Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 02:57

General

  • Target

    Swiftcopy_MT103_Balance_Payment_Confirm_Reference000000000000000000000000_pdf.exe

  • Size

    393KB

  • MD5

    57393c77384cc2d9de469c0e386e253a

  • SHA1

    4b09dd1a1920c0b27c50496644ae280a7aed8514

  • SHA256

    24b91dce786728cf40606d390ea7098e51a3141de8fb26eac68997913be81033

  • SHA512

    bcd5a20047b281ae1ec2195eacbcc1fd78147b6a95b54707a24bdd0698dbb8fb06d7051b8ac1a9453d9d945e5dd285b45eefa758dc589204aac2b419811f08c4

  • SSDEEP

    12288:cATgiCendPxVVBO97/arTvV+yvayvgluzpn4H3:cAJCK9jVBOB/KraTX

Malware Config

Extracted

Family

remcos

Botnet

WEALTHBILLIONAIRES

C2

wealthabundance01.duckdns.org:3981

wealthabundance01.duckdns.org:3980

wealthabundance002..duckdns.org:3980

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

    wealthymannow-JW6AZS

  • 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
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • 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 2 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swiftcopy_MT103_Balance_Payment_Confirm_Reference000000000000000000000000_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Swiftcopy_MT103_Balance_Payment_Confirm_Reference000000000000000000000000_pdf.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\Swiftcopy_MT103_Balance_Payment_Confirm_Reference000000000000000000000000_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Swiftcopy_MT103_Balance_Payment_Confirm_Reference000000000000000000000000_pdf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    c0f8d443e57b3f3b73b8a823fc648963

    SHA1

    f0e4e284495d948b29eee58ff5d0a4900b2bd918

    SHA256

    8d736efb870b4652edfb5bf80d567471ec981bcba2164ad81363c61f8ad663d6

    SHA512

    dd340212b9ece54bc266391290024f216d5b3b6e55dab0b6f0825e809ece248473a82139cbdff6ebfc3ce2eee5eab5fd8ffcef1dc3556cf75546a9cae98caefa

  • C:\Users\Admin\AppData\Local\Temp\Cab3B2E.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar3B51.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\nsoBD1A.tmp\System.dll

    Filesize

    11KB

    MD5

    55a26d7800446f1373056064c64c3ce8

    SHA1

    80256857e9a0a9c8897923b717f3435295a76002

    SHA256

    904fd5481d72f4e03b01a455f848dedd095d0fb17e33608e0d849f5196fb6ff8

    SHA512

    04b8ab7a85c26f188c0a06f524488d6f2ac2884bf107c860c82e94ae12c3859f825133d78338fd2b594dfc48f7dc9888ae76fee786c6252a5c77c88755128a5b

  • memory/1236-14-0x0000000077160000-0x0000000077309000-memory.dmp

    Filesize

    1.7MB

  • memory/1236-13-0x0000000077161000-0x0000000077262000-memory.dmp

    Filesize

    1.0MB

  • memory/2520-15-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2520-16-0x0000000077160000-0x0000000077309000-memory.dmp

    Filesize

    1.7MB

  • memory/2520-18-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB

  • memory/2520-72-0x0000000000400000-0x0000000001462000-memory.dmp

    Filesize

    16.4MB