Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2023, 01:56

General

  • Target
    setup.exe
  • Size 295KB
  • Sample230329-ccph4aed23
  • SHA256 7514c71c085913c6ae0c1d556cd4af423e238dca1ad13e0b820895af6a4a6a02
  • 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:4264
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:5076
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:628
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2676
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1636
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3648
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:2244
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:4512
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1696
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:4952

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/628-151-0x00000000006E0000-0x00000000006EF000-memory.dmp

                          memory/628-150-0x00000000006F0000-0x00000000006F9000-memory.dmp

                          memory/628-147-0x00000000006E0000-0x00000000006EF000-memory.dmp

                          memory/628-174-0x00000000006F0000-0x00000000006F9000-memory.dmp

                          memory/1636-157-0x0000000001000000-0x000000000100C000-memory.dmp

                          memory/1636-176-0x0000000001010000-0x0000000001016000-memory.dmp

                          memory/1636-156-0x0000000001010000-0x0000000001016000-memory.dmp

                          memory/1636-155-0x0000000001000000-0x000000000100C000-memory.dmp

                          memory/1696-168-0x0000000000540000-0x0000000000547000-memory.dmp

                          memory/1696-167-0x0000000000530000-0x000000000053D000-memory.dmp

                          memory/1696-169-0x0000000000530000-0x000000000053D000-memory.dmp

                          memory/1696-180-0x0000000000540000-0x0000000000547000-memory.dmp

                          memory/2244-161-0x00000000006A0000-0x00000000006A9000-memory.dmp

                          memory/2244-163-0x00000000006A0000-0x00000000006A9000-memory.dmp

                          memory/2244-178-0x00000000006B0000-0x00000000006B5000-memory.dmp

                          memory/2244-162-0x00000000006B0000-0x00000000006B5000-memory.dmp

                          memory/2676-152-0x0000000000120000-0x0000000000129000-memory.dmp

                          memory/2676-175-0x0000000000130000-0x0000000000135000-memory.dmp

                          memory/2676-154-0x0000000000120000-0x0000000000129000-memory.dmp

                          memory/2676-153-0x0000000000130000-0x0000000000135000-memory.dmp

                          memory/3148-135-0x00000000008E0000-0x00000000008F6000-memory.dmp

                          memory/3648-159-0x0000000001240000-0x0000000001262000-memory.dmp

                          memory/3648-158-0x0000000001210000-0x0000000001237000-memory.dmp

                          memory/3648-160-0x0000000001210000-0x0000000001237000-memory.dmp

                          memory/3648-177-0x0000000001240000-0x0000000001262000-memory.dmp

                          memory/4264-136-0x0000000000400000-0x0000000002B77000-memory.dmp

                          memory/4264-134-0x00000000001F0000-0x00000000001F9000-memory.dmp

                          memory/4512-165-0x0000000000330000-0x0000000000336000-memory.dmp

                          memory/4512-166-0x0000000000320000-0x000000000032B000-memory.dmp

                          memory/4512-179-0x0000000000330000-0x0000000000336000-memory.dmp

                          memory/4512-164-0x0000000000320000-0x000000000032B000-memory.dmp

                          memory/4952-171-0x0000000000A70000-0x0000000000A78000-memory.dmp

                          memory/4952-172-0x0000000000A60000-0x0000000000A6B000-memory.dmp

                          memory/4952-170-0x0000000000A60000-0x0000000000A6B000-memory.dmp

                          memory/4952-181-0x0000000000A70000-0x0000000000A78000-memory.dmp

                          memory/5076-173-0x00000000005B0000-0x00000000005B7000-memory.dmp

                          memory/5076-148-0x00000000005B0000-0x00000000005B7000-memory.dmp

                          memory/5076-146-0x00000000005A0000-0x00000000005AB000-memory.dmp

                          memory/5076-149-0x00000000005A0000-0x00000000005AB000-memory.dmp