Overview

overview

10

Static

static

1

setup.exe

windows7-x64

10

setup.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/04/2023, 00:29

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General

  • Target

    setup.exe

  • Size

    324KB

  • MD5

    ca80dc3fd1fb813184ea47a1a64a6e1c

  • SHA1

    3fe363ecbe89a2dbb292295a6b36f95566713dd1

  • SHA256

    6a85b446824f7c993777f28f87c60a4f00c338ec2f5220965b7e96dec6f34465

  • SHA512

    054a1251f680e40f9151d04e13f65f6f1b8f77539c729c6e7348d0d2f2e3357a1af4176abde31470a0ea98e4425655853e35b6e7340890cd7eb2284ae4f83cf1

  • SSDEEP

    6144:DgTADocTL6CUVT/O2ZSs62HuCBFNkywm/bc:DgT4FL6CUp22Is62XkETc

Score
10/10
smokeloaderpu10backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Users\Admin\AppData\Local\Temp\setup.exe
      "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1412
  • C:\Users\Admin\AppData\Roaming\uvvjhsc
    C:\Users\Admin\AppData\Roaming\uvvjhsc
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3216
    • C:\Users\Admin\AppData\Roaming\uvvjhsc
      C:\Users\Admin\AppData\Roaming\uvvjhsc
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1972

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

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

          324KB

          MD5

          ca80dc3fd1fb813184ea47a1a64a6e1c

          SHA1

          3fe363ecbe89a2dbb292295a6b36f95566713dd1

          SHA256

          6a85b446824f7c993777f28f87c60a4f00c338ec2f5220965b7e96dec6f34465

          SHA512

          054a1251f680e40f9151d04e13f65f6f1b8f77539c729c6e7348d0d2f2e3357a1af4176abde31470a0ea98e4425655853e35b6e7340890cd7eb2284ae4f83cf1

          Download Submit

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

          324KB

          MD5

          ca80dc3fd1fb813184ea47a1a64a6e1c

          SHA1

          3fe363ecbe89a2dbb292295a6b36f95566713dd1

          SHA256

          6a85b446824f7c993777f28f87c60a4f00c338ec2f5220965b7e96dec6f34465

          SHA512

          054a1251f680e40f9151d04e13f65f6f1b8f77539c729c6e7348d0d2f2e3357a1af4176abde31470a0ea98e4425655853e35b6e7340890cd7eb2284ae4f83cf1

          Download Submit

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

          324KB

          MD5

          ca80dc3fd1fb813184ea47a1a64a6e1c

          SHA1

          3fe363ecbe89a2dbb292295a6b36f95566713dd1

          SHA256

          6a85b446824f7c993777f28f87c60a4f00c338ec2f5220965b7e96dec6f34465

          SHA512

          054a1251f680e40f9151d04e13f65f6f1b8f77539c729c6e7348d0d2f2e3357a1af4176abde31470a0ea98e4425655853e35b6e7340890cd7eb2284ae4f83cf1

          Download Submit

        • memory/1412-134-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/1412-136-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/1412-138-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/1972-149-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/1972-151-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

          Download

        • memory/2588-135-0x00000000001F0000-0x00000000001F9000-memory.dmp

          Filesize

          36KB

          Download

        • memory/3228-137-0x00000000032A0000-0x00000000032B6000-memory.dmp

          Filesize

          88KB

          Download

        • memory/3228-150-0x00000000031A0000-0x00000000031B6000-memory.dmp

          Filesize

          88KB

          Download