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Analysis

  • max time kernel
    146s
  • max time network
    77s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21/10/2023, 22:12

General

  • Target

    069ccfda4968c86ca1df573f11c38751139f037cf995293f6ed6b6d206495fb2.exe

  • Size

    259KB

  • MD5

    3a1069562a791e3fc903c7c69a7eea9a

  • SHA1

    74d9f1bdebafe3a79fe7ef44227088568ee5c067

  • SHA256

    069ccfda4968c86ca1df573f11c38751139f037cf995293f6ed6b6d206495fb2

  • SHA512

    eb0af70c75d00f7253f9ddbd94450f16d8970f53b249d8ac1f20f788c470274949f661ca4dd4263dca10257407752941ac5650160cba12b16798f631be1c4cf6

  • SSDEEP

    3072:HW1BNKcJA/mq9OPKCsFGpBl3IR3eaCW7+oQInIdN0rJKB+zJ:04CA/h9OCr8pBlYR3eaCvyrYQ

Malware Config

Extracted

Family

smokeloader

Botnet

up3

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.

  • 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 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\069ccfda4968c86ca1df573f11c38751139f037cf995293f6ed6b6d206495fb2.exe
    "C:\Users\Admin\AppData\Local\Temp\069ccfda4968c86ca1df573f11c38751139f037cf995293f6ed6b6d206495fb2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Local\Temp\069ccfda4968c86ca1df573f11c38751139f037cf995293f6ed6b6d206495fb2.exe
      "C:\Users\Admin\AppData\Local\Temp\069ccfda4968c86ca1df573f11c38751139f037cf995293f6ed6b6d206495fb2.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2440-1-0x00000000008B0000-0x00000000009B0000-memory.dmp

    Filesize

    1024KB

  • memory/2440-2-0x00000000001F0000-0x00000000001F9000-memory.dmp

    Filesize

    36KB

  • memory/2672-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2672-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2672-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3252-5-0x0000000001170000-0x0000000001186000-memory.dmp

    Filesize

    88KB