Analysis

  • max time kernel
    148s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 20:22

General

  • Target

    173766366548204ede648f5b7a7fa4d931df9419dffab5574fd26b7088333bf4a797d053cf821.dat-decoded.exe

  • Size

    234KB

  • MD5

    ff249f4a658f6cfc9ef1444ebc73e94d

  • SHA1

    1542f784b47d815edfdacbe2d431b6752a18e48a

  • SHA256

    fa947c9e00ecaa3c7cbaf13b91a2fce6ba0a356626e75a77fe2a8fbfad38d284

  • SHA512

    343e9ecc755fc1d630878e0c9950ea5a5596f484bc84e0f60035757f82a8525b61e3ed81ec5128d737b67d5017ec2750ac7acf7237f9ab15642ea21c7b250f37

  • SSDEEP

    6144:kP761yOPJaNOKnod5naEtdpB6JdJf7s/ENdcAcrNOr0/RdVVIQ:kP7M0NOK3856JzjsAOZrNlA

Malware Config

Extracted

Family

remcos

Botnet

YoungMoney

C2

krakencryptotrades.duckdns.org:2025

recoverytrades.duckdns.org:2026

krakenrecoveries.freemyip.com:2026

007lora.varpourtec.com:2026

masterb12.risunn.com:2026

risunn.com:2026

risunn.com:2025

nunubv1.fratellillottini.com:2026

fratellillottini.com:2025

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-VA9UBS

  • 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
  • Detected Nirsoft tools 9 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Reads user/profile data of web browsers 3 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 3 IoCs
  • UPX packed file 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\173766366548204ede648f5b7a7fa4d931df9419dffab5574fd26b7088333bf4a797d053cf821.dat-decoded.exe
    "C:\Users\Admin\AppData\Local\Temp\173766366548204ede648f5b7a7fa4d931df9419dffab5574fd26b7088333bf4a797d053cf821.dat-decoded.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Users\Admin\AppData\Local\Temp\173766366548204ede648f5b7a7fa4d931df9419dffab5574fd26b7088333bf4a797d053cf821.dat-decoded.exe
      C:\Users\Admin\AppData\Local\Temp\173766366548204ede648f5b7a7fa4d931df9419dffab5574fd26b7088333bf4a797d053cf821.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\pnuwdkljbepyc"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1564
    • C:\Users\Admin\AppData\Local\Temp\173766366548204ede648f5b7a7fa4d931df9419dffab5574fd26b7088333bf4a797d053cf821.dat-decoded.exe
      C:\Users\Admin\AppData\Local\Temp\173766366548204ede648f5b7a7fa4d931df9419dffab5574fd26b7088333bf4a797d053cf821.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\spzgwdvcxmhlfkimf"
      2⤵
      • Accesses Microsoft Outlook accounts
      • System Location Discovery: System Language Discovery
      PID:2976
    • C:\Users\Admin\AppData\Local\Temp\173766366548204ede648f5b7a7fa4d931df9419dffab5574fd26b7088333bf4a797d053cf821.dat-decoded.exe
      C:\Users\Admin\AppData\Local\Temp\173766366548204ede648f5b7a7fa4d931df9419dffab5574fd26b7088333bf4a797d053cf821.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\cjezwvgeluzqpqwqwvys"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    bb6b8b328a531ec51670bd5dcb575949

    SHA1

    f9365e18ef93e7a2c242ee7ce9881804a2d1eaef

    SHA256

    b189161882723203ebac3fc346a33873cc2093d4cf3741daccf4a58413bb6fc4

    SHA512

    1f0eb53fe6bccf11502fdf9d423ae21eb0428a7411fd5738dd57ec843e18f38ae9e3990eef595faecdc23ae2f42ca1cd9644d8adaa6dee7a4acb8b87f8f96a97

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

    Filesize

    4KB

    MD5

    16dfb23eaa7972c59c36fcbc0946093b

    SHA1

    1e9e3ff83a05131575f67e202d352709205f20f8

    SHA256

    36c49c94327c8cadcad4c0d2b3a8f5162fc7bb86624923484476c5f7b960bc4c

    SHA512

    a8b38b5e7bf886b78c5c7f01234b44647a252d4dfbcc06c99b863f8e160e3cfc151b2a83b8b49e09d13e8547419467da4bffbb8dee5fc6740032eb7c839d89dc

  • memory/1564-28-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1564-11-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1564-2-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1564-16-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/1564-7-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2780-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-23-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2780-17-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2976-15-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2976-25-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2976-8-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2976-9-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2976-5-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4996-37-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-50-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-36-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-35-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/4996-34-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/4996-39-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-40-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-42-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-44-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-31-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/4996-47-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-0-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-53-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-56-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-58-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-61-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-64-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-67-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-70-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-74-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-77-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4996-80-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB