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Overview

overview

10

Static

static

3

NEAS.b743e...JC.exe

windows7-x64

10

NEAS.b743e...JC.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    167s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    08/10/2023, 16:28

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General

  • Target

    NEAS.b743e97b67d7c8a8d8363cd63cd0fee42e5b45c2d5f0633479d0a387dbb5e8b0_JC.exe

  • Size

    287KB

  • MD5

    4cd8e260c417673f17f86edd315ff061

  • SHA1

    af5889b3421b09f80a738aa36f627646f6cc2423

  • SHA256

    b743e97b67d7c8a8d8363cd63cd0fee42e5b45c2d5f0633479d0a387dbb5e8b0

  • SHA512

    de2f1795605a12a5950ae6918fae5d831464e9d4d21b58658c47877c7de20cb234dd1c8646ff4d10cdf47ef9e13ecf12341e4ff9d4e1f17fdca9dde2a9374960

  • SSDEEP

    3072:iGcS5tv/qtTBWbgI/Teq+v0fj6meCx9OeqejQ0oVS+/a9:iw5tn6WcuTeqpNF

Score
10/10
smokeloaderpub1backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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.

    trojanbackdoorsmokeloader
  • 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.b743e97b67d7c8a8d8363cd63cd0fee42e5b45c2d5f0633479d0a387dbb5e8b0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.b743e97b67d7c8a8d8363cd63cd0fee42e5b45c2d5f0633479d0a387dbb5e8b0_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Users\Admin\AppData\Local\Temp\NEAS.b743e97b67d7c8a8d8363cd63cd0fee42e5b45c2d5f0633479d0a387dbb5e8b0_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.b743e97b67d7c8a8d8363cd63cd0fee42e5b45c2d5f0633479d0a387dbb5e8b0_JC.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1060-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1060-5-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1060-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1060-8-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1236-7-0x0000000002660000-0x0000000002676000-memory.dmp

    Filesize

    88KB

    Download

  • memory/2260-2-0x0000000002340000-0x0000000002440000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2260-4-0x0000000000220000-0x0000000000229000-memory.dmp

    Filesize

    36KB

    Download