Analysis

  • max time kernel
    300s
  • max time network
    253s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22/09/2023, 04:16

General

  • Target

    5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489.exe

  • Size

    294KB

  • MD5

    ba46aac85484a5e446516a53359ef71d

  • SHA1

    fc487c46fb047de9a8d0c7433c11d97703f81704

  • SHA256

    5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489

  • SHA512

    924d02a9a757129858ee1d8300f30d1d824ee254192d2f0e69a7aaaff025d905c3603caf8d8254f184f58871b3860a3fb93340d4d5b544d91304f21807160bad

  • SSDEEP

    3072:qKCXgprSm/dJnNxj1bWTClwsG69KwO864vy+MP+udjuyg87dB:DCgBS2fxB+C9jKwO864vy+i+utxg8Z

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
  • 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: GetForegroundWindowSpam 1 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\5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489.exe
    "C:\Users\Admin\AppData\Local\Temp\5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1232
  • C:\Users\Admin\AppData\Roaming\eghfuur
    C:\Users\Admin\AppData\Roaming\eghfuur
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:5080

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          294KB

          MD5

          ba46aac85484a5e446516a53359ef71d

          SHA1

          fc487c46fb047de9a8d0c7433c11d97703f81704

          SHA256

          5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489

          SHA512

          924d02a9a757129858ee1d8300f30d1d824ee254192d2f0e69a7aaaff025d905c3603caf8d8254f184f58871b3860a3fb93340d4d5b544d91304f21807160bad

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

          Filesize

          294KB

          MD5

          ba46aac85484a5e446516a53359ef71d

          SHA1

          fc487c46fb047de9a8d0c7433c11d97703f81704

          SHA256

          5454718e78b8dedd6d00cdb377fce6541d6456ea690f7e9fa64cc37ecdaa2489

          SHA512

          924d02a9a757129858ee1d8300f30d1d824ee254192d2f0e69a7aaaff025d905c3603caf8d8254f184f58871b3860a3fb93340d4d5b544d91304f21807160bad

        • memory/1232-1-0x00000000009E0000-0x0000000000AE0000-memory.dmp

          Filesize

          1024KB

        • memory/1232-2-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/1232-3-0x0000000000850000-0x0000000000859000-memory.dmp

          Filesize

          36KB

        • memory/1232-5-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/3288-4-0x0000000001340000-0x0000000001356000-memory.dmp

          Filesize

          88KB

        • memory/3288-16-0x0000000003240000-0x0000000003256000-memory.dmp

          Filesize

          88KB

        • memory/5080-14-0x0000000000910000-0x0000000000A10000-memory.dmp

          Filesize

          1024KB

        • memory/5080-15-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/5080-17-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB