Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14/09/2022, 16:42

General

  • Target

    5.exe

  • Size

    463KB

  • MD5

    b04d2ed0b42a05745993502ecdb2b919

  • SHA1

    6c4ff60fa1b8192f20e4732b423f6611d1ff1a20

  • SHA256

    eedb6886b650f7bc37bb934679e35e14f8666352dc1de985936ca243d3f5fe9f

  • SHA512

    8272b4c96f93f15f4620c5b4512c99453e4beb0980b3fb4d2c608f2cf042f31a5f0745d0afa9e45b95f99f3489c2cdac591db3c143fcf758c442cf441def69f6

  • SSDEEP

    6144:hOFBH/FMNjt18F+9a/NgAeDB4CcOtKp03b13a4LJ+sAOZZPWXbTcUn3yg:hOFtiNBuFgawDB4NOmuwsfZP4yg

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

hendersonk1.hopto.org:2404

henderson1.camdvr.org:2404

centplus1.serveftp.com:2404

harrywlike.ddns.net:2404

genekol.nsupdate.info:2404

harrywlike1.ddns.net:2404

hendersonk2022.hopto.org:2404

genekol1.nsupdate.info:2404

generem.camdvr.org:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    sonic.exe

  • copy_folder

    yakkk

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    gsgjdwg-ED8AWP

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    fuckuuuuu

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5.exe
    "C:\Users\Admin\AppData\Local\Temp\5.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\yakkk\sonic.exe"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:888
        • C:\Users\Admin\AppData\Roaming\yakkk\sonic.exe
          C:\Users\Admin\AppData\Roaming\yakkk\sonic.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\install.vbs

    Filesize

    414B

    MD5

    70c091ce330be09a1a4b6d85e6838b02

    SHA1

    cb42a4cc53603b18f298e8adcdb4ad95468866c7

    SHA256

    96a0015a38dc3d553acb454937588a541852fdf1145274e20361e1059cf85741

    SHA512

    ad2c9f7be58e6d2c0ecf1834b08592216798f009ddc995b4dc882b09cb70dd4c98439835c2bf824ab915abe6033eb7c8b6f25ad604b6718ca1007695010b63a6

  • C:\Users\Admin\AppData\Roaming\yakkk\sonic.exe

    Filesize

    463KB

    MD5

    b04d2ed0b42a05745993502ecdb2b919

    SHA1

    6c4ff60fa1b8192f20e4732b423f6611d1ff1a20

    SHA256

    eedb6886b650f7bc37bb934679e35e14f8666352dc1de985936ca243d3f5fe9f

    SHA512

    8272b4c96f93f15f4620c5b4512c99453e4beb0980b3fb4d2c608f2cf042f31a5f0745d0afa9e45b95f99f3489c2cdac591db3c143fcf758c442cf441def69f6

  • C:\Users\Admin\AppData\Roaming\yakkk\sonic.exe

    Filesize

    463KB

    MD5

    b04d2ed0b42a05745993502ecdb2b919

    SHA1

    6c4ff60fa1b8192f20e4732b423f6611d1ff1a20

    SHA256

    eedb6886b650f7bc37bb934679e35e14f8666352dc1de985936ca243d3f5fe9f

    SHA512

    8272b4c96f93f15f4620c5b4512c99453e4beb0980b3fb4d2c608f2cf042f31a5f0745d0afa9e45b95f99f3489c2cdac591db3c143fcf758c442cf441def69f6

  • \Users\Admin\AppData\Roaming\yakkk\sonic.exe

    Filesize

    463KB

    MD5

    b04d2ed0b42a05745993502ecdb2b919

    SHA1

    6c4ff60fa1b8192f20e4732b423f6611d1ff1a20

    SHA256

    eedb6886b650f7bc37bb934679e35e14f8666352dc1de985936ca243d3f5fe9f

    SHA512

    8272b4c96f93f15f4620c5b4512c99453e4beb0980b3fb4d2c608f2cf042f31a5f0745d0afa9e45b95f99f3489c2cdac591db3c143fcf758c442cf441def69f6

  • \Users\Admin\AppData\Roaming\yakkk\sonic.exe

    Filesize

    463KB

    MD5

    b04d2ed0b42a05745993502ecdb2b919

    SHA1

    6c4ff60fa1b8192f20e4732b423f6611d1ff1a20

    SHA256

    eedb6886b650f7bc37bb934679e35e14f8666352dc1de985936ca243d3f5fe9f

    SHA512

    8272b4c96f93f15f4620c5b4512c99453e4beb0980b3fb4d2c608f2cf042f31a5f0745d0afa9e45b95f99f3489c2cdac591db3c143fcf758c442cf441def69f6

  • memory/1504-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB