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Analysis

  • max time kernel
    150s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/03/2023, 01:12

General

  • Target

    setup.exe

  • Size

    273KB

  • MD5

    15247b34ea738f74c3a4e8e23d67a639

  • SHA1

    65b0a8439615fddb1c62166c2a5b3b965f94ea97

  • SHA256

    ecfe9651f2848c5fdebfedc91e998b1cb2c3a546b3f80dd5507b6b00acee1869

  • SHA512

    8e60616cb9b676dff4d1255fdc17da2da5c68990ea79d0a4dce7e900b25383ca2f8631194391b23174979efb13429bd82617a7bd2d0f47120a34aaf1a7b6125a

  • SSDEEP

    3072:C/06DPTRE43XAqvWv89KXWmrhEoPmLfFHk8R5TPotA5iHi9CJQN0fm2Rh:lkE4nh9KXHYfF95cteiCsTfz

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:8
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:3892
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:4416
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:4968
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:1060
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2212
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:3684
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:4700
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:4976
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:4520

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/8-136-0x0000000000400000-0x0000000002B71000-memory.dmp

                      Filesize

                      39.4MB

                    • memory/8-134-0x0000000002C60000-0x0000000002C69000-memory.dmp

                      Filesize

                      36KB

                    • memory/1060-155-0x0000000000D70000-0x0000000000D7C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1060-157-0x0000000000D70000-0x0000000000D7C000-memory.dmp

                      Filesize

                      48KB

                    • memory/1060-156-0x0000000000710000-0x0000000000719000-memory.dmp

                      Filesize

                      36KB

                    • memory/2212-160-0x0000000000C00000-0x0000000000C27000-memory.dmp

                      Filesize

                      156KB

                    • memory/2212-158-0x0000000000C00000-0x0000000000C27000-memory.dmp

                      Filesize

                      156KB

                    • memory/2212-159-0x0000000000D70000-0x0000000000D7C000-memory.dmp

                      Filesize

                      48KB

                    • memory/2616-135-0x0000000002C00000-0x0000000002C16000-memory.dmp

                      Filesize

                      88KB

                    • memory/3684-173-0x0000000000C00000-0x0000000000C27000-memory.dmp

                      Filesize

                      156KB

                    • memory/3684-161-0x0000000000A50000-0x0000000000A59000-memory.dmp

                      Filesize

                      36KB

                    • memory/3684-162-0x0000000000C00000-0x0000000000C27000-memory.dmp

                      Filesize

                      156KB

                    • memory/3684-163-0x0000000000A50000-0x0000000000A59000-memory.dmp

                      Filesize

                      36KB

                    • memory/3892-146-0x0000000000B60000-0x0000000000B6B000-memory.dmp

                      Filesize

                      44KB

                    • memory/3892-148-0x0000000000B60000-0x0000000000B6B000-memory.dmp

                      Filesize

                      44KB

                    • memory/3892-147-0x0000000002C60000-0x0000000002C69000-memory.dmp

                      Filesize

                      36KB

                    • memory/4416-151-0x0000000000980000-0x000000000098F000-memory.dmp

                      Filesize

                      60KB

                    • memory/4416-150-0x0000000000B60000-0x0000000000B6B000-memory.dmp

                      Filesize

                      44KB

                    • memory/4416-149-0x0000000000980000-0x000000000098F000-memory.dmp

                      Filesize

                      60KB

                    • memory/4416-171-0x0000000000B60000-0x0000000000B6B000-memory.dmp

                      Filesize

                      44KB

                    • memory/4520-169-0x00000000008B0000-0x00000000008BB000-memory.dmp

                      Filesize

                      44KB

                    • memory/4520-176-0x0000000000890000-0x000000000089D000-memory.dmp

                      Filesize

                      52KB

                    • memory/4520-170-0x00000000008B0000-0x00000000008BB000-memory.dmp

                      Filesize

                      44KB

                    • memory/4700-174-0x0000000000A50000-0x0000000000A59000-memory.dmp

                      Filesize

                      36KB

                    • memory/4700-164-0x0000000000150000-0x000000000015B000-memory.dmp

                      Filesize

                      44KB

                    • memory/4700-165-0x0000000000150000-0x000000000015B000-memory.dmp

                      Filesize

                      44KB

                    • memory/4968-172-0x0000000000980000-0x000000000098F000-memory.dmp

                      Filesize

                      60KB

                    • memory/4968-154-0x0000000000710000-0x0000000000719000-memory.dmp

                      Filesize

                      36KB

                    • memory/4968-152-0x0000000000710000-0x0000000000719000-memory.dmp

                      Filesize

                      36KB

                    • memory/4968-153-0x0000000000980000-0x000000000098F000-memory.dmp

                      Filesize

                      60KB

                    • memory/4976-168-0x0000000000890000-0x000000000089D000-memory.dmp

                      Filesize

                      52KB

                    • memory/4976-167-0x0000000000150000-0x000000000015B000-memory.dmp

                      Filesize

                      44KB

                    • memory/4976-166-0x0000000000890000-0x000000000089D000-memory.dmp

                      Filesize

                      52KB

                    • memory/4976-175-0x0000000000150000-0x000000000015B000-memory.dmp

                      Filesize

                      44KB