Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2023, 14:29

General

  • Target

    ce4d4d90930a76c70509f754b056ac01f31c18057174438033a0730139095f75.exe

  • Size

    271KB

  • MD5

    012cea5b54f5cbdc516e264ffc132a22

  • SHA1

    6673a76737901f7c8ae01fb0d46dc81ad4a8cb57

  • SHA256

    ce4d4d90930a76c70509f754b056ac01f31c18057174438033a0730139095f75

  • SHA512

    939de6c679ee1fa923bd4fbd2f25266d96dfdeb17360f70364754c850dd66d730f17353318ae7ff28b3fa550cc4cd79a269a5d8232d9315791f1fe86f660d122

  • SSDEEP

    3072:+zK1Ijv9DbX1n27OOV0LaCl6UqjP2HnwJLv7F3bf7Zfk46RsVxz+da39iVR:8cav9FjjaCl6UseHOLzRf7BkQVx1M

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 AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 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\ce4d4d90930a76c70509f754b056ac01f31c18057174438033a0730139095f75.exe
    "C:\Users\Admin\AppData\Local\Temp\ce4d4d90930a76c70509f754b056ac01f31c18057174438033a0730139095f75.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4760
    • C:\Users\Admin\AppData\Local\Temp\ce4d4d90930a76c70509f754b056ac01f31c18057174438033a0730139095f75.exe
      "C:\Users\Admin\AppData\Local\Temp\ce4d4d90930a76c70509f754b056ac01f31c18057174438033a0730139095f75.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4844

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3304-25-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-32-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-47-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-46-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-44-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-5-0x0000000002B80000-0x0000000002B96000-memory.dmp

          Filesize

          88KB

        • memory/3304-13-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-14-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-15-0x0000000002BA0000-0x0000000002BB0000-memory.dmp

          Filesize

          64KB

        • memory/3304-16-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-17-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-18-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-19-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-20-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-21-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-22-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-24-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-41-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-39-0x0000000002BD0000-0x0000000002BE0000-memory.dmp

          Filesize

          64KB

        • memory/3304-27-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-28-0x0000000002BB0000-0x0000000002BC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-30-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-29-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-34-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-36-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-23-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-37-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-38-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-42-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-40-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/3304-43-0x0000000002CB0000-0x0000000002CC0000-memory.dmp

          Filesize

          64KB

        • memory/4760-1-0x0000000000710000-0x0000000000810000-memory.dmp

          Filesize

          1024KB

        • memory/4760-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

          Filesize

          36KB

        • memory/4844-6-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/4844-4-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/4844-3-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB