Analysis

  • max time kernel
    154s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 12:27

General

  • Target

    f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe

  • Size

    967KB

  • MD5

    6d53853d0d56802e6ad845407f61eee7

  • SHA1

    3cfb6e47d65afb417444d23908e28163ab83a341

  • SHA256

    f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2

  • SHA512

    20279d70d086aec743a7c6df92384fe5100e4a9e9f7cb710ac3c947b2a36a0a3b307638a0f3dfcd93cf26ba2172db1d546ffa311939ebc28c5b3988d0b6b00e5

  • SSDEEP

    24576:Zo5Cx4T0Nq036gAfCwpOypJ4k4ZS3yWw:C5Cx4QN/OCypJ4ZZSCWw

Malware Config

Extracted

Family

remcos

Botnet

BUDDY

C2

192.210.201.57:52499

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-LMLI87

  • 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 MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • 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 2 IoCs
  • Suspicious use of SetThreadContext 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
    "C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3304
    • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
      "C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3232
      • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
        C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe /stext "C:\Users\Admin\AppData\Local\Temp\bqfgamizrevdqxbqgvzvbl"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4592
      • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
        C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe /stext "C:\Users\Admin\AppData\Local\Temp\mklybfttfnniadxuxglpeqhdsj"
        3⤵
          PID:1132
        • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
          C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe /stext "C:\Users\Admin\AppData\Local\Temp\mklybfttfnniadxuxglpeqhdsj"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:3788
        • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
          C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe /stext "C:\Users\Admin\AppData\Local\Temp\weyjbxeubvfndrlygryqpctuaqpho"
          3⤵
            PID:2016
          • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
            C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe /stext "C:\Users\Admin\AppData\Local\Temp\tvztyojzczbtzymqrgzlq"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4144
          • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
            C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe /stext "C:\Users\Admin\AppData\Local\Temp\dpelzhutqhtybeauiqtetvuu"
            3⤵
              PID:948
            • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
              C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe /stext "C:\Users\Admin\AppData\Local\Temp\dpelzhutqhtybeauiqtetvuu"
              3⤵
              • Accesses Microsoft Outlook accounts
              PID:4036
            • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
              C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe /stext "C:\Users\Admin\AppData\Local\Temp\orkwazeuepldlswyrbggeihleve"
              3⤵
                PID:5024
              • C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe
                C:\Users\Admin\AppData\Local\Temp\f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2.exe /stext "C:\Users\Admin\AppData\Local\Temp\orkwazeuepldlswyrbggeihleve"
                3⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3628
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1316 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:2884

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Credential Access

            Unsecured Credentials

            1
            T1552

            Credentials In Files

            1
            T1552.001

            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

              9405d0c2fddd5d04aed3d1755b542270

              SHA1

              3c4b67639081edfe5ef990b8698c1afe6ff84345

              SHA256

              dafdbb4c0d8eaad1cc6bb9b65513658419d899c6164d382eeea8f85f8c2c581c

              SHA512

              eda908c47d52dcf16daf785994e308488bcac38b386d8d657e5ae31683fd355367e04ca6abe0b33c99838a099b3030e1f64bd287469ed5ce58fedf2a75a578b0

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

              4KB

              MD5

              10fa8ec140c204486092fb161e567ec7

              SHA1

              4d63e1f8df3afefedb19df73d7ee5f3b1e7b6473

              SHA256

              7176ca3d0196ec46f178107fdb587adaef3f6ea65daa80eccd2371a515880e04

              SHA512

              9db4eeb3f07d8d0579f75f3426c91156809152d8c1a37c9a27bf159888f6dd97f1212ac80f5bbb17e4d86f3087c512ccba2ca50a2db07d071370bd36364e1f76

            • memory/1132-29-0x0000000000350000-0x0000000000350000-memory.dmp
            • memory/2016-47-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/2016-40-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/2016-32-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/3232-92-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/3232-90-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/3232-114-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-113-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-106-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-105-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-12-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-13-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-15-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-97-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-17-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-18-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-20-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-21-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-22-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-23-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-24-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-25-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-26-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-96-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-94-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-87-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/3232-93-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-91-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/3232-84-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/3232-101-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/3304-6-0x0000000074520000-0x0000000074CD0000-memory.dmp
              Filesize

              7.7MB

            • memory/3304-7-0x0000000006530000-0x000000000654C000-memory.dmp
              Filesize

              112KB

            • memory/3304-2-0x00000000050A0000-0x0000000005644000-memory.dmp
              Filesize

              5.6MB

            • memory/3304-0-0x0000000074520000-0x0000000074CD0000-memory.dmp
              Filesize

              7.7MB

            • memory/3304-8-0x0000000005090000-0x0000000005098000-memory.dmp
              Filesize

              32KB

            • memory/3304-10-0x000000000C220000-0x000000000C2E0000-memory.dmp
              Filesize

              768KB

            • memory/3304-9-0x0000000006550000-0x000000000655C000-memory.dmp
              Filesize

              48KB

            • memory/3304-11-0x000000000F890000-0x000000000F92C000-memory.dmp
              Filesize

              624KB

            • memory/3304-3-0x0000000004B90000-0x0000000004C22000-memory.dmp
              Filesize

              584KB

            • memory/3304-4-0x0000000004CC0000-0x0000000004CD0000-memory.dmp
              Filesize

              64KB

            • memory/3304-1-0x00000000000A0000-0x0000000000198000-memory.dmp
              Filesize

              992KB

            • memory/3304-16-0x0000000074520000-0x0000000074CD0000-memory.dmp
              Filesize

              7.7MB

            • memory/3304-5-0x0000000004C40000-0x0000000004C4A000-memory.dmp
              Filesize

              40KB

            • memory/3628-82-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/3628-77-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/3628-85-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/3788-44-0x0000000000400000-0x0000000000462000-memory.dmp
              Filesize

              392KB

            • memory/3788-30-0x0000000000400000-0x0000000000462000-memory.dmp
              Filesize

              392KB

            • memory/3788-38-0x0000000000400000-0x0000000000462000-memory.dmp
              Filesize

              392KB

            • memory/3788-35-0x0000000000400000-0x0000000000462000-memory.dmp
              Filesize

              392KB

            • memory/4036-78-0x0000000000400000-0x0000000000462000-memory.dmp
              Filesize

              392KB

            • memory/4144-81-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB

            • memory/4144-61-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB

            • memory/4592-36-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB

            • memory/4592-27-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB

            • memory/4592-34-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB

            • memory/4592-55-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB

            • memory/4592-39-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB