Analysis

  • max time kernel
    150s
  • max time network
    127s
  • 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, 02:40

General

  • Target
    setup.exe
  • Size 246KB
  • Sample230325-c5xp6sch41
  • SHA256 f6318ccf8d9a1882dbee3624343f7232350d1d48284a6aac81241ef8edda2a03
  • 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:524
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4924
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1752
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:364
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1340
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2164
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:4584
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2228
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:5028
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:3728

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/364-173-0x0000000000EC0000-0x0000000000ECF000-memory.dmp

                          memory/364-152-0x00000000005F0000-0x00000000005F9000-memory.dmp

                          memory/364-153-0x0000000000EC0000-0x0000000000ECF000-memory.dmp

                          memory/364-154-0x00000000005F0000-0x00000000005F9000-memory.dmp

                          memory/524-136-0x0000000000400000-0x0000000002B6C000-memory.dmp

                          memory/524-134-0x00000000001F0000-0x00000000001F9000-memory.dmp

                          memory/1340-155-0x0000000001030000-0x000000000103C000-memory.dmp

                          memory/1340-174-0x00000000005F0000-0x00000000005F9000-memory.dmp

                          memory/1340-156-0x0000000001030000-0x000000000103C000-memory.dmp

                          memory/1752-148-0x0000000000EC0000-0x0000000000ECF000-memory.dmp

                          memory/1752-150-0x0000000000130000-0x000000000013B000-memory.dmp

                          memory/1752-151-0x0000000000EC0000-0x0000000000ECF000-memory.dmp

                          memory/2164-159-0x0000000000F50000-0x0000000000F77000-memory.dmp

                          memory/2164-157-0x0000000000F50000-0x0000000000F77000-memory.dmp

                          memory/2164-158-0x0000000001030000-0x000000000103C000-memory.dmp

                          memory/2164-175-0x0000000001030000-0x000000000103C000-memory.dmp

                          memory/2228-163-0x00000000007A0000-0x00000000007AB000-memory.dmp

                          memory/2228-164-0x0000000000E70000-0x0000000000E79000-memory.dmp

                          memory/2228-165-0x00000000007A0000-0x00000000007AB000-memory.dmp

                          memory/3144-135-0x0000000002A90000-0x0000000002AA6000-memory.dmp

                          memory/3728-169-0x00000000003A0000-0x00000000003AB000-memory.dmp

                          memory/3728-171-0x00000000003A0000-0x00000000003AB000-memory.dmp

                          memory/3728-170-0x0000000000B70000-0x0000000000B7D000-memory.dmp

                          memory/4584-161-0x0000000000F50000-0x0000000000F77000-memory.dmp

                          memory/4584-162-0x0000000000E70000-0x0000000000E79000-memory.dmp

                          memory/4584-160-0x0000000000E70000-0x0000000000E79000-memory.dmp

                          memory/4924-149-0x0000000000130000-0x000000000013B000-memory.dmp

                          memory/4924-172-0x00000000001F0000-0x00000000001F9000-memory.dmp

                          memory/4924-146-0x0000000000130000-0x000000000013B000-memory.dmp

                          memory/4924-147-0x00000000001F0000-0x00000000001F9000-memory.dmp

                          memory/5028-167-0x00000000007A0000-0x00000000007AB000-memory.dmp

                          memory/5028-168-0x0000000000B70000-0x0000000000B7D000-memory.dmp

                          memory/5028-166-0x0000000000B70000-0x0000000000B7D000-memory.dmp

                          memory/5028-176-0x00000000007A0000-0x00000000007AB000-memory.dmp