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Overview

overview

10

Static

static

3

JC_940fd00...af.exe

windows7-x64

10

JC_940fd00...af.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/09/2023, 18:10

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General

  • Target

    JC_940fd00775d529943dbe7b2bc085f4b04ffd87e69b77b8725932418c272237af.exe

  • Size

    215KB

  • MD5

    fc202464bc132aa56316b7a9657e69cc

  • SHA1

    6ac887f15aaa8921fa81d998be2e0e7199ace88d

  • SHA256

    940fd00775d529943dbe7b2bc085f4b04ffd87e69b77b8725932418c272237af

  • SHA512

    3ff86d86033e78113c830f0cf3471ad7a55e4a5c849e6f675790402c059acd93ca2a62059479aadf41047e4bb38410826c5ec5bd1e47d165e6dfbea0d29a7d83

  • SSDEEP

    3072:f9AXvYaj9eLa3PK+167ffubzbSHwSUlOeKAxCMW+jtJ05T6sTtel:OvYU9eLwi+16rfEzeQlOeKLMJju6sT4

Score
10/10
smokeloaderup4backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

up4

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-file0.com/

http://file-file-file1.com/
rc4.i32
rc4.i32

Signatures

  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 6 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\JC_940fd00775d529943dbe7b2bc085f4b04ffd87e69b77b8725932418c272237af.exe
    "C:\Users\Admin\AppData\Local\Temp\JC_940fd00775d529943dbe7b2bc085f4b04ffd87e69b77b8725932418c272237af.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Users\Admin\AppData\Local\Temp\JC_940fd00775d529943dbe7b2bc085f4b04ffd87e69b77b8725932418c272237af.exe
      "C:\Users\Admin\AppData\Local\Temp\JC_940fd00775d529943dbe7b2bc085f4b04ffd87e69b77b8725932418c272237af.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/824-0-0x0000000000630000-0x0000000000645000-memory.dmp

    Filesize

    84KB

    Download

  • memory/824-1-0x00000000001C0000-0x00000000001C9000-memory.dmp

    Filesize

    36KB

    Download

  • memory/824-4-0x0000000000630000-0x0000000000645000-memory.dmp

    Filesize

    84KB

    Download

  • memory/3180-5-0x00000000011C0000-0x00000000011D6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4060-2-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4060-3-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/4060-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download