Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Analysis

  • max time kernel
    300s
  • max time network
    177s
  • platform
    windows10-1703_x64
  • resource
    win10-20230621-en
  • resource tags

    arch:x64arch:x86image:win10-20230621-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01/07/2023, 23:40

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General

  • Target

    81715fbf292d109c91aa87583ea0a19c46e489311498119a1b7c37249fda4ce7.exe

  • Size

    302KB

  • MD5

    fb1d011a8fb404470f23e4b67ffa2b5c

  • SHA1

    97474aa850c1557b3ab72e62d93e3b2595470be8

  • SHA256

    81715fbf292d109c91aa87583ea0a19c46e489311498119a1b7c37249fda4ce7

  • SHA512

    a25eca4a1fa3b6a69b5af620e81e74d8727ce7e13dc8fb20ecf13e3aaf8e3df14881da06d11e47f47b53fc76d9a982b8a6c51d8074fb2b7f4f2fd42bce1553e8

  • SSDEEP

    3072:+1fRH9XTXv7FyVvLT2Vt3lLX6tGxMctxF4VXS1EMVgMg2W5DMc6ryTA:8ZH9jXoNCTt44pTuA5wMxryT

Score
10/10
smokeloaderpub1backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 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: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\81715fbf292d109c91aa87583ea0a19c46e489311498119a1b7c37249fda4ce7.exe
    "C:\Users\Admin\AppData\Local\Temp\81715fbf292d109c91aa87583ea0a19c46e489311498119a1b7c37249fda4ce7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Users\Admin\AppData\Local\Temp\81715fbf292d109c91aa87583ea0a19c46e489311498119a1b7c37249fda4ce7.exe
      "C:\Users\Admin\AppData\Local\Temp\81715fbf292d109c91aa87583ea0a19c46e489311498119a1b7c37249fda4ce7.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4248

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3244-121-0x0000000000FB0000-0x0000000000FC6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4228-119-0x0000000001800000-0x0000000001809000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4248-118-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4248-120-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4248-122-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download