Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2023, 03:05

General

  • Target

    0x000400000001931d-112.exe

  • Size

    40KB

  • MD5

    c1a2dff2cf2daea49e61c26aabadfbdd

  • SHA1

    1950f541f64fc33968e3ce11029731413c073b6d

  • SHA256

    261740babff0b1d45121abc326907e1393734d12613cc22eda2805efefefbd6d

  • SHA512

    ee2948504ed84e7fa675d6dd3210607c99a62b00cb740f655f7a1dab60c151b184fbec40182c611f364c210d7da73628322385fe80c67ee7a619f43a4a90980d

  • SSDEEP

    384:K9VD6tee+qUOTd2opQTLAdz1SvNmhpdvOjT7PbA6HBiTSnjxZMdP05ldpRMaYIBI:k6Qe+qUv8zcqdvOXA6XkPslJvGaVW

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x000400000001931d-112.exe
    "C:\Users\Admin\AppData\Local\Temp\0x000400000001931d-112.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1684

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/408-134-0x0000000000F40000-0x0000000000F56000-memory.dmp

          Filesize

          88KB

        • memory/1684-133-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/1684-135-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB