Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2023, 12:53

General

  • Target

    1ddb92511512577c55ed3e292a706068ffd306b72d3b44c7966efe84e6eec5c1.exe

  • Size

    288KB

  • MD5

    1da65243dd906d693017774e88d2597a

  • SHA1

    bad76b14e9e033849731920cdacaf5d15cc63f39

  • SHA256

    1ddb92511512577c55ed3e292a706068ffd306b72d3b44c7966efe84e6eec5c1

  • SHA512

    6b285e22afd2fdd32f70767f8fa2ef5d12579cdc4a58794b16fdebd56f46b741da3ed265ee00e97725411fd19e0a0afde6822f43b2d790443423f52639664e78

  • SSDEEP

    3072:nUP3Qj4dnT9oNy88HF/y+AGDiahQd8nRAys7SV76RGeeBGXNol6:499T184cGD32YDyA75KNol

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

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 8 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\1ddb92511512577c55ed3e292a706068ffd306b72d3b44c7966efe84e6eec5c1.exe
    "C:\Users\Admin\AppData\Local\Temp\1ddb92511512577c55ed3e292a706068ffd306b72d3b44c7966efe84e6eec5c1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Users\Admin\AppData\Local\Temp\1ddb92511512577c55ed3e292a706068ffd306b72d3b44c7966efe84e6eec5c1.exe
      "C:\Users\Admin\AppData\Local\Temp\1ddb92511512577c55ed3e292a706068ffd306b72d3b44c7966efe84e6eec5c1.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2404-135-0x00000000001F0000-0x00000000001F9000-memory.dmp

    Filesize

    36KB

  • memory/3184-157-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-159-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-137-0x00000000025E0000-0x00000000025F6000-memory.dmp

    Filesize

    88KB

  • memory/3184-177-0x0000000002830000-0x0000000002832000-memory.dmp

    Filesize

    8KB

  • memory/3184-144-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-145-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-146-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-147-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-148-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-160-0x00000000076F0000-0x0000000007700000-memory.dmp

    Filesize

    64KB

  • memory/3184-150-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-151-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-152-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-153-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-154-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-155-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-156-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-176-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-175-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-158-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-149-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-161-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-162-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-163-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-164-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-165-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-166-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-167-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-168-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-169-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-170-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-171-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-172-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-173-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/3184-174-0x0000000002820000-0x0000000002830000-memory.dmp

    Filesize

    64KB

  • memory/4728-136-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4728-134-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4728-138-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB