Overview

overview

10

Static

static

1

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06-02-2023 16:24

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General

  • Target

    file.exe

  • Size

    321KB

  • MD5

    283ca6b9729a764872c84df0203e87f2

  • SHA1

    e45f93053ee0d1d58caca373a0701f2ad7e04485

  • SHA256

    b1174532d2b70144c1f9a18b4bfb2fe33e27cfe75608508ce1ddde0ecad51508

  • SHA512

    f5ca0cab39ec5ea66e4640347e425daf2636efafbb2c66819c221711be7fd47302e06eae665343dbb0de02196a99d41108580b37e45340024ec2188d21c3cecc

  • SSDEEP

    6144:G5Lrgy0YVu5/A1s/4o6fd8m2guQj9w4JgPaMc:G5PgYuG2AoSd8Slj6Ta

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Signatures

  • Detects Smokeloader packer 5 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • 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:1876
    • 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:1496

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1248-61-0x000007FEF5BD0000-0x000007FEF5D13000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/1248-62-0x000007FF43EB0000-0x000007FF43EBA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1496-54-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1496-55-0x0000000000402DD8-mapping.dmp
    Download
  • memory/1496-57-0x00000000757E1000-0x00000000757E3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1496-59-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1496-60-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1876-58-0x00000000001B0000-0x00000000001B9000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1876-56-0x000000000028C000-0x00000000002A1000-memory.dmp
    Filesize

    84KB

    Download