Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 02:36

General

  • Target

    5d03acf2ac90c88be47bd3ae811fcc7ebfb7e8cc0018c3eda2c205b0bb4ba90c.exe

  • Size

    1.1MB

  • MD5

    6d3f0aac19f5bae4c91bb3371b867852

  • SHA1

    d63b777dd2fd2a1663bafb85948fa56477935796

  • SHA256

    5d03acf2ac90c88be47bd3ae811fcc7ebfb7e8cc0018c3eda2c205b0bb4ba90c

  • SHA512

    46f717d0a28a490e2631620f8be91d8b603d872c5db6fe59e062d3dd10fb7c4e5351f73ff65dd451acb790fe3a49a4494c7bd49e5e2ba1b87cb4ba71df7fa530

  • SSDEEP

    24576:QS8Rx57ZVv0of1RkVZzoOQxdVo18vBtpPibYy:uzZnv0of1RkgOQxdGctwr

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

176.10.80.43:3050

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-L6TTXL

  • 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.

  • Remcos family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NSIS installer 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d03acf2ac90c88be47bd3ae811fcc7ebfb7e8cc0018c3eda2c205b0bb4ba90c.exe
    "C:\Users\Admin\AppData\Local\Temp\5d03acf2ac90c88be47bd3ae811fcc7ebfb7e8cc0018c3eda2c205b0bb4ba90c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle hidden "$Haokah=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\groupies\Fraiche.Cui';$Ssterskibets=$Haokah.SubString(53203,3);.$Ssterskibets($Haokah)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4384
      • C:\Users\Admin\AppData\Local\Temp\luskendes.exe
        "C:\Users\Admin\AppData\Local\Temp\luskendes.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2zod5hcs.gpy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\groupies\Blndrammernes.Pol

    Filesize

    304KB

    MD5

    b1faa03637fbe657b0d70562afa791f4

    SHA1

    307c1d804b5818b4cd2ddd4d7bc837747beb3dd1

    SHA256

    fffafad8bf991904296baa85ed0971904dc6fa26b98a3197c276fd277c850fb5

    SHA512

    b538b8fe48d224f4642345dc949aa42a5d3b3aa06f0253cca9352656e760fb9f8d4947ebce6f6975886c1d8d02953d0cece0e5af3e016bec6d494a2eb23f5231

  • C:\Users\Admin\AppData\Local\Temp\groupies\Fraiche.Cui

    Filesize

    52KB

    MD5

    63d5ccbfe881421a78f178a4a02f769a

    SHA1

    c700b0183dba755052657d22746069364218f98e

    SHA256

    ceeef787fe9f17c084c9450e398b9d23efe036931fcbbedd1eabd9745f5662b5

    SHA512

    d551d7b4d7309a5d0660a53ccad672f442bc4b3de88ebff9a5ff269c56f50cd9000bb96f2479e480bba8b1f312277aa12ddefc5156dfe81c65b43f42ffa2a9a6

  • C:\Users\Admin\AppData\Local\Temp\luskendes.exe

    Filesize

    1.1MB

    MD5

    6d3f0aac19f5bae4c91bb3371b867852

    SHA1

    d63b777dd2fd2a1663bafb85948fa56477935796

    SHA256

    5d03acf2ac90c88be47bd3ae811fcc7ebfb7e8cc0018c3eda2c205b0bb4ba90c

    SHA512

    46f717d0a28a490e2631620f8be91d8b603d872c5db6fe59e062d3dd10fb7c4e5351f73ff65dd451acb790fe3a49a4494c7bd49e5e2ba1b87cb4ba71df7fa530

  • memory/4384-8-0x000000007393E000-0x000000007393F000-memory.dmp

    Filesize

    4KB

  • memory/4384-9-0x0000000002680000-0x00000000026B6000-memory.dmp

    Filesize

    216KB

  • memory/4384-10-0x0000000004D50000-0x0000000005378000-memory.dmp

    Filesize

    6.2MB

  • memory/4384-11-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-12-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-13-0x0000000004C80000-0x0000000004CA2000-memory.dmp

    Filesize

    136KB

  • memory/4384-14-0x0000000005480000-0x00000000054E6000-memory.dmp

    Filesize

    408KB

  • memory/4384-15-0x00000000054F0000-0x0000000005556000-memory.dmp

    Filesize

    408KB

  • memory/4384-25-0x0000000005650000-0x00000000059A4000-memory.dmp

    Filesize

    3.3MB

  • memory/4384-26-0x0000000005C60000-0x0000000005C7E000-memory.dmp

    Filesize

    120KB

  • memory/4384-27-0x0000000006230000-0x000000000627C000-memory.dmp

    Filesize

    304KB

  • memory/4384-30-0x0000000006160000-0x0000000006182000-memory.dmp

    Filesize

    136KB

  • memory/4384-29-0x0000000006110000-0x000000000612A000-memory.dmp

    Filesize

    104KB

  • memory/4384-28-0x0000000006C30000-0x0000000006CC6000-memory.dmp

    Filesize

    600KB

  • memory/4384-31-0x00000000072A0000-0x0000000007844000-memory.dmp

    Filesize

    5.6MB

  • memory/4384-33-0x0000000007ED0000-0x000000000854A000-memory.dmp

    Filesize

    6.5MB

  • memory/4384-46-0x0000000007090000-0x00000000070AE000-memory.dmp

    Filesize

    120KB

  • memory/4384-36-0x000000006FDC0000-0x000000006FE0C000-memory.dmp

    Filesize

    304KB

  • memory/4384-35-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-34-0x0000000006E50000-0x0000000006E82000-memory.dmp

    Filesize

    200KB

  • memory/4384-47-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-48-0x00000000070C0000-0x0000000007163000-memory.dmp

    Filesize

    652KB

  • memory/4384-49-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-50-0x00000000071C0000-0x00000000071CA000-memory.dmp

    Filesize

    40KB

  • memory/4384-51-0x00000000071E0000-0x00000000071F1000-memory.dmp

    Filesize

    68KB

  • memory/4384-52-0x0000000007220000-0x000000000722E000-memory.dmp

    Filesize

    56KB

  • memory/4384-54-0x0000000007990000-0x00000000079AA000-memory.dmp

    Filesize

    104KB

  • memory/4384-55-0x0000000007260000-0x0000000007268000-memory.dmp

    Filesize

    32KB

  • memory/4384-53-0x0000000007230000-0x0000000007244000-memory.dmp

    Filesize

    80KB

  • memory/4384-57-0x0000000007A20000-0x0000000007A44000-memory.dmp

    Filesize

    144KB

  • memory/4384-56-0x00000000079F0000-0x0000000007A1A000-memory.dmp

    Filesize

    168KB

  • memory/4384-58-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-60-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-62-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-63-0x000000007393E000-0x000000007393F000-memory.dmp

    Filesize

    4KB

  • memory/4384-64-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-65-0x0000000008550000-0x000000000DB68000-memory.dmp

    Filesize

    86.1MB

  • memory/4384-66-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-67-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-68-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4384-71-0x0000000073930000-0x00000000740E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-73-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-78-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-79-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-80-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-81-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-82-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-83-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-84-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-85-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-86-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB

  • memory/4436-87-0x00000000004B0000-0x0000000001704000-memory.dmp

    Filesize

    18.3MB