Analysis

  • max time kernel
    156s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 01:23

General

  • Target

    f22c85988b5f9c2c58d4f0cdd3c5c5d4aa807d196a9e712b8880e46d9586fb52.exe

  • Size

    321KB

  • MD5

    5cff40f577549d49fa9c2e2bbdedeecd

  • SHA1

    836c2f689fde566efd6994a48aff4259e6f6a7eb

  • SHA256

    f22c85988b5f9c2c58d4f0cdd3c5c5d4aa807d196a9e712b8880e46d9586fb52

  • SHA512

    90afff56069cf39b44d6a6ad7bc92d317716a7e620075762f20915bc74085bf2a3d1be73d98e22df9ccf7400b6418e30b9bd7590d3fa1631fdb8e3932fe1c08d

  • SSDEEP

    6144:vV7th/mkLUNBOjxpYQLfbyuKUG6dda4N4:vpj+kLUnOjxpXLfbgGvP

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.

  • Modifies Installed Components in the registry 2 TTPs 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.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\f22c85988b5f9c2c58d4f0cdd3c5c5d4aa807d196a9e712b8880e46d9586fb52.exe
    "C:\Users\Admin\AppData\Local\Temp\f22c85988b5f9c2c58d4f0cdd3c5c5d4aa807d196a9e712b8880e46d9586fb52.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Users\Admin\AppData\Local\Temp\f22c85988b5f9c2c58d4f0cdd3c5c5d4aa807d196a9e712b8880e46d9586fb52.exe
      "C:\Users\Admin\AppData\Local\Temp\f22c85988b5f9c2c58d4f0cdd3c5c5d4aa807d196a9e712b8880e46d9586fb52.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4672
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/536-23-0x00000000030F0000-0x0000000003100000-memory.dmp

    Filesize

    64KB

  • memory/536-21-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-49-0x0000000001300000-0x0000000001301000-memory.dmp

    Filesize

    4KB

  • memory/536-45-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-43-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-5-0x00000000030C0000-0x00000000030D6000-memory.dmp

    Filesize

    88KB

  • memory/536-10-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-11-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-12-0x0000000001350000-0x0000000001360000-memory.dmp

    Filesize

    64KB

  • memory/536-13-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-14-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-15-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-16-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-17-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-19-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-18-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-24-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-22-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-44-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-41-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-29-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-25-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-27-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-26-0x00000000030F0000-0x0000000003100000-memory.dmp

    Filesize

    64KB

  • memory/536-31-0x0000000001350000-0x0000000001360000-memory.dmp

    Filesize

    64KB

  • memory/536-30-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-33-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-35-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-36-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-37-0x00000000030F0000-0x0000000003100000-memory.dmp

    Filesize

    64KB

  • memory/536-38-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-39-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-40-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/536-42-0x0000000001330000-0x0000000001340000-memory.dmp

    Filesize

    64KB

  • memory/2912-1-0x0000000002840000-0x0000000002940000-memory.dmp

    Filesize

    1024KB

  • memory/2912-2-0x00000000026C0000-0x00000000026C9000-memory.dmp

    Filesize

    36KB

  • memory/4672-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4672-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4672-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB