Analysis

  • max time kernel
    300s
  • max time network
    292s
  • platform
    windows10-1703_x64
  • resource
    win10-20240214-en
  • resource tags

    arch:x64arch:x86image:win10-20240214-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21-02-2024 04:58

General

  • Target

    9ea6617c365fb501b9df0e3f7d1e1faae075e7f5d6fc6853c344380afc00c961.exe

  • Size

    226KB

  • MD5

    d81520466e20cd92e3e5bb6602608925

  • SHA1

    842af15ea1700297dfbd128193c7f7ea4e319802

  • SHA256

    9ea6617c365fb501b9df0e3f7d1e1faae075e7f5d6fc6853c344380afc00c961

  • SHA512

    fbe6d164985a96b97ad9552a6d319dfe60315e070c904bc2d68157dfaca9823e4e1e17dc3c6adef489b98e3fa160f62c92a6ae0c923866a40f58ea8077a34710

  • SSDEEP

    3072:3gP9UznH2YxJClT6NCPZ53YV7zt0baByhufWUyt8L0j7BrqSV5mK:P7WACl+N6L21Oh3t8L0jN4

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 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\9ea6617c365fb501b9df0e3f7d1e1faae075e7f5d6fc6853c344380afc00c961.exe
    "C:\Users\Admin\AppData\Local\Temp\9ea6617c365fb501b9df0e3f7d1e1faae075e7f5d6fc6853c344380afc00c961.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:292
  • C:\Users\Admin\AppData\Roaming\sfwfwte
    C:\Users\Admin\AppData\Roaming\sfwfwte
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\sfwfwte

    Filesize

    226KB

    MD5

    d81520466e20cd92e3e5bb6602608925

    SHA1

    842af15ea1700297dfbd128193c7f7ea4e319802

    SHA256

    9ea6617c365fb501b9df0e3f7d1e1faae075e7f5d6fc6853c344380afc00c961

    SHA512

    fbe6d164985a96b97ad9552a6d319dfe60315e070c904bc2d68157dfaca9823e4e1e17dc3c6adef489b98e3fa160f62c92a6ae0c923866a40f58ea8077a34710

  • memory/292-1-0x0000000000590000-0x0000000000690000-memory.dmp

    Filesize

    1024KB

  • memory/292-2-0x00000000001F0000-0x00000000001FB000-memory.dmp

    Filesize

    44KB

  • memory/292-3-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/292-5-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3300-4-0x0000000000DF0000-0x0000000000E06000-memory.dmp

    Filesize

    88KB

  • memory/3300-16-0x00000000027D0000-0x00000000027E6000-memory.dmp

    Filesize

    88KB

  • memory/4544-14-0x0000000000550000-0x0000000000650000-memory.dmp

    Filesize

    1024KB

  • memory/4544-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4544-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB