Resubmissions

09-04-2024 12:36

240409-psyg6afa72 10

09-04-2024 12:36

240409-psxwmaad2s 10

09-04-2024 12:36

240409-psw94afa69 10

09-04-2024 12:36

240409-pswnkaac9z 10

29-02-2024 04:55

240229-fkfspsdh3x 10

Analysis

  • max time kernel
    1200s
  • max time network
    838s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-04-2024 12:36

General

  • Target

    6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe

  • Size

    162KB

  • MD5

    5cddaacf9782c030db128e3ebfd8f301

  • SHA1

    71bae291b66ecfad6ee79ab150c9b4bdc676f06c

  • SHA256

    6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23

  • SHA512

    bee3cbdeac5a317f58ebb2d621740f8b7e81e47db236327cb0e908bc49886e320e30a95191470953177740f702adfe704a626325ddd2a33f10c8ec3060059797

  • SSDEEP

    3072:pR3aImWaDnBilDV8X+Ld1VVuLtKsQfk1RoGJS4dNVEv:pIbWaDBilDVNLdJBsQfk77X

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://selebration17io.io/index.php

http://vacantion18ffeu.cc/index.php

http://valarioulinity1.net/index.php

http://buriatiarutuhuob.net/index.php

http://cassiosssionunu.me/index.php

http://sulugilioiu19.net/index.php

http://goodfooggooftool.net/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 9 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 8 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\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe
    "C:\Users\Admin\AppData\Local\Temp\6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2152
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {CD8F87B2-6F74-404F-85D1-41E939DA1ECE} S-1-5-21-1658372521-4246568289-2509113762-1000:PIRBKNPS\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Roaming\jerjtgh
      C:\Users\Admin\AppData\Roaming\jerjtgh
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:320
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {A79E10C1-586F-41E0-9A10-03A7DA09373D} S-1-5-21-1658372521-4246568289-2509113762-1000:PIRBKNPS\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Roaming\jerjtgh
      C:\Users\Admin\AppData\Roaming\jerjtgh
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    162KB

    MD5

    5cddaacf9782c030db128e3ebfd8f301

    SHA1

    71bae291b66ecfad6ee79ab150c9b4bdc676f06c

    SHA256

    6d533c8a98cee42c8f797a0b982a0be0da8d7503da8c42e8da10a88bfee9bf23

    SHA512

    bee3cbdeac5a317f58ebb2d621740f8b7e81e47db236327cb0e908bc49886e320e30a95191470953177740f702adfe704a626325ddd2a33f10c8ec3060059797

  • memory/320-17-0x0000000000400000-0x00000000022D1000-memory.dmp

    Filesize

    30.8MB

  • memory/320-14-0x0000000002740000-0x0000000002840000-memory.dmp

    Filesize

    1024KB

  • memory/320-15-0x0000000000400000-0x00000000022D1000-memory.dmp

    Filesize

    30.8MB

  • memory/1256-4-0x0000000002A90000-0x0000000002AA6000-memory.dmp

    Filesize

    88KB

  • memory/1256-16-0x0000000002930000-0x0000000002946000-memory.dmp

    Filesize

    88KB

  • memory/1256-25-0x0000000002960000-0x0000000002976000-memory.dmp

    Filesize

    88KB

  • memory/2152-3-0x0000000000400000-0x00000000022D1000-memory.dmp

    Filesize

    30.8MB

  • memory/2152-5-0x0000000000400000-0x00000000022D1000-memory.dmp

    Filesize

    30.8MB

  • memory/2152-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB

  • memory/2152-1-0x0000000000250000-0x0000000000350000-memory.dmp

    Filesize

    1024KB

  • memory/3008-23-0x0000000002370000-0x0000000002470000-memory.dmp

    Filesize

    1024KB

  • memory/3008-24-0x0000000000400000-0x00000000022D1000-memory.dmp

    Filesize

    30.8MB

  • memory/3008-28-0x0000000000400000-0x00000000022D1000-memory.dmp

    Filesize

    30.8MB