Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 03:05

General

  • Target

    JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe

  • Size

    835.9MB

  • MD5

    6de68ff3f2e0ecf720905f783e707912

  • SHA1

    d921abe997537273ba1133a0afa95271f397b25e

  • SHA256

    6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8

  • SHA512

    028dff1eecc6e1ae77c259c666dcc34b0c65499e37a9b1ff56b7af4db33dc07ede7f7678978f6211fa11052577a0539e911e49962d2a5bc129a0ed0c351e277d

  • SSDEEP

    12288:IeUcz27ubdMrMTjgddDxE6hCsfaG5Mcsp6A/MdfExobHbLYuK:BU+jM2gd1KOCsiArg6EVAYuK

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

ZIP

C2

gfkodssnvosdjvlksnvldkj.con-ip.com:1883

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-O0ZE3X

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2716
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\AppData"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1696
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2104
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1928
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6569bc42cbe3905f6dd2105826c2d7c08d5a9a6606130e80ac01f6f31278fba8.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    b0d8146add8dbb3df7f2769cb2e7adfc

    SHA1

    926d938fdcfee0ad3f2eec058c5a04c8ad2fc241

    SHA256

    293310771fa43ce85282a56fe1bb920d6f6d5077ba28dd81994b30e3764f48c6

    SHA512

    7f077def8d732abcc242377a79479fe67e0d4fc597e5885c101c547b0cfca8969ce33f682ef70fa7fae95c7550737cd479285d0398ec4de9a6ee1738112141ff

  • memory/2568-0-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

    Filesize

    4KB

  • memory/2568-1-0x0000000000A40000-0x0000000000AD4000-memory.dmp

    Filesize

    592KB

  • memory/2568-2-0x0000000073F50000-0x000000007463E000-memory.dmp

    Filesize

    6.9MB

  • memory/2568-30-0x0000000073F50000-0x000000007463E000-memory.dmp

    Filesize

    6.9MB

  • memory/2716-15-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-10-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-25-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-14-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2716-13-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-12-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-11-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-20-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-9-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-7-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-26-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-29-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-5-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB

  • memory/2716-3-0x00000000000C0000-0x0000000000142000-memory.dmp

    Filesize

    520KB