Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 17:45

General

  • Target

    Image001.exe

  • Size

    1.1MB

  • MD5

    55fd1df4a7482ba442da4b93d4461c41

  • SHA1

    042f6f01b517513d1bd3225385780ecc4d1cda9c

  • SHA256

    c46b74e0a94456585415b10aa57fe25e85d8bf6405982873e4e58f01c8271467

  • SHA512

    a87c3afdb43f1e2fa0e604579f2a81463d3a8dd3fa465a22592e19071879760b7ef0c54119eba195a023c032b483225cf415bad6d0c655292511b3c4d713c677

  • SSDEEP

    12288:LFnv19b1u/+TTR1hxO66kHJhN+tB+HJuxMZcVnYvZR8/xOPKxtV7gqVkH:9f1a0a66kHzO8HJ9cVnE8/xOPitVcqV

Score
10/10

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.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Image001.exe
    "C:\Users\Admin\AppData\Local\Temp\Image001.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IpdbFdcvK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IpdbFdcvK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE570.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1676
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:560

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Scripting

    1
    T1064

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpE570.tmp
      Filesize

      1KB

      MD5

      07297125c81b2bcb71546aea35108232

      SHA1

      6b4961716640458e9a4e2e26e32c0dffc0a1c99d

      SHA256

      aa7dddee851342da5b77af4cd8e5378ae68e5654083fd57c5f16dc382b13c5b4

      SHA512

      02f69e2ae4d02e869a328c0f2238aecc7a76d88e3fccd5e4bde548bec1bc1f1e66badee43918a7f2167beb223ed2abe144d710f8418c1b4a19dd44a30d8947c4

    • memory/560-77-0x00000000004327A4-mapping.dmp
    • memory/560-80-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-67-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-69-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-83-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-71-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-81-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-72-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-64-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-70-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-76-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-74-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/560-65-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1676-61-0x0000000000000000-mapping.dmp
    • memory/1772-84-0x000000006E5F0000-0x000000006EB9B000-memory.dmp
      Filesize

      5.7MB

    • memory/1772-82-0x000000006E5F0000-0x000000006EB9B000-memory.dmp
      Filesize

      5.7MB

    • memory/1772-59-0x0000000000000000-mapping.dmp
    • memory/2020-56-0x00000000006B0000-0x00000000006C6000-memory.dmp
      Filesize

      88KB

    • memory/2020-57-0x00000000006C0000-0x00000000006CC000-memory.dmp
      Filesize

      48KB

    • memory/2020-54-0x0000000000D70000-0x0000000000E92000-memory.dmp
      Filesize

      1.1MB

    • memory/2020-63-0x0000000005200000-0x000000000527C000-memory.dmp
      Filesize

      496KB

    • memory/2020-55-0x0000000075451000-0x0000000075453000-memory.dmp
      Filesize

      8KB

    • memory/2020-58-0x0000000008020000-0x00000000080F2000-memory.dmp
      Filesize

      840KB