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Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/04/2023, 01:50

General

  • Target

    f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe

  • Size

    213KB

  • MD5

    1799c0e7844853c30dd5172fbb1f3cbb

  • SHA1

    9549f1034d6fe5537f9f440a20da14b6b8b756c4

  • SHA256

    f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74

  • SHA512

    ec1f89d304337180414c5a6d0e9e606735bda1e94e01fed0f0758fe87832e18fea3b1c0c76c038a58b885053606d6a887f4d1df0888c2d67c2944e7bd0377deb

  • SSDEEP

    3072:t1YUdO+XVPqSIun4Cmly1Jf4VKRF0gy1L+5t16G0RDX:rYUQ+kSIOcyzfr4tLK0G0l

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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.

  • 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 12 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\f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe
    "C:\Users\Admin\AppData\Local\Temp\f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe
      "C:\Users\Admin\AppData\Local\Temp\f134d845fc77d17d8c3d25722cfc7bf3941871fdc8dfc1a50a86a6f56e436e74.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1580-134-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1580-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1580-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2372-135-0x0000000000530000-0x0000000000539000-memory.dmp

    Filesize

    36KB

  • memory/3184-137-0x0000000000700000-0x0000000000716000-memory.dmp

    Filesize

    88KB

  • memory/3184-145-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-146-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-147-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-149-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-148-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-150-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-151-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-152-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-153-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-154-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-155-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-156-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-158-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-157-0x0000000006F30000-0x0000000006F40000-memory.dmp

    Filesize

    64KB

  • memory/3184-159-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-160-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-161-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-162-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-163-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-164-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-165-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-166-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-167-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-168-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-169-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-170-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-171-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-173-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-172-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-174-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-175-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-176-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-177-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-178-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-179-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-180-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-181-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-182-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-183-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-184-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-185-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-186-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-187-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-188-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-189-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-190-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-191-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-192-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-193-0x0000000006F20000-0x0000000006F30000-memory.dmp

    Filesize

    64KB

  • memory/3184-194-0x00000000006D0000-0x00000000006D2000-memory.dmp

    Filesize

    8KB

  • memory/3184-195-0x0000000000950000-0x000000000095A000-memory.dmp

    Filesize

    40KB