Analysis

  • max time kernel
    151s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    26-01-2022 11:23

General

  • Target

    70247804d35356f7cefcf01ba780e79fb8d64e293265c0974ece87bfd3fecb9c.exe

  • Size

    334KB

  • MD5

    8040bd5a14b694d8765bc1b759c27f73

  • SHA1

    4fc299fd62806c82cc7350dc086f92a83c4d0e4e

  • SHA256

    70247804d35356f7cefcf01ba780e79fb8d64e293265c0974ece87bfd3fecb9c

  • SHA512

    ad62742a4380fc19bdd4818451d00bfb66e65fc8eac020d5e5cda995943fc6ac08fb6096e3f8b281e92a7c1ab23e31678748f5235c5ab4979740da35eb0eb251

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70247804d35356f7cefcf01ba780e79fb8d64e293265c0974ece87bfd3fecb9c.exe
    "C:\Users\Admin\AppData\Local\Temp\70247804d35356f7cefcf01ba780e79fb8d64e293265c0974ece87bfd3fecb9c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Users\Admin\AppData\Local\Temp\70247804d35356f7cefcf01ba780e79fb8d64e293265c0974ece87bfd3fecb9c.exe
      "C:\Users\Admin\AppData\Local\Temp\70247804d35356f7cefcf01ba780e79fb8d64e293265c0974ece87bfd3fecb9c.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1364-117-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1364-118-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2648-119-0x0000000000B40000-0x0000000000B56000-memory.dmp

    Filesize

    88KB

  • memory/3436-116-0x0000000000610000-0x0000000000619000-memory.dmp

    Filesize

    36KB