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Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 13:28

General

  • Target

    72787c0133ebe280a7d16f6db8000bcd.exe

  • Size

    326KB

  • MD5

    72787c0133ebe280a7d16f6db8000bcd

  • SHA1

    b287f8d7f22ded27444ae999e65a599cca8cc60a

  • SHA256

    01e062f17f17f54100c3d6849477017acdd7bd57f751a7eb18484c77474d5a6a

  • SHA512

    8e2fd5d50d0f4579a5b7721d5c1fdc6bef1582822a723f293cf0b982eee588bf9d933499c5c16941474a4e3928c42d2305984652aa9542ac31ebcea4dcd9c596

  • SSDEEP

    6144:FXURnqgV/GvULWy9BtdNVJjq3MGMXmSUexV:FonTTWy9BFVJLmUx

Malware Config

Extracted

Family

smokeloader

Botnet

0002

Extracted

Family

smokeloader

Version

2020

C2

https://cinems.club/search.php

https://clothes.surf/search.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 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\72787c0133ebe280a7d16f6db8000bcd.exe
    "C:\Users\Admin\AppData\Local\Temp\72787c0133ebe280a7d16f6db8000bcd.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 380
      2⤵
      • Program crash
      PID:4596
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1224 -ip 1224
    1⤵
      PID:3040
    • C:\Users\Admin\AppData\Roaming\riwtrge
      C:\Users\Admin\AppData\Roaming\riwtrge
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:4796
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 376
        2⤵
        • Program crash
        PID:4196
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4796 -ip 4796
      1⤵
        PID:1792

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\5C1B.tmp

        Filesize

        1.6MB

        MD5

        4f3387277ccbd6d1f21ac5c07fe4ca68

        SHA1

        e16506f662dc92023bf82def1d621497c8ab5890

        SHA256

        767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

        SHA512

        9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

      • C:\Users\Admin\AppData\Roaming\riwtrge

        Filesize

        326KB

        MD5

        72787c0133ebe280a7d16f6db8000bcd

        SHA1

        b287f8d7f22ded27444ae999e65a599cca8cc60a

        SHA256

        01e062f17f17f54100c3d6849477017acdd7bd57f751a7eb18484c77474d5a6a

        SHA512

        8e2fd5d50d0f4579a5b7721d5c1fdc6bef1582822a723f293cf0b982eee588bf9d933499c5c16941474a4e3928c42d2305984652aa9542ac31ebcea4dcd9c596

      • memory/1224-1-0x00000000004B0000-0x00000000005B0000-memory.dmp

        Filesize

        1024KB

      • memory/1224-7-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB

      • memory/1224-2-0x00000000021B0000-0x00000000021B9000-memory.dmp

        Filesize

        36KB

      • memory/1224-11-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB

      • memory/3404-8-0x0000000002B50000-0x0000000002B65000-memory.dmp

        Filesize

        84KB

      • memory/3404-25-0x0000000001160000-0x0000000001175000-memory.dmp

        Filesize

        84KB

      • memory/4796-23-0x0000000000670000-0x0000000000770000-memory.dmp

        Filesize

        1024KB

      • memory/4796-24-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB

      • memory/4796-28-0x0000000000400000-0x0000000000467000-memory.dmp

        Filesize

        412KB