Analysis

  • max time kernel
    149s
  • 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
    09-10-2024 12:29

General

  • Target

    P04562345.bat.exe

  • Size

    1.1MB

  • MD5

    d29616351ef9a129027188527865b943

  • SHA1

    29b47295801378189b842715da51f31c12a3331b

  • SHA256

    1f2244ccbe6c3cde3824c8b801a300393bebd9c9aa1c4538be0b67a5e761f075

  • SHA512

    cd05a6d085a7623b3e5e26b6e5f333709811d57554341708e1d71f92f9b6811ca5e91e948296f09017283475377c7aceb8e41f09a355dddf74e6ccbf4b58c024

  • SSDEEP

    24576:VeYzaZsWKMgptI3AeFGuD+x5ou+qxzc0xh276F6+E9:MZDYptCAef17A2O09

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:3000

154.216.17.185:6902

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-L2X7AM

  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.

  • Suspicious use of SetThreadContext 1 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\P04562345.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\P04562345.bat.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4592
    • 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\P04562345.bat.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4132
    • C:\Users\Admin\AppData\Local\Temp\P04562345.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\P04562345.bat.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    f2bf5a07a64b67c5f35abaf5de569817

    SHA1

    964e64654464976ca9cd8d8893cdc6d2431b34d1

    SHA256

    ca7d21e483924114ec9d272665b6c097c2ef3ada3fb884772e2c0a33ac3910ac

    SHA512

    e7305d54d10393045973ced47f7996578057526b2d1330a2a72f806e81c671b8c7a3f1b2fa922e3248f0539b5363500f885cdb6c54fc8995a87bf1072a4e3503

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rp01m4wm.zdm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/396-81-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-80-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-105-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-104-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-97-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-96-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-89-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-78-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-88-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-66-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-17-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-12-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-62-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-61-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-60-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-11-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-42-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/396-43-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4132-56-0x0000000006E50000-0x0000000006E6E000-memory.dmp

    Filesize

    120KB

  • memory/4132-67-0x0000000007BF0000-0x0000000007BFA000-memory.dmp

    Filesize

    40KB

  • memory/4132-40-0x0000000006850000-0x000000000686E000-memory.dmp

    Filesize

    120KB

  • memory/4132-41-0x00000000068A0000-0x00000000068EC000-memory.dmp

    Filesize

    304KB

  • memory/4132-26-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-34-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-44-0x0000000006E10000-0x0000000006E42000-memory.dmp

    Filesize

    200KB

  • memory/4132-45-0x00000000709D0000-0x0000000070A1C000-memory.dmp

    Filesize

    304KB

  • memory/4132-27-0x00000000060A0000-0x0000000006106000-memory.dmp

    Filesize

    408KB

  • memory/4132-55-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-58-0x0000000007A60000-0x0000000007B03000-memory.dmp

    Filesize

    652KB

  • memory/4132-57-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-59-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-28-0x0000000006180000-0x00000000061E6000-memory.dmp

    Filesize

    408KB

  • memory/4132-25-0x0000000005790000-0x00000000057B2000-memory.dmp

    Filesize

    136KB

  • memory/4132-24-0x0000000005970000-0x0000000005F98000-memory.dmp

    Filesize

    6.2MB

  • memory/4132-64-0x0000000007B80000-0x0000000007B9A000-memory.dmp

    Filesize

    104KB

  • memory/4132-63-0x00000000081C0000-0x000000000883A000-memory.dmp

    Filesize

    6.5MB

  • memory/4132-23-0x0000000005280000-0x00000000052B6000-memory.dmp

    Filesize

    216KB

  • memory/4132-39-0x0000000006340000-0x0000000006694000-memory.dmp

    Filesize

    3.3MB

  • memory/4132-68-0x0000000007E00000-0x0000000007E96000-memory.dmp

    Filesize

    600KB

  • memory/4132-69-0x0000000007D80000-0x0000000007D91000-memory.dmp

    Filesize

    68KB

  • memory/4132-70-0x0000000007DB0000-0x0000000007DBE000-memory.dmp

    Filesize

    56KB

  • memory/4132-71-0x0000000007DC0000-0x0000000007DD4000-memory.dmp

    Filesize

    80KB

  • memory/4132-72-0x0000000007EC0000-0x0000000007EDA000-memory.dmp

    Filesize

    104KB

  • memory/4132-74-0x0000000007EA0000-0x0000000007EA8000-memory.dmp

    Filesize

    32KB

  • memory/4132-77-0x0000000074910000-0x00000000750C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4132-22-0x000000007491E000-0x000000007491F000-memory.dmp

    Filesize

    4KB

  • memory/4592-8-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4592-7-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/4592-6-0x0000000005500000-0x0000000005518000-memory.dmp

    Filesize

    96KB

  • memory/4592-5-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB

  • memory/4592-4-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

    Filesize

    40KB

  • memory/4592-3-0x0000000004F90000-0x0000000005022000-memory.dmp

    Filesize

    584KB

  • memory/4592-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

    Filesize

    5.6MB

  • memory/4592-1-0x00000000003E0000-0x00000000004F0000-memory.dmp

    Filesize

    1.1MB

  • memory/4592-0-0x000000007487E000-0x000000007487F000-memory.dmp

    Filesize

    4KB

  • memory/4592-9-0x0000000006210000-0x00000000062D0000-memory.dmp

    Filesize

    768KB

  • memory/4592-10-0x0000000009DD0000-0x0000000009E6C000-memory.dmp

    Filesize

    624KB

  • memory/4592-16-0x0000000074870000-0x0000000075020000-memory.dmp

    Filesize

    7.7MB