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Overview

overview

10

Static

static

1

c52c8c60c2...18.exe

windows7-x64

10

c52c8c60c2...18.exe

windows10-2004-x64

10

Resubmissions

12/10/2023, 08:12

231012-j36cvsad99 10

12/10/2023, 04:51

231012-fgv38afh8z 10

Analysis

  • max time kernel
    61s
  • max time network
    57s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 08:12

Sharing

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General

  • Target

    c52c8c60c2e4d14db1ae71d0bec0f3aee11100604af68812b291b863dddf7218.exe

  • Size

    965KB

  • MD5

    340fb8e45f17b972a524c0f55b670d92

  • SHA1

    914be32c2c492f7fda1d62c247ab585044066d01

  • SHA256

    c52c8c60c2e4d14db1ae71d0bec0f3aee11100604af68812b291b863dddf7218

  • SHA512

    c3cda900334507af66f38d92b49e1139e0b31bfb7c1de8107cce7bace9ef1360f751d910483d2f83625dd1f4000d7d99fef5ea180d294039d4405068bcac6d7a

  • SSDEEP

    12288:a59vHSylVEepsxylL5dPM7xj1Vc1jBAhEQtt7kxI56u99lTVOFXa+nW:anGepsxylL5dPMdj8jqtttlTROo+nW

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 9 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\c52c8c60c2e4d14db1ae71d0bec0f3aee11100604af68812b291b863dddf7218.exe
    "C:\Users\Admin\AppData\Local\Temp\c52c8c60c2e4d14db1ae71d0bec0f3aee11100604af68812b291b863dddf7218.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
        PID:180
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        2⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 268
        2⤵
        • Program crash
        PID:2180
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3068 -ip 3068
      1⤵
        PID:4704

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/1084-1-0x0000000002A90000-0x0000000002AA6000-memory.dmp

        Filesize

        88KB

        Download

      • memory/2892-0-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download

      • memory/2892-2-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download