Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    17-02-2024 04:46

General

  • Target

    c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe

  • Size

    211KB

  • MD5

    28c17350f0da6941f68bbea0eb5af380

  • SHA1

    42d3ea0b53b6f76b729a9cef45341fae29933d88

  • SHA256

    c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b

  • SHA512

    b1bd4d2d1787575b7d5155926aa248203b317f33e13eb237ecb1d33353c3146e6ed67da239f0e96ff98adf8aa7309e6f37f666107176bb6461621d7287fb750f

  • SSDEEP

    3072:BIVw4zCuQGezasu4/2z6EuQ/yu0ZsBMRpSQDB8mm3CmO:BIm4GudBsukQ5o8NR

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

4.14

C2

http://anfesq.com

http://cbinr.com

http://rimakc.ru

Attributes
  • install_dir

    68fd3d7ade

  • install_file

    Utsysc.exe

  • strings_key

    27ec7fd6f50f63b8af0c1d3deefcc8fe

  • url_paths

    /forum/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Program crash 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe
    "C:\Users\Admin\AppData\Local\Temp\c40fe915433c1a8094a858affe62c6079154c668645f8e17751e7f39ebf4d31b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2044
  • C:\Users\Admin\AppData\Local\Temp\E560.exe
    C:\Users\Admin\AppData\Local\Temp\E560.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 256
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\E560.exe

    Filesize

    361KB

    MD5

    b6c1df2e721d3088438c06671de3127a

    SHA1

    2a95143e66673841dc6338bf1f09d9aceedc1bf5

    SHA256

    5bc9960a7aca2d039602f7d6a4828ae277665396974dd1227e414c1dc3f2cb69

    SHA512

    602df6897a406fee67957246096f6820e4a79fb8511f644e94ef17c30cb3bfbb124998849145997d10a841c95d409c349c5c81f66c0c73c277c07137ce0d2a4a

  • memory/1180-4-0x0000000002AA0000-0x0000000002AB6000-memory.dmp

    Filesize

    88KB

  • memory/2044-1-0x0000000002C60000-0x0000000002D60000-memory.dmp

    Filesize

    1024KB

  • memory/2044-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/2044-3-0x0000000000400000-0x0000000002BE0000-memory.dmp

    Filesize

    39.9MB

  • memory/2044-5-0x0000000000400000-0x0000000002BE0000-memory.dmp

    Filesize

    39.9MB

  • memory/2092-18-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2092-19-0x0000000000850000-0x00000000008BF000-memory.dmp

    Filesize

    444KB

  • memory/2092-20-0x0000000000400000-0x0000000000850000-memory.dmp

    Filesize

    4.3MB

  • memory/2092-26-0x0000000000400000-0x0000000000850000-memory.dmp

    Filesize

    4.3MB

  • memory/2092-28-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB