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Overview

overview

10

Static

static

3

87dd692255...eb.exe

windows7-x64

10

87dd692255...eb.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2024, 22:48

Sharing

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General

  • Target

    87dd69225560d8450047f1b8536d2eeb.exe

  • Size

    335KB

  • MD5

    87dd69225560d8450047f1b8536d2eeb

  • SHA1

    67bf606b4b3b34d7ef8ac5b1953ab1a7a8e7e33b

  • SHA256

    4c67be3bae55934bcd1d482461c9c6fcea941091d43adbcd512240f43c104b46

  • SHA512

    6a881c7e4fbbcd169e3ff0462a27a55576ebcc7b2adca851edee6c6a00a6e0d2b75b3ea696982a47558d65dad983a128a22ab65be0d7e6da79c1762f893233cf

  • SSDEEP

    3072:Xuc6DKv3aKonFR0RLQ2UHxqmMx/7btmA2yls2LK5JP6orhVE+R28raarSy:XujDKvWFR0BbKhMXs2iP6MDfR2C

Score
10/10
smokeloader0308backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

0308

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 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 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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\87dd69225560d8450047f1b8536d2eeb.exe
    "C:\Users\Admin\AppData\Local\Temp\87dd69225560d8450047f1b8536d2eeb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Users\Admin\AppData\Local\Temp\87dd69225560d8450047f1b8536d2eeb.exe
      "C:\Users\Admin\AppData\Local\Temp\87dd69225560d8450047f1b8536d2eeb.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 728 -s 328
        3⤵
        • Program crash
        PID:2328
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 728 -ip 728
    1⤵
      PID:1688
    • C:\Users\Admin\AppData\Roaming\dgfbucc
      C:\Users\Admin\AppData\Roaming\dgfbucc
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3616
      • C:\Users\Admin\AppData\Roaming\dgfbucc
        C:\Users\Admin\AppData\Roaming\dgfbucc
        2⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious behavior: MapViewOfSection
        PID:4176
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4176 -s 328
          3⤵
          • Program crash
          PID:3756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4176 -ip 4176
      1⤵
        PID:4040

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\dgfbucc
        Filesize

        335KB

        MD5

        87dd69225560d8450047f1b8536d2eeb

        SHA1

        67bf606b4b3b34d7ef8ac5b1953ab1a7a8e7e33b

        SHA256

        4c67be3bae55934bcd1d482461c9c6fcea941091d43adbcd512240f43c104b46

        SHA512

        6a881c7e4fbbcd169e3ff0462a27a55576ebcc7b2adca851edee6c6a00a6e0d2b75b3ea696982a47558d65dad983a128a22ab65be0d7e6da79c1762f893233cf

        Download Submit

      • memory/728-3-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download

      • memory/728-4-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download

      • memory/728-8-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download

      • memory/1180-1-0x0000000003430000-0x0000000003530000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/1180-2-0x00000000033F0000-0x00000000033FA000-memory.dmp

        Filesize

        40KB

        Download

      • memory/3452-5-0x00000000026C0000-0x00000000026D6000-memory.dmp

        Filesize

        88KB

        Download

      • memory/3452-20-0x0000000000900000-0x0000000000916000-memory.dmp

        Filesize

        88KB

        Download

      • memory/3616-18-0x0000000003530000-0x0000000003630000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/3616-25-0x0000000003530000-0x0000000003630000-memory.dmp

        Filesize

        1024KB

        Download

      • memory/4176-19-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download

      • memory/4176-23-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

        Download