Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2023 04:48

General

  • Target

    SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.22433.exe

  • Size

    267KB

  • MD5

    24dbebd26b029b6304bed121b5af43c4

  • SHA1

    6657d33ab6958b155c67cc12d55647b1b0bc28ad

  • SHA256

    9e7c8aea93412acc8d8de3a956e8485a86caf40c626b2abd491bd5404df1bfbb

  • SHA512

    470559b9db03a1b3c10a6e91a1e03c6b15979a3d754c9f2a5684a06e87a9722bd7929872fa8cb15b8c5f183fead77272e57966095b493a1b608e93130db4ddf8

  • SSDEEP

    3072:QXUMeUgFUvuQ+qOsW8gPwI0eNcCOdvriM5vVos1lRLootRbrNpm:OUMeAvuQ+qOsWttcpRriMMIS

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 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\SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.22433.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.Kryptik.KMY.gen.Eldorado.22433.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4148
  • C:\Users\Admin\AppData\Roaming\vdusgbd
    C:\Users\Admin\AppData\Roaming\vdusgbd
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    267KB

    MD5

    24dbebd26b029b6304bed121b5af43c4

    SHA1

    6657d33ab6958b155c67cc12d55647b1b0bc28ad

    SHA256

    9e7c8aea93412acc8d8de3a956e8485a86caf40c626b2abd491bd5404df1bfbb

    SHA512

    470559b9db03a1b3c10a6e91a1e03c6b15979a3d754c9f2a5684a06e87a9722bd7929872fa8cb15b8c5f183fead77272e57966095b493a1b608e93130db4ddf8

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

    Filesize

    267KB

    MD5

    24dbebd26b029b6304bed121b5af43c4

    SHA1

    6657d33ab6958b155c67cc12d55647b1b0bc28ad

    SHA256

    9e7c8aea93412acc8d8de3a956e8485a86caf40c626b2abd491bd5404df1bfbb

    SHA512

    470559b9db03a1b3c10a6e91a1e03c6b15979a3d754c9f2a5684a06e87a9722bd7929872fa8cb15b8c5f183fead77272e57966095b493a1b608e93130db4ddf8

  • memory/2440-21-0x0000000000400000-0x0000000000711000-memory.dmp

    Filesize

    3.1MB

  • memory/2440-17-0x0000000000400000-0x0000000000711000-memory.dmp

    Filesize

    3.1MB

  • memory/2440-16-0x0000000000910000-0x0000000000A10000-memory.dmp

    Filesize

    1024KB

  • memory/3096-18-0x0000000002D60000-0x0000000002D76000-memory.dmp

    Filesize

    88KB

  • memory/3096-5-0x0000000000E30000-0x0000000000E46000-memory.dmp

    Filesize

    88KB

  • memory/4148-4-0x0000000000400000-0x0000000000711000-memory.dmp

    Filesize

    3.1MB

  • memory/4148-9-0x00000000009C0000-0x00000000009C9000-memory.dmp

    Filesize

    36KB

  • memory/4148-6-0x0000000000400000-0x0000000000711000-memory.dmp

    Filesize

    3.1MB

  • memory/4148-1-0x0000000000A50000-0x0000000000B50000-memory.dmp

    Filesize

    1024KB

  • memory/4148-3-0x0000000000400000-0x0000000000711000-memory.dmp

    Filesize

    3.1MB

  • memory/4148-2-0x00000000009C0000-0x00000000009C9000-memory.dmp

    Filesize

    36KB