Analysis

  • max time kernel
    300s
  • max time network
    263s
  • platform
    windows10-1703_x64
  • resource
    win10-20230831-en
  • resource tags

    arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22/09/2023, 04:16

General

  • Target

    40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe

  • Size

    294KB

  • MD5

    a2d237a8dcda5047bb9e612825ebc499

  • SHA1

    d4f6d2707f5fc415ec85dcea2b318e1c3d97209c

  • SHA256

    40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65

  • SHA512

    8e789640a564baa078db349483844acc6f8004d1338bf61c643a9f48a358e75b382b98f991b95901a9a29cf0075962ee312bab8f26492dddd8c183d37d160f14

  • SSDEEP

    6144:ckdkZSl4JZNfVgQl6B0zTxjq7imHvFg8F:ckdkIOJZNfNl6GzTSPe8

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://gudintas.at/tmp/

http://pik96.ru/tmp/

http://rosatiauto.com/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 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 2 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\40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe
    "C:\Users\Admin\AppData\Local\Temp\40c624a1492477b0ed0e5c704447d95f728dfe41b7e857cd1c5018e8d3b3df65.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:5080

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3184-4-0x0000000002730000-0x0000000002746000-memory.dmp

          Filesize

          88KB

        • memory/5080-1-0x0000000000920000-0x0000000000A20000-memory.dmp

          Filesize

          1024KB

        • memory/5080-2-0x0000000000400000-0x0000000000718000-memory.dmp

          Filesize

          3.1MB

        • memory/5080-3-0x0000000000860000-0x0000000000869000-memory.dmp

          Filesize

          36KB

        • memory/5080-5-0x0000000000400000-0x0000000000718000-memory.dmp

          Filesize

          3.1MB