88d4ca098a99198ca709fcf217f9b1fa18f74c48d698

          • C:\Users\Admin\AppData\Local\Temp\tmp7186.tmp

            Filesize

            1KB

            MD5

            00597c53b2c0516f9dfe6af5e4af1625

            SHA1

            69724c5fa8288b56e66707c27a747200dbc80000

            SHA256

            6f0722b9dd3c76969a51b53cce7e32009b0b66fade00049c949bd32bafba803a

            SHA512

            e37b296407353277b39994435e4a85300df593c71ae81a237baf6138091fbdea6de02bb7bff82a9fafee97aaa7a4859b3a01c9481212efd9c0fc4c1b17c33281

          • memory/1276-67-0x0000000006D50000-0x0000000006D6A000-memory.dmp

            Filesize

            104KB

          • memory/1276-69-0x0000000006FD0000-0x0000000007066000-memory.dmp

            Filesize

            600KB

          • memory/1276-92-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB

          • memory/1276-85-0x0000000007090000-0x00000000070AA000-memory.dmp

            Filesize

            104KB

          • memory/1276-83-0x0000000006F80000-0x0000000006F8E000-memory.dmp

            Filesize

            56KB

          • memory/1276-80-0x0000000006F50000-0x0000000006F61000-memory.dmp

            Filesize

            68KB

          • memory/1276-68-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

            Filesize

            40KB

          • memory/1276-66-0x00000000073A0000-0x0000000007A1A000-memory.dmp

            Filesize

            6.5MB

          • memory/1276-65-0x0000000006A70000-0x0000000006B13000-memory.dmp

            Filesize

            652KB

          • memory/1276-18-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB

          • memory/1276-54-0x0000000070240000-0x000000007028C000-memory.dmp

            Filesize

            304KB

          • memory/1276-64-0x0000000006000000-0x000000000601E000-memory.dmp

            Filesize

            120KB

          • memory/1276-27-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB

          • memory/1276-53-0x0000000006A30000-0x0000000006A62000-memory.dmp

            Filesize

            200KB

          • memory/1276-39-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB

          • memory/1276-38-0x00000000054E0000-0x0000000005834000-memory.dmp

            Filesize

            3.3MB

          • memory/1276-21-0x0000000005210000-0x0000000005276000-memory.dmp

            Filesize

            408KB

          • memory/1276-45-0x0000000005A10000-0x0000000005A2E000-memory.dmp

            Filesize

            120KB

          • memory/1276-46-0x0000000005F90000-0x0000000005FDC000-memory.dmp

            Filesize

            304KB

          • memory/1276-20-0x0000000004B10000-0x0000000004B76000-memory.dmp

            Filesize

            408KB

          • memory/1724-112-0x0000000010000000-0x0000000010019000-memory.dmp

            Filesize

            100KB

          • memory/1724-97-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-47-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-122-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-48-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-123-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-121-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-120-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-119-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-118-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-117-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-115-0x0000000010000000-0x0000000010019000-memory.dmp

            Filesize

            100KB

          • memory/1724-49-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-116-0x0000000010000000-0x0000000010019000-memory.dmp

            Filesize

            100KB

          • memory/1724-94-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-50-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-95-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-81-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-82-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-99-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1724-98-0x0000000000400000-0x0000000000482000-memory.dmp

            Filesize

            520KB

          • memory/1844-101-0x0000000000400000-0x0000000000462000-memory.dmp

            Filesize

            392KB

          • memory/3316-100-0x0000000000400000-0x0000000000478000-memory.dmp

            Filesize

            480KB

          • memory/3316-102-0x0000000000400000-0x0000000000478000-memory.dmp

            Filesize

            480KB

          • memory/3316-106-0x0000000000400000-0x0000000000478000-memory.dmp

            Filesize

            480KB

          • memory/4040-103-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4040-105-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4040-104-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/4760-16-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB

          • memory/4760-19-0x0000000005230000-0x0000000005252000-memory.dmp

            Filesize

            136KB

          • memory/4760-86-0x0000000007840000-0x0000000007848000-memory.dmp

            Filesize

            32KB

          • memory/4760-41-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB

          • memory/4760-84-0x0000000007760000-0x0000000007774000-memory.dmp

            Filesize

            80KB

          • memory/4760-17-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB

          • memory/4760-70-0x0000000070240000-0x000000007028C000-memory.dmp

            Filesize

            304KB

          • memory/4760-14-0x00000000028E0000-0x0000000002916000-memory.dmp

            Filesize

            216KB

          • memory/4760-93-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB

          • memory/4760-15-0x0000000005420000-0x0000000005A48000-memory.dmp

            Filesize

            6.2MB

          • memory/5116-2-0x0000000005300000-0x00000000058A4000-memory.dmp

            Filesize

            5.6MB

          • memory/5116-1-0x00000000003D0000-0x00000000004BA000-memory.dmp

            Filesize

            936KB

          • memory/5116-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

            Filesize

            4KB

          • memory/5116-7-0x00000000052B0000-0x00000000052CA000-memory.dmp

            Filesize

            104KB

          • memory/5116-6-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB

          • memory/5116-9-0x0000000006610000-0x00000000066D0000-memory.dmp

            Filesize

            768KB

          • memory/5116-5-0x0000000005020000-0x00000000050BC000-memory.dmp

            Filesize

            624KB

          • memory/5116-4-0x0000000004D80000-0x0000000004D8A000-memory.dmp

            Filesize

            40KB

          • memory/5116-8-0x00000000052D0000-0x00000000052E0000-memory.dmp

            Filesize

            64KB

          • memory/5116-3-0x0000000004DF0000-0x0000000004E82000-memory.dmp

            Filesize

            584KB

          • memory/5116-52-0x0000000074CB0000-0x0000000075460000-memory.dmp

            Filesize

            7.7MB