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
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2023 17:07

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General

  • Target

    file.exe

  • Size

    321KB

  • MD5

    83ccddf047370c144fd9f9c2eb9da25b

  • SHA1

    2f8a24768ca6b12979c6ee70c9d5ff6794c5ccce

  • SHA256

    8bc5da846c3b6da660c017a92eba645de7d6d5bc31bc5b4968143f0cae0f3f76

  • SHA512

    822c56a74ee82abc1e2a4851cc2a8547c8b887fbcf49306380d999b1f9c0bb8e5b4ddb17c3e5bbef93d81956d9f7fcee9c20b0cf54bd294d99f9f8289de8bf18

  • SSDEEP

    6144:CLLFKu0YmXkjC04u2smuWk44n6j8Tf7cuQj9SkaM5:CLpKrX/0pgk4y6w/cljkkD

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Signatures

  • Detects Smokeloader packer 4 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 6 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:4620
    • 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:4296

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/4296-132-0x0000000000000000-mapping.dmp
    Download
  • memory/4296-133-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/4296-136-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/4296-137-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/4620-134-0x00000000006AF000-0x00000000006C5000-memory.dmp
    Filesize

    88KB

    Download
  • memory/4620-135-0x00000000005B0000-0x00000000005B9000-memory.dmp
    Filesize

    36KB

    Download