Resubmissions

09-04-2024 13:56

240409-q8381sgg93 10

09-04-2024 13:56

240409-q83mgsgg92 10

09-04-2024 13:56

240409-q821yscb4v 10

09-04-2024 13:56

240409-q82p7acb4t 10

02-12-2023 09:25

231202-ldsftabd36 10

Analysis

  • max time kernel
    627s
  • max time network
    865s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09-04-2024 13:56

General

  • Target

    b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe

  • Size

    306KB

  • MD5

    39984dd8a5e8246ce321592c274114fd

  • SHA1

    7a80fcdffbc624c54b4df3beaa9a3d1d108c7943

  • SHA256

    b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a

  • SHA512

    3c9c30a1c0d1799b91d9feacc3868732dca0bc2e38abf988eb3d8b42f406133d087af3f7da4e2d6ba825df10a64157349feecf99b8f656de41b4f051e67b4c4e

  • SSDEEP

    3072:ZEbn4NJpfmROpECfWYS1hiwAhvJtPOSm9Zh5eAIUUXdZ315U:GcNJpfmmHCiw6vYZKAI7NhM

Malware Config

Extracted

Family

smokeloader

Botnet

pu10

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
    "C:\Users\Admin\AppData\Local\Temp\b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Local\Temp\b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe
      "C:\Users\Admin\AppData\Local\Temp\b7e1e34df8d8f63cad1d66970746631001c34f2bad3f86e3a517e5ebdfdd6b3a.exe"
      2⤵
      • Checks SCSI registry key(s)
      PID:4396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2940-1-0x0000000002C80000-0x0000000002D80000-memory.dmp

    Filesize

    1024KB

  • memory/2940-2-0x0000000002C10000-0x0000000002C19000-memory.dmp

    Filesize

    36KB

  • memory/4396-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4396-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4396-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB