Overview

overview

10

Static

static

3

01cc9dd227...87.exe

windows7-x64

10

01cc9dd227...87.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    137s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2023 19:31

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General

  • Target

    01cc9dd22794e7fdd24b37bdd30f4487.exe

  • Size

    148KB

  • MD5

    01cc9dd22794e7fdd24b37bdd30f4487

  • SHA1

    015eb43592868492e032ed6022466060a695e8b0

  • SHA256

    406811bd2d94c52102ecbfc207ce52677a7efe17aeb79573c4f607b28a102e39

  • SHA512

    9ac7332feea4a705fc739f7cad51e6f6b880c5f4c299195c8a3347823f12887106f5e7aee3dcef5d8e8b01d3367372eac27c354d898f55be0810434e9f00cdd4

  • SSDEEP

    3072:IwWiqHqAe6HmhyX5D30kHIxsI5/DuT61m:MiqHxFGmk4SsI5/

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 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\01cc9dd22794e7fdd24b37bdd30f4487.exe
    "C:\Users\Admin\AppData\Local\Temp\01cc9dd22794e7fdd24b37bdd30f4487.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Users\Admin\AppData\Local\Temp\01cc9dd22794e7fdd24b37bdd30f4487.exe
      "C:\Users\Admin\AppData\Local\Temp\01cc9dd22794e7fdd24b37bdd30f4487.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3936
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 328
        3⤵
        • Program crash
        PID:2500
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3936 -ip 3936
    1⤵
      PID:4736

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/3008-2-0x00000000048C0000-0x00000000048CA000-memory.dmp

      Filesize

      40KB

      Download

    • memory/3008-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

      Filesize

      1024KB

      Download

    • memory/3392-5-0x0000000002660000-0x0000000002676000-memory.dmp

      Filesize

      88KB

      Download

    • memory/3936-4-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/3936-3-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download

    • memory/3936-8-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

      Download