Analysis

  • max time kernel
    151s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/03/2023, 09:51

General

  • Target
    6ebc3fb4b4f4d3fc09684d6723744dac.exe
  • Size 301KB
  • Sample230317-lvg2eafe82
  • SHA256 485cfcb9cbb98a598598b0600e8b8ecd8b80483b3f2d7af8e3082c672e685ac6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • sprg

Extracted

Family
  • smokeloader

Version
  • 2022

C2
  • http://hoh0aeghwugh2gie.com/

  • http://hie7doodohpae4na.com/

  • http://aek0aicifaloh1yo.com/

  • http://yic0oosaeiy7ahng.com/

  • http://wa5zu7sekai8xeih.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ebc3fb4b4f4d3fc09684d6723744dac.exe
    "C:\Users\Admin\AppData\Local\Temp\6ebc3fb4b4f4d3fc09684d6723744dac.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1796
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4908
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2636
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:4380
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:4620
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:5056
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:676
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:3788
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:4328
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:5020

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/676-163-0x0000000000170000-0x0000000000179000-memory.dmp

                          memory/676-162-0x0000000000EE0000-0x0000000000F07000-memory.dmp

                          memory/676-161-0x0000000000170000-0x0000000000179000-memory.dmp

                          memory/1796-136-0x0000000000400000-0x0000000002AFB000-memory.dmp

                          memory/1796-134-0x0000000004830000-0x0000000004839000-memory.dmp

                          memory/2636-174-0x00000000005E0000-0x00000000005EB000-memory.dmp

                          memory/2636-149-0x00000000010D0000-0x00000000010DF000-memory.dmp

                          memory/2636-150-0x00000000005E0000-0x00000000005EB000-memory.dmp

                          memory/2636-151-0x00000000010D0000-0x00000000010DF000-memory.dmp

                          memory/3112-135-0x0000000001380000-0x0000000001396000-memory.dmp

                          memory/3788-176-0x0000000000170000-0x0000000000179000-memory.dmp

                          memory/3788-166-0x0000000000A30000-0x0000000000A3B000-memory.dmp

                          memory/3788-165-0x0000000000170000-0x0000000000179000-memory.dmp

                          memory/3788-164-0x0000000000A30000-0x0000000000A3B000-memory.dmp

                          memory/4328-168-0x0000000000A30000-0x0000000000A3B000-memory.dmp

                          memory/4328-167-0x0000000000510000-0x000000000051D000-memory.dmp

                          memory/4328-169-0x0000000000510000-0x000000000051D000-memory.dmp

                          memory/4328-177-0x0000000000A30000-0x0000000000A3B000-memory.dmp

                          memory/4380-152-0x00000000003F0000-0x00000000003F9000-memory.dmp

                          memory/4380-153-0x00000000010D0000-0x00000000010DF000-memory.dmp

                          memory/4380-154-0x00000000003F0000-0x00000000003F9000-memory.dmp

                          memory/4620-155-0x00000000005D0000-0x00000000005DC000-memory.dmp

                          memory/4620-157-0x00000000005D0000-0x00000000005DC000-memory.dmp

                          memory/4620-156-0x00000000003F0000-0x00000000003F9000-memory.dmp

                          memory/4908-148-0x00000000005E0000-0x00000000005EB000-memory.dmp

                          memory/4908-173-0x0000000004830000-0x0000000004839000-memory.dmp

                          memory/4908-147-0x0000000004830000-0x0000000004839000-memory.dmp

                          memory/4908-146-0x00000000005E0000-0x00000000005EB000-memory.dmp

                          memory/5020-170-0x0000000000FA0000-0x0000000000FAB000-memory.dmp

                          memory/5020-171-0x0000000000510000-0x000000000051D000-memory.dmp

                          memory/5020-172-0x0000000000FA0000-0x0000000000FAB000-memory.dmp

                          memory/5020-178-0x0000000000510000-0x000000000051D000-memory.dmp

                          memory/5056-158-0x0000000000EE0000-0x0000000000F07000-memory.dmp

                          memory/5056-159-0x00000000005D0000-0x00000000005DC000-memory.dmp

                          memory/5056-160-0x0000000000EE0000-0x0000000000F07000-memory.dmp

                          memory/5056-175-0x00000000005D0000-0x00000000005DC000-memory.dmp