Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    13-03-2023 14:44

General

  • Target

    file.exe

  • Size

    282KB

  • MD5

    96a441e629af87fef767b3052f2724d8

  • SHA1

    4f0e85147262cb36b76342b7b10aa5cb3bc2d11c

  • SHA256

    473c20c1fe520cf1b143342a2f3bec3dbea893ef9c9a8a698bdc25e35ef0a565

  • SHA512

    9d0276ab58d5e17fbf4aa3c55ce4f969f6fe16a437200eeed14a70da76a10017281ddaf381f5fdbaf65fb4cf23f3dac2abf1f6d06af9fa79f71e1648d6c4e931

  • SSDEEP

    3072:ZS1c/CutuLT8KiyxTncZDOts0WohVcO2IyVGhQ1FtTxvn:ZScsLTjSZCXWohH2IyVGhotT

Malware Config

Extracted

Family

smokeloader

Botnet

lab

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1220-59-0x0000000002C30000-0x0000000002C46000-memory.dmp

    Filesize

    88KB

  • memory/1236-57-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

  • memory/1480-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1480-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1480-58-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1480-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB