Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-04-2024 13:07

General

  • Target

    fd602cbf605a4f9baffac0737c13291635ad0019567db051809d5bf8823dce5b.exe

  • Size

    223KB

  • MD5

    516547ec4cca7f8038998b6f3c9d95b2

  • SHA1

    41dbc19f9f6ce4279bfbef5e05ae7acb28771f8c

  • SHA256

    fd602cbf605a4f9baffac0737c13291635ad0019567db051809d5bf8823dce5b

  • SHA512

    4a651372fe7d9e29ac20ce6da21985bd2b48d7d96f72e4421ad0046ab65571a4e94df3fa5be01532e48e57a1316783f0e07578c58b29e7a791f7c38e1e0bc844

  • SSDEEP

    3072:nRgqc0TaB1K9OXUr/EtJklTVPuAuqmNDghM/Aqe2+V6eC2OiH:nDc0T81K9YUBVPSj83qZ+V64

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

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: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd602cbf605a4f9baffac0737c13291635ad0019567db051809d5bf8823dce5b.exe
    "C:\Users\Admin\AppData\Local\Temp\fd602cbf605a4f9baffac0737c13291635ad0019567db051809d5bf8823dce5b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2212
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {74CBAD1E-C49A-48CC-83A6-A819C5F5B44C} S-1-5-21-406356229-2805545415-1236085040-1000:IKJSPGIM\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Users\Admin\AppData\Roaming\dchfvde
      C:\Users\Admin\AppData\Roaming\dchfvde
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    223KB

    MD5

    516547ec4cca7f8038998b6f3c9d95b2

    SHA1

    41dbc19f9f6ce4279bfbef5e05ae7acb28771f8c

    SHA256

    fd602cbf605a4f9baffac0737c13291635ad0019567db051809d5bf8823dce5b

    SHA512

    4a651372fe7d9e29ac20ce6da21985bd2b48d7d96f72e4421ad0046ab65571a4e94df3fa5be01532e48e57a1316783f0e07578c58b29e7a791f7c38e1e0bc844

  • memory/1288-4-0x0000000002200000-0x0000000002216000-memory.dmp

    Filesize

    88KB

  • memory/1288-17-0x0000000002B90000-0x0000000002BA6000-memory.dmp

    Filesize

    88KB

  • memory/1564-15-0x0000000000980000-0x0000000000A80000-memory.dmp

    Filesize

    1024KB

  • memory/1564-16-0x0000000000400000-0x000000000053C000-memory.dmp

    Filesize

    1.2MB

  • memory/1564-18-0x0000000000400000-0x000000000053C000-memory.dmp

    Filesize

    1.2MB

  • memory/2212-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/2212-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB

  • memory/2212-3-0x0000000000400000-0x000000000053C000-memory.dmp

    Filesize

    1.2MB

  • memory/2212-5-0x0000000000400000-0x000000000053C000-memory.dmp

    Filesize

    1.2MB

  • memory/2212-8-0x00000000001B0000-0x00000000001BB000-memory.dmp

    Filesize

    44KB