Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/03/2024, 11:10

General

  • Target
    admzx.scr.exe
  • Size 989KB
  • Sample240326-m9pkgabf5z
  • SHA256 f2fe3aa0d244d7f17610042ee41aaa3eff40b1a349b43f317ff92f6ec5b7608e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Botnet
  • Admepc

C2
  • darkotemplar.sytes.net:1999

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    admepc.exe

  • copy_folder

    Admepc

  • 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

    admepc

  • mouse_option

    false

  • mutex

    Rmc-SETMPC

  • 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.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3992
    • C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe
      "C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe
        C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\rydcvhgqbwfxcjnvmjbwalolndqfrc"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4900
      • C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe
        C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\uaivvsrkoexcmxjzvunpdyicvszoknjka"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:4852
      • C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe
        C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\eunowk"
        3⤵
          PID:2512
        • C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe
          C:\Users\Admin\AppData\Local\Temp\admzx.scr.exe /stext "C:\Users\Admin\AppData\Local\Temp\eunowk"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2280

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          logs.dat

          • Path C:\ProgramData\admepc\logs.dat
          • Size 144B
          • SHA256 1497fe97208221910de4ccd45ae77148f98ad8fa183195f566c7db1314536014
          • MD5 SHA1 SHA512

          rydcvhgqbwfxcjnvmjbwalolndqfrc

          • Path C:\Users\Admin\AppData\Local\Temp\rydcvhgqbwfxcjnvmjbwalolndqfrc
          • Size 4KB
          • SHA256 98e7ebb0441c43ba079892f7fd1e9c1360d9d0e6d37575e452944fa0b08638d4
          • MD5 SHA1 SHA512 SSDEEP

          memory/1276-52-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-51-0x0000000010000000-0x0000000010019000-memory.dmp

          memory/1276-92-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-91-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-84-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-83-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-8-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-76-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-10-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-12-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-14-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-13-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-16-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-17-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-18-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-19-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-20-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-21-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-22-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-24-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-75-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-67-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-60-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-59-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-57-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-68-0x0000000000400000-0x0000000000482000-memory.dmp

          memory/1276-53-0x0000000010000000-0x0000000010019000-memory.dmp

          memory/1276-50-0x0000000010000000-0x0000000010019000-memory.dmp

          memory/1276-47-0x0000000010000000-0x0000000010019000-memory.dmp

          memory/2280-41-0x0000000000400000-0x0000000000424000-memory.dmp

          memory/2280-39-0x0000000000400000-0x0000000000424000-memory.dmp

          memory/2280-43-0x0000000000400000-0x0000000000424000-memory.dmp

          memory/2280-30-0x0000000000400000-0x0000000000424000-memory.dmp

          memory/3992-4-0x0000000005E90000-0x0000000006434000-memory.dmp

          memory/3992-3-0x00000000058D0000-0x00000000058E0000-memory.dmp

          memory/3992-0-0x0000000000CF0000-0x0000000000DEE000-memory.dmp

          memory/3992-2-0x00000000057A0000-0x000000000584E000-memory.dmp

          memory/3992-1-0x00000000746D0000-0x0000000074E80000-memory.dmp

          memory/3992-5-0x0000000005980000-0x0000000005A12000-memory.dmp

          memory/3992-6-0x0000000005A20000-0x0000000005ABC000-memory.dmp

          memory/3992-7-0x00000000058C0000-0x00000000058C8000-memory.dmp

          memory/3992-11-0x00000000746D0000-0x0000000074E80000-memory.dmp

          memory/4852-40-0x0000000000400000-0x0000000000462000-memory.dmp

          memory/4852-27-0x0000000000400000-0x0000000000462000-memory.dmp

          memory/4852-35-0x0000000000400000-0x0000000000462000-memory.dmp

          memory/4852-31-0x0000000000400000-0x0000000000462000-memory.dmp

          memory/4852-42-0x0000000000400000-0x0000000000462000-memory.dmp

          memory/4900-34-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/4900-25-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/4900-29-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/4900-45-0x0000000000400000-0x0000000000478000-memory.dmp