Analysis

  • max time kernel
    87s
  • max time network
    83s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2022 14:16

General

  • Target

    New Order.exe

  • Size

    138KB

  • MD5

    25f562232c0fc74dbb8a66e98a68f824

  • SHA1

    b931e0a023f4f63bf9201065ce727639788a9478

  • SHA256

    36883560a0020cbce37e7ccb9121cd4b9eddaabe6ecf1d732c9d237c3ede30c6

  • SHA512

    101f647d7c542e084950974e4106ed54ff8cad27895ec248521f18dd785e34f365b6ec6dc51e5ae5cad6b89cafbff76aed31e9cfe10359810ad0f017c4dd9f74

  • SSDEEP

    3072:BqbSBs5bEg6AAAITTE4R2GZzuj7Fnkob8x4zJLqfU:jBs5bEg6/T44R2GZzuj7Fkob8x

Malware Config

Extracted

Family

remcos

Botnet

StarMoneyNew

C2

185.252.178.35:41900

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-6RGOTF

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:636
    • C:\Users\Admin\AppData\Local\Temp\New Order.exe
      "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:984
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\hpqjtqfn.vbs"
        3⤵
          PID:1536

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\hpqjtqfn.vbs
      Filesize

      508B

      MD5

      fecf78efa2ffc768891191171c65e17e

      SHA1

      27a41bc08d57dd5c819376c15027ee45c5c17822

      SHA256

      f4f8d37153a4042a3c0361ffa93ece29ac21cba5b7c393959f2674b5901dd4c6

      SHA512

      0ce8a797f4eab4c1659238bfe0466eed7cb1367c798ea364e7ecab22a5052ab70e7fd13141a29348549232431ae097085c9171d08bb0605d8328734251d725a9

    • memory/636-60-0x000000006FA70000-0x000000007001B000-memory.dmp
      Filesize

      5.7MB

    • memory/636-62-0x000000006FA70000-0x000000007001B000-memory.dmp
      Filesize

      5.7MB

    • memory/636-61-0x000000006FA70000-0x000000007001B000-memory.dmp
      Filesize

      5.7MB

    • memory/636-58-0x0000000000000000-mapping.dmp
    • memory/984-69-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-71-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-83-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-63-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-66-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-64-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-68-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-81-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-70-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-80-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-73-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-75-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/984-76-0x00000000004327A4-mapping.dmp
    • memory/984-79-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1468-57-0x0000000005470000-0x0000000005502000-memory.dmp
      Filesize

      584KB

    • memory/1468-54-0x0000000000940000-0x0000000000968000-memory.dmp
      Filesize

      160KB

    • memory/1468-56-0x0000000005270000-0x0000000005358000-memory.dmp
      Filesize

      928KB

    • memory/1468-55-0x0000000076BA1000-0x0000000076BA3000-memory.dmp
      Filesize

      8KB

    • memory/1536-82-0x0000000000000000-mapping.dmp