Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 02:04

General

  • Target

    712822a31d730945069ac5689fada349.exe

  • Size

    211KB

  • MD5

    712822a31d730945069ac5689fada349

  • SHA1

    d106bec013dfd2da40e58897bac1848182f1c51d

  • SHA256

    a3cf419287d67f6821cafebaf4f6a366a41034ee10030a8248441c164ec2c4fe

  • SHA512

    42647bf6a416efb4a1106e19cd327db86ca3da4d738697a09e24c8fffb90b65cdec7308ea7f880c9cea0f1e74f7c4049528de5c99d4418835b6ceb4099ef7cf3

  • SSDEEP

    3072:Diqzy65j0ApY2owUuhox755U/L1jEfiBHjCYFwPDs5Afr:i65wlV2ox34LKues6j

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 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: MapViewOfSection 1 IoCs
  • Suspicious use of UnmapMainImage 1 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\712822a31d730945069ac5689fada349.exe
    "C:\Users\Admin\AppData\Local\Temp\712822a31d730945069ac5689fada349.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4932

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\CC4F.tmp

          Filesize

          1.6MB

          MD5

          4f3387277ccbd6d1f21ac5c07fe4ca68

          SHA1

          e16506f662dc92023bf82def1d621497c8ab5890

          SHA256

          767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

          SHA512

          9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

        • memory/3352-8-0x00000000034F0000-0x0000000003505000-memory.dmp

          Filesize

          84KB

        • memory/4932-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp

          Filesize

          1024KB

        • memory/4932-6-0x0000000000400000-0x0000000002C6C000-memory.dmp

          Filesize

          40.4MB

        • memory/4932-7-0x0000000002CF0000-0x0000000002CF9000-memory.dmp

          Filesize

          36KB

        • memory/4932-9-0x0000000000400000-0x0000000002C6C000-memory.dmp

          Filesize

          40.4MB