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Overview

overview

10

Static

static

3

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    17/11/2023, 07:08

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General

  • Target

    file.exe

  • Size

    245KB

  • MD5

    fa37dc7a99eb2e6f94c5b84d9db371f9

  • SHA1

    21e66948cae5256a4dd1e6bb9d2394b429e62510

  • SHA256

    6bdfb620003859b5a5318fda333a8950d7d0edf266f297b8e3ae62b6018a07d5

  • SHA512

    de45a2835615265d5978d3a9d93a8ecc4c55a15f66d0727b3465a75d089f90f094c34d39fd4b50631534b90edcc35b74e614737822e6c628fb7d298f8e33d62c

  • SSDEEP

    3072:sqIjfLDcadk0Vrzcd2k5O81JEX1N5imWcB1GaXRtRcfG7eJ21ls/zvl:kjfLQvMIkk0SOXX5fWcvG+RUG4

Score
10/10
smokeloaderpub4backdoortrojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Extracted

Family

smokeloader

Version

2022

C2

http://dpav.cc/tmp/

http://lrproduct.ru/tmp/

http://kggcp.com/tmp/

http://talesofpirates.net/tmp/

http://pirateking.online/tmp/

http://piratia.pw/tmp/

http://go-piratia.ru/tmp/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1736
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {4427F885-DD93-4195-B106-97AD35701337} S-1-5-21-2952504676-3105837840-1406404655-1000:URUOZWGF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Roaming\dvrhehs
      C:\Users\Admin\AppData\Roaming\dvrhehs
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\dvrhehs
    Filesize

    245KB

    MD5

    fa37dc7a99eb2e6f94c5b84d9db371f9

    SHA1

    21e66948cae5256a4dd1e6bb9d2394b429e62510

    SHA256

    6bdfb620003859b5a5318fda333a8950d7d0edf266f297b8e3ae62b6018a07d5

    SHA512

    de45a2835615265d5978d3a9d93a8ecc4c55a15f66d0727b3465a75d089f90f094c34d39fd4b50631534b90edcc35b74e614737822e6c628fb7d298f8e33d62c

    Download Submit

  • C:\Users\Admin\AppData\Roaming\dvrhehs
    Filesize

    245KB

    MD5

    fa37dc7a99eb2e6f94c5b84d9db371f9

    SHA1

    21e66948cae5256a4dd1e6bb9d2394b429e62510

    SHA256

    6bdfb620003859b5a5318fda333a8950d7d0edf266f297b8e3ae62b6018a07d5

    SHA512

    de45a2835615265d5978d3a9d93a8ecc4c55a15f66d0727b3465a75d089f90f094c34d39fd4b50631534b90edcc35b74e614737822e6c628fb7d298f8e33d62c

    Download Submit

  • memory/1240-4-0x00000000029D0000-0x00000000029E6000-memory.dmp

    Filesize

    88KB

    Download

  • memory/1240-16-0x0000000002A70000-0x0000000002A86000-memory.dmp

    Filesize

    88KB

    Download

  • memory/1736-3-0x0000000000400000-0x00000000004F0000-memory.dmp

    Filesize

    960KB

    Download

  • memory/1736-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

    Download

  • memory/1736-1-0x0000000000670000-0x0000000000770000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/1736-5-0x0000000000400000-0x00000000004F0000-memory.dmp

    Filesize

    960KB

    Download

  • memory/2956-14-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2956-15-0x0000000000400000-0x00000000004F0000-memory.dmp

    Filesize

    960KB

    Download

  • memory/2956-17-0x0000000000400000-0x00000000004F0000-memory.dmp

    Filesize

    960KB

    Download