Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2023, 02:43

General

  • Target
    setup.exe
  • Size 246KB
  • Sample230325-c7khmach6t
  • SHA256 1e7e5648d41a883afc03b1565cb5f7c5712b49562bf64ddd25787c6cb3fa4389
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 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\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:5084
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1812
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1704
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:1836
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1368
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2080
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:2668
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:3100
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3352
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2368

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/1368-171-0x0000000000B00000-0x0000000000B09000-memory.dmp

                          memory/1368-155-0x00000000009C0000-0x00000000009CC000-memory.dmp

                          memory/1368-154-0x00000000009C0000-0x00000000009CC000-memory.dmp

                          memory/1704-149-0x00000000007C0000-0x00000000007CF000-memory.dmp

                          memory/1704-170-0x0000000000F60000-0x0000000000F6B000-memory.dmp

                          memory/1704-150-0x00000000007C0000-0x00000000007CF000-memory.dmp

                          memory/1812-146-0x0000000000F60000-0x0000000000F6B000-memory.dmp

                          memory/1812-148-0x0000000000F60000-0x0000000000F6B000-memory.dmp

                          memory/1812-147-0x00000000001F0000-0x00000000001F9000-memory.dmp

                          memory/1836-151-0x0000000000B00000-0x0000000000B09000-memory.dmp

                          memory/1836-152-0x00000000007C0000-0x00000000007CF000-memory.dmp

                          memory/1836-153-0x0000000000B00000-0x0000000000B09000-memory.dmp

                          memory/2080-158-0x0000000000E30000-0x0000000000E57000-memory.dmp

                          memory/2080-156-0x0000000000E30000-0x0000000000E57000-memory.dmp

                          memory/2080-157-0x00000000009C0000-0x00000000009CC000-memory.dmp

                          memory/2368-167-0x0000000000B50000-0x0000000000B5B000-memory.dmp

                          memory/2368-168-0x0000000000DE0000-0x0000000000DED000-memory.dmp

                          memory/2368-175-0x0000000000DE0000-0x0000000000DED000-memory.dmp

                          memory/2368-169-0x0000000000B50000-0x0000000000B5B000-memory.dmp

                          memory/2668-160-0x0000000000E30000-0x0000000000E57000-memory.dmp

                          memory/2668-161-0x00000000004F0000-0x00000000004F9000-memory.dmp

                          memory/2668-159-0x00000000004F0000-0x00000000004F9000-memory.dmp

                          memory/2668-172-0x0000000000E30000-0x0000000000E57000-memory.dmp

                          memory/2788-135-0x0000000000930000-0x0000000000946000-memory.dmp

                          memory/3100-163-0x0000000000B50000-0x0000000000B5B000-memory.dmp

                          memory/3100-173-0x00000000004F0000-0x00000000004F9000-memory.dmp

                          memory/3100-162-0x0000000000B50000-0x0000000000B5B000-memory.dmp

                          memory/3352-166-0x0000000000DE0000-0x0000000000DED000-memory.dmp

                          memory/3352-165-0x0000000000B50000-0x0000000000B5B000-memory.dmp

                          memory/3352-164-0x0000000000DE0000-0x0000000000DED000-memory.dmp

                          memory/3352-174-0x0000000000B50000-0x0000000000B5B000-memory.dmp

                          memory/5084-134-0x00000000001F0000-0x00000000001F9000-memory.dmp

                          memory/5084-136-0x0000000000400000-0x0000000002B6C000-memory.dmp