Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 14:46

General

  • Target

    39f93bf9c8075a8fdf1e55593313db8dff9e2c234edc5b2854da91e83fa06657.exe

  • Size

    228KB

  • MD5

    6dd21638dac079e394096b1b018d5638

  • SHA1

    b57f820d6bda6109f67155a5636965b034fd96d2

  • SHA256

    39f93bf9c8075a8fdf1e55593313db8dff9e2c234edc5b2854da91e83fa06657

  • SHA512

    9b9d808236d9c432b9c9d87e5812daa99b3d0cf31c34da8477713dd575b5f0b9a05b362e367f530815a1e1a10789ae1aa93f9759e42fe309eea7f05b9a5e0d27

  • SSDEEP

    3072:Ar9ft1WgkACOZVw+UmB4dlXny76VrY4TKQHBAgzVLK0ImGTXuVnuBZ40Uda:AEdtKyVHRxBBYDmeuRCZ40

Malware Config

Extracted

Family

smokeloader

Botnet

rbrn

Extracted

Family

smokeloader

Version

2022

C2

http://stayherefata4l.org/index.php

http://masduh38sjdai.org/index.php

http://omfghellobrosjda38.org/index.php

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: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39f93bf9c8075a8fdf1e55593313db8dff9e2c234edc5b2854da91e83fa06657.exe
    "C:\Users\Admin\AppData\Local\Temp\39f93bf9c8075a8fdf1e55593313db8dff9e2c234edc5b2854da91e83fa06657.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2476

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1116-4-0x0000000002DA0000-0x0000000002DB6000-memory.dmp
    Filesize

    88KB

  • memory/2476-1-0x0000000000570000-0x0000000000670000-memory.dmp
    Filesize

    1024KB

  • memory/2476-3-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2476-2-0x0000000000220000-0x000000000022B000-memory.dmp
    Filesize

    44KB

  • memory/2476-6-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/2476-5-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB