Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2024, 02:38

General

  • Target

    2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe

  • Size

    990KB

  • MD5

    ae507105cceba5aacb48465edc216829

  • SHA1

    3ce82cbc3bfe6ce6cc80548b3972fe50474ee58d

  • SHA256

    2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847

  • SHA512

    789fb309e65a1cff6b56ea1101aaa81739ab7a9ac4082aea12a6d4349cb2b18daf4b1417817e4425dadcd3171be7b4946f032ffe32ff5e5dc5497d6c8ae0e5bf

  • SSDEEP

    24576:5Xz87bPA2b+O0v7c+6ShVZ5II39pexAJSgEiYG77:5Xz87k/O0vAkhVZ63KMG7

Malware Config

Extracted

Family

remcos

Botnet

DESK

C2

198.27.121.194:2024

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-EQJXDT

  • 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.

  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 23 IoCs
  • Detects executables built or packed with MPress PE compressor 18 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 6 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 29 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
    "C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4112
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LCIBkTUxHQE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2224
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LCIBkTUxHQE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3264
    • C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
      "C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"
      2⤵
        PID:1736
      • C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
        "C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
          C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\fymlcesxujdqtlayaevoxhabliomfsobvs"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:1296
        • C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
          C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\pasdvx"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4760
        • C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
          C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\uehscmidgblljeeuqtamudgkkcedeh"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3672
        • C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
          C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\uehscmidgblljeeuqtamudgkkcedeh"
          3⤵
            PID:780
          • C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
            C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\uehscmidgblljeeuqtamudgkkcedeh"
            3⤵
              PID:4036

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jcqhjvyg.l2c.ps1

                Filesize

                60B

                MD5

                d17fe0a3f47be24a6453e9ef58c94641

                SHA1

                6ab83620379fc69f80c0242105ddffd7d98d5d9d

                SHA256

                96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                SHA512

                5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

              • C:\Users\Admin\AppData\Local\Temp\tmp8C5.tmp

                Filesize

                1KB

                MD5

                bb643ce526cd2c06e3698f01e040547e

                SHA1

                95bfb7ad5bacd0331c13813f1f5ed4db632a6416

                SHA256

                51806c39aa5156f148300c47beb4b4ed17b31e7b0bd914b45ca5a073ac59c631

                SHA512

                aa815ebe9837389007d01139ae82f26b6cb119302fe1e470a9bb610f2a21ad9a7cbee2818f3268df59da4a44a617384be3d0e045e2270cf8f631303f0617abe9

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

                Filesize

                4KB

                MD5

                5c45226c7bdcd87ae920b1717198c4a4

                SHA1

                1ddd033bc2e4398dfd19ba5cb321e05b293e7ab6

                SHA256

                a3a582b7b4e21cb54fa5c7a2f0e39d10a4c12de1c376d86e909d9c7b3047287f

                SHA512

                67596b4b7bdd3cfad64fa205cb9b74a6d4f5f4b3efd3eb47a68d831e8a342d7ffb784d8a19a4f845ed86c6f3683ea9286cf5eed59b8e5d8c2f487d1a5f8abb2c

              • memory/1296-100-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/1296-96-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/1296-90-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/1296-86-0x0000000000400000-0x0000000000457000-memory.dmp

                Filesize

                348KB

              • memory/2224-63-0x0000000007DF0000-0x000000000846A000-memory.dmp

                Filesize

                6.5MB

              • memory/2224-48-0x0000000006A70000-0x0000000006AA2000-memory.dmp

                Filesize

                200KB

              • memory/2224-83-0x00000000750D0000-0x0000000075880000-memory.dmp

                Filesize

                7.7MB

              • memory/2224-78-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

                Filesize

                104KB

              • memory/2224-79-0x0000000007AD0000-0x0000000007AD8000-memory.dmp

                Filesize

                32KB

              • memory/2224-77-0x00000000079F0000-0x0000000007A04000-memory.dmp

                Filesize

                80KB

              • memory/2224-17-0x0000000002B10000-0x0000000002B46000-memory.dmp

                Filesize

                216KB

              • memory/2224-18-0x00000000750D0000-0x0000000075880000-memory.dmp

                Filesize

                7.7MB

              • memory/2224-20-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                Filesize

                64KB

              • memory/2224-19-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                Filesize

                64KB

              • memory/2224-76-0x00000000079E0000-0x00000000079EE000-memory.dmp

                Filesize

                56KB

              • memory/2224-22-0x00000000054E0000-0x0000000005B08000-memory.dmp

                Filesize

                6.2MB

              • memory/2224-49-0x00000000718C0000-0x000000007190C000-memory.dmp

                Filesize

                304KB

              • memory/2224-68-0x00000000079B0000-0x00000000079C1000-memory.dmp

                Filesize

                68KB

              • memory/2224-66-0x0000000007A30000-0x0000000007AC6000-memory.dmp

                Filesize

                600KB

              • memory/2224-65-0x0000000007820000-0x000000000782A000-memory.dmp

                Filesize

                40KB

              • memory/2224-28-0x0000000005440000-0x0000000005462000-memory.dmp

                Filesize

                136KB

              • memory/2224-64-0x00000000077B0000-0x00000000077CA000-memory.dmp

                Filesize

                104KB

              • memory/2224-30-0x0000000005D40000-0x0000000005DA6000-memory.dmp

                Filesize

                408KB

              • memory/2224-31-0x0000000005DB0000-0x0000000005E16000-memory.dmp

                Filesize

                408KB

              • memory/2224-56-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                Filesize

                64KB

              • memory/2224-41-0x0000000005E60000-0x00000000061B4000-memory.dmp

                Filesize

                3.3MB

              • memory/2224-62-0x0000000007480000-0x0000000007523000-memory.dmp

                Filesize

                652KB

              • memory/2224-61-0x0000000002AC0000-0x0000000002AD0000-memory.dmp

                Filesize

                64KB

              • memory/2224-60-0x0000000007460000-0x000000000747E000-memory.dmp

                Filesize

                120KB

              • memory/2224-45-0x0000000006480000-0x000000000649E000-memory.dmp

                Filesize

                120KB

              • memory/2224-46-0x0000000006A20000-0x0000000006A6C000-memory.dmp

                Filesize

                304KB

              • memory/2224-47-0x000000007F6B0000-0x000000007F6C0000-memory.dmp

                Filesize

                64KB

              • memory/2740-117-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-73-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-44-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-43-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-42-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-116-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-29-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-108-0x0000000010000000-0x0000000010019000-memory.dmp

                Filesize

                100KB

              • memory/2740-26-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-67-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-24-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-23-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-111-0x0000000010000000-0x0000000010019000-memory.dmp

                Filesize

                100KB

              • memory/2740-71-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-72-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-69-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-70-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-75-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-118-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-119-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-120-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-121-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-80-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-122-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-112-0x0000000010000000-0x0000000010019000-memory.dmp

                Filesize

                100KB

              • memory/2740-113-0x0000000010000000-0x0000000010019000-memory.dmp

                Filesize

                100KB

              • memory/2740-114-0x0000000000400000-0x0000000000482000-memory.dmp

                Filesize

                520KB

              • memory/2740-115-0x0000000010000000-0x0000000010019000-memory.dmp

                Filesize

                100KB

              • memory/3672-93-0x0000000000400000-0x0000000000478000-memory.dmp

                Filesize

                480KB

              • memory/3672-88-0x0000000000400000-0x0000000000478000-memory.dmp

                Filesize

                480KB

              • memory/3672-85-0x0000000000400000-0x0000000000478000-memory.dmp

                Filesize

                480KB

              • memory/3672-106-0x0000000000400000-0x0000000000478000-memory.dmp

                Filesize

                480KB

              • memory/4112-8-0x0000000008490000-0x000000000849A000-memory.dmp

                Filesize

                40KB

              • memory/4112-27-0x00000000750D0000-0x0000000075880000-memory.dmp

                Filesize

                7.7MB

              • memory/4112-9-0x00000000084A0000-0x00000000084AE000-memory.dmp

                Filesize

                56KB

              • memory/4112-10-0x0000000008600000-0x00000000086C6000-memory.dmp

                Filesize

                792KB

              • memory/4112-11-0x00000000750D0000-0x0000000075880000-memory.dmp

                Filesize

                7.7MB

              • memory/4112-12-0x00000000055F0000-0x0000000005600000-memory.dmp

                Filesize

                64KB

              • memory/4112-2-0x0000000005B70000-0x0000000006114000-memory.dmp

                Filesize

                5.6MB

              • memory/4112-4-0x00000000055F0000-0x0000000005600000-memory.dmp

                Filesize

                64KB

              • memory/4112-5-0x0000000005640000-0x000000000564A000-memory.dmp

                Filesize

                40KB

              • memory/4112-3-0x0000000005660000-0x00000000056F2000-memory.dmp

                Filesize

                584KB

              • memory/4112-1-0x00000000750D0000-0x0000000075880000-memory.dmp

                Filesize

                7.7MB

              • memory/4112-0-0x0000000000B40000-0x0000000000C3E000-memory.dmp

                Filesize

                1016KB

              • memory/4112-6-0x0000000008140000-0x00000000081DC000-memory.dmp

                Filesize

                624KB

              • memory/4112-7-0x0000000008470000-0x0000000008484000-memory.dmp

                Filesize

                80KB

              • memory/4760-103-0x0000000000400000-0x0000000000424000-memory.dmp

                Filesize

                144KB

              • memory/4760-91-0x0000000000400000-0x0000000000424000-memory.dmp

                Filesize

                144KB

              • memory/4760-102-0x0000000000400000-0x0000000000424000-memory.dmp

                Filesize

                144KB

              • memory/4760-104-0x0000000000400000-0x0000000000424000-memory.dmp

                Filesize

                144KB

              • memory/4760-101-0x0000000000400000-0x0000000000424000-memory.dmp

                Filesize

                144KB