Analysis

  • max time kernel
    240s
  • max time network
    295s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 02:04

General

  • Target

    сентябрь 2023(570)/018f7e7da2bf6e6cfd768c6ec8c568e0866654bd03eeb1e672d115811741e6ba.exe

  • Size

    246KB

  • MD5

    cdc39c2b9ad647c285c16e734f8a42ab

  • SHA1

    18ea017d22592adce69d7bd9dabca3f3336d3602

  • SHA256

    018f7e7da2bf6e6cfd768c6ec8c568e0866654bd03eeb1e672d115811741e6ba

  • SHA512

    37003ddc3f7ebf119b496b68e526351e62521e08aa916530147ae9f940690b4f89037e45e08bda0e6cbbb98de7b31479be2ccfb45e8c91f78430a80306e8c078

  • SSDEEP

    6144:iF5QP2lHLJIGWj4RjZotIWspGzgu4edgthBuVTtL:iLiUHZWj4R5WsAxsBuBp

Score
10/10

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\сентябрь 2023(570)\018f7e7da2bf6e6cfd768c6ec8c568e0866654bd03eeb1e672d115811741e6ba.exe
    "C:\Users\Admin\AppData\Local\Temp\сентябрь 2023(570)\018f7e7da2bf6e6cfd768c6ec8c568e0866654bd03eeb1e672d115811741e6ba.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\5131.bat" "
      2⤵
        PID:2160

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\5131.bat

      Filesize

      338B

      MD5

      2a6139b7143b634b7f9d941c6bdf2f83

      SHA1

      30122bd8a3244fbdfa4986be0c31d834c43e3d2e

      SHA256

      91544ab70ae8f3899508ab31af23a119b4da22f6a36ffd5d68de4c9b1067bb03

      SHA512

      a69cfcae088dd3b62b2667cecf19c82ff55092d67e9b80a12638cae0cb7bc201dfdd327344777a542ba341347d56755398218ab35fa70131052f48065e4d65b1

    • memory/1788-0-0x00000000001B0000-0x00000000001C5000-memory.dmp

      Filesize

      84KB

    • memory/1788-1-0x0000000000260000-0x0000000000273000-memory.dmp

      Filesize

      76KB

    • memory/1788-2-0x0000000000400000-0x000000000048E000-memory.dmp

      Filesize

      568KB

    • memory/1788-11-0x0000000000400000-0x000000000048E000-memory.dmp

      Filesize

      568KB

    • memory/1788-13-0x00000000001B0000-0x00000000001C5000-memory.dmp

      Filesize

      84KB

    • memory/1788-12-0x0000000000260000-0x0000000000273000-memory.dmp

      Filesize

      76KB