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Overview

overview

10

Static

static

3

e5c81c38d5...4e.exe

windows7-x64

10

e5c81c38d5...4e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    157s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 11:36

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General

  • Target

    e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe

  • Size

    261KB

  • MD5

    24e3bff785f567b35b1b713d3cbd3ecf

  • SHA1

    1ca640d1af355b2a9d0c38eee921a47423a57353

  • SHA256

    e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e

  • SHA512

    38e9a8620758a8d171533e3ef9fbe9aff14e8b00073732ec8825eb4e79dfd7856d6264096f4590f7ba68962d6409f4aa0d8e79dead70fb0b955d8bd5db6b25ae

  • SSDEEP

    3072:bhngjeDZJPZ2CehfyGSGY762iXQKLgKEb1IAT5cTEx6TOa:jTPZbkyBvCQwgEO6TO

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 WriteProcessMemory 7 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe
    "C:\Users\Admin\AppData\Local\Temp\e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Users\Admin\AppData\Local\Temp\e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe
      "C:\Users\Admin\AppData\Local\Temp\e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1348-7-0x00000000025D0000-0x00000000025E6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/1348-12-0x000007FEF5C80000-0x000007FEF5DC3000-memory.dmp

    Filesize

    1.3MB

    Download

  • memory/1348-13-0x000007FEE8540000-0x000007FEE854A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/1348-17-0x000007FEF5C80000-0x000007FEF5DC3000-memory.dmp

    Filesize

    1.3MB

    Download

  • memory/1636-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1636-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1636-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/1636-8-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2200-0-0x0000000000220000-0x0000000000235000-memory.dmp

    Filesize

    84KB

    Download

  • memory/2200-1-0x0000000000240000-0x0000000000249000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2200-5-0x0000000000220000-0x0000000000235000-memory.dmp

    Filesize

    84KB

    Download