Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:40

General

  • Target

    ORDEZTECH202067.exe

  • Size

    729KB

  • MD5

    5e03e07d2701ae88f1d072d7c1102762

  • SHA1

    8c50f5333bfe34d846de0df1782386c0ffcf0667

  • SHA256

    4ad47d37f0033d71887d69f3dfdb0961c10e98d7db1928beab71d6540db95c03

  • SHA512

    754d1df02ff15072f182956491b97eb45e11c835555d67279176fafe15026ee3a1fc9dfae33e4fa12860d84ca6f88032d9e54a9e1d70f5be160895005db627b7

Score
10/10

Malware Config

Extracted

Family

remcos

Version

2.5.1 Pro

Botnet

Amazone

C2

79.134.225.43:5908

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    -JSKOGA

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Signatures

  • Remcos

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDEZTECH202067.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDEZTECH202067.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
      "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:924

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    Filesize

    41KB

    MD5

    6a673bfc3b67ae9782cb31af2f234c68

    SHA1

    7544e89566d91e84e3cd437b9a073e5f6b56566e

    SHA256

    978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

    SHA512

    72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

  • \Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    Filesize

    41KB

    MD5

    6a673bfc3b67ae9782cb31af2f234c68

    SHA1

    7544e89566d91e84e3cd437b9a073e5f6b56566e

    SHA256

    978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

    SHA512

    72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

  • memory/924-64-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/924-65-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/924-58-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/924-59-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/924-61-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/924-63-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/924-73-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/924-72-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/924-67-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/924-71-0x0000000075C01000-0x0000000075C03000-memory.dmp
    Filesize

    8KB

  • memory/924-68-0x0000000000413B74-mapping.dmp
  • memory/2036-55-0x0000000000200000-0x000000000020A000-memory.dmp
    Filesize

    40KB

  • memory/2036-56-0x0000000000390000-0x000000000039A000-memory.dmp
    Filesize

    40KB

  • memory/2036-54-0x0000000001370000-0x000000000142C000-memory.dmp
    Filesize

    752KB