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Analysis

  • max time kernel
    300s
  • max time network
    187s
  • platform
    windows10-1703_x64
  • resource
    win10-20230831-en
  • resource tags

    arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system
  • submitted
    03/09/2023, 21:56

General

  • Target

    2d90e4d6aabf27b3e3babbb6846ed261f650f885858be57a2def6a5e361071b7.exe

  • Size

    281KB

  • MD5

    4dc922beacbbd78690a084e451fe420e

  • SHA1

    60dad60b5c7302b4e3710178adc3e3733a969feb

  • SHA256

    2d90e4d6aabf27b3e3babbb6846ed261f650f885858be57a2def6a5e361071b7

  • SHA512

    9f794fecd0557ca9aad0eedf6c463620657c64033478fa518e195ddfa0d0ae17c91bf3857e362309ecf8ffba54a74b1107d59b16c75cca686a65987000363a81

  • SSDEEP

    3072:/aD8DiZ7URsbW4FC0iK/qEB21CgE8bNUT51RMPU5Lt0Fyeymx:yP7w3Xk0CgEcNU5fMc54yey

Malware Config

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

smokeloader

Version

2022

C2

http://taibi.at/tmp/

http://01stroy.ru/tmp/

http://mal-net.com/tmp/

http://gromograd.ru/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • 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 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\2d90e4d6aabf27b3e3babbb6846ed261f650f885858be57a2def6a5e361071b7.exe
    "C:\Users\Admin\AppData\Local\Temp\2d90e4d6aabf27b3e3babbb6846ed261f650f885858be57a2def6a5e361071b7.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3212-4-0x0000000000660000-0x0000000000676000-memory.dmp

    Filesize

    88KB

  • memory/4072-0-0x0000000002570000-0x0000000002585000-memory.dmp

    Filesize

    84KB

  • memory/4072-1-0x00000000025A0000-0x00000000025A9000-memory.dmp

    Filesize

    36KB

  • memory/4072-2-0x0000000000400000-0x0000000002435000-memory.dmp

    Filesize

    32.2MB

  • memory/4072-3-0x0000000000400000-0x0000000002435000-memory.dmp

    Filesize

    32.2MB

  • memory/4072-5-0x0000000000400000-0x0000000002435000-memory.dmp

    Filesize

    32.2MB

  • memory/4072-8-0x00000000025A0000-0x00000000025A9000-memory.dmp

    Filesize

    36KB

  • memory/4072-9-0x0000000002570000-0x0000000002585000-memory.dmp

    Filesize

    84KB