Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2023 15:17

General

  • Target

    NEAS.1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241exe_JC.exe

  • Size

    285KB

  • MD5

    a3f79eb1a1d6f61a9ce524513ceaae63

  • SHA1

    1157c7d4e170ebc549e8d52733adb5aefcceffb3

  • SHA256

    1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241

  • SHA512

    f57bfe2e7c0b7265320eccf97c93f2f91c7f93bbb9a606f03e35e112b8a59bbce835dbc0ef67b683381292867753094c71e57b00fc7a774e75304e989110fc57

  • SSDEEP

    3072:LcSCDtSVcKBWuqcDcwMiPw3TSiI7yQ6UE81NtAuAl/a9:zCkTWJecwLKTSiI7yQ6UEGfAx

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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.

  • 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 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\NEAS.1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.1e4c1bfa0a79b28e68a8046f8fe97d8a97f9376ff985b92a2353c1d141cfd241exe_JC.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3116-4-0x00000000027D0000-0x00000000027E6000-memory.dmp

    Filesize

    88KB

  • memory/4008-1-0x00000000022A0000-0x00000000023A0000-memory.dmp

    Filesize

    1024KB

  • memory/4008-2-0x0000000003FD0000-0x0000000003FD9000-memory.dmp

    Filesize

    36KB

  • memory/4008-3-0x0000000000400000-0x0000000002284000-memory.dmp

    Filesize

    30.5MB

  • memory/4008-5-0x0000000000400000-0x0000000002284000-memory.dmp

    Filesize

    30.5MB

  • memory/4008-8-0x0000000003FD0000-0x0000000003FD9000-memory.dmp

    Filesize

    36KB