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
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2023 00:09

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General

  • Target

    file.exe

  • Size

    298KB

  • MD5

    bf0dfde86387701ca7f2d0f588f45a67

  • SHA1

    b1f7c5849a945d0c8e75e6bfd8b2c05a2571819d

  • SHA256

    c2121e45bca3f193881080e9319f1f462217ccb8c3aeb05de6c9a2bf85c2cc43

  • SHA512

    75aea76728e589c15f2458564b970650bb6767ad6ac5724dcf9d6be43de43e642fcdcde2d87a294be82ac6798acddc4c6723e8180ddf2f0684f759c2bbdebf3b

  • SSDEEP

    6144:CWyuEL5Q8Hr/1thY8S5vuPRkluQj9RLy4a3:Czflrb1thBYeR4ljPLZ

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:1248
    • 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:968

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/968-55-0x0000000000402DD8-mapping.dmp
    Download
  • memory/968-54-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/968-57-0x0000000075351000-0x0000000075353000-memory.dmp
    Filesize

    8KB

    Download
  • memory/968-59-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/968-60-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1248-56-0x000000000059C000-0x00000000005B1000-memory.dmp
    Filesize

    84KB

    Download
  • memory/1248-58-0x0000000000220000-0x0000000000229000-memory.dmp
    Filesize

    36KB

    Download