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Overview

overview

10

Static

static

3

dridex

windows10-1703-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    130s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25/11/2023, 17:25

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General

  • Target

    e814e9678f39ab652ccf4f022d26b92cc5f157a4ad3c88000b3e03eefb192d22.exe

  • Size

    289KB

  • MD5

    14136f803ec027860729f4cf0d79b564

  • SHA1

    4b7b39a80d40c5e051d059edd1f9ad3bca4c3a2c

  • SHA256

    e814e9678f39ab652ccf4f022d26b92cc5f157a4ad3c88000b3e03eefb192d22

  • SHA512

    a67dd6fb6978768cc4b4d07d2ccb8dcc26b842067010d566951cd6ce918a082160dbe415d99adf1255056df0fca543ba226ba97074deaa4c25236254991ba65a

  • SSDEEP

    3072:uYJqYcIZaY/0OqESOniSxnJ9GBZPpGW8j+wGE8m526trv5kVyBk3eFx/RvfB:X48Za00OCQignPQZPc/K6px

Score
10/10
smokeloaderup4backdoorpersistencetrojan

Malware Config

Extracted

Family

smokeloader

Botnet

up4

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-file0.com/

http://file-file-file1.com/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 29 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 29 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 44 IoCs
  • Suspicious use of SendNotifyMessage 23 IoCs
  • Suspicious use of SetWindowsHookEx 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\e814e9678f39ab652ccf4f022d26b92cc5f157a4ad3c88000b3e03eefb192d22.exe
    "C:\Users\Admin\AppData\Local\Temp\e814e9678f39ab652ccf4f022d26b92cc5f157a4ad3c88000b3e03eefb192d22.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Users\Admin\AppData\Local\Temp\e814e9678f39ab652ccf4f022d26b92cc5f157a4ad3c88000b3e03eefb192d22.exe
      "C:\Users\Admin\AppData\Local\Temp\e814e9678f39ab652ccf4f022d26b92cc5f157a4ad3c88000b3e03eefb192d22.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:260
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:316
  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
    1⤵
    • Drops file in Windows directory
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/260-2-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/260-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/260-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/260-7-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/316-18-0x00000000045C0000-0x00000000045C1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3272-6-0x0000000001120000-0x0000000001136000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3272-14-0x00000000010A0000-0x00000000010A1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4600-1-0x0000000002C00000-0x0000000002D00000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/4600-3-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4952-25-0x000002E016470000-0x000002E016490000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4952-31-0x000002E016B00000-0x000002E016B20000-memory.dmp

    Filesize

    128KB

    Download