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Analysis

  • max time kernel
    69s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    12/09/2022, 13:13

General

  • Target

    cd101d3d19d5e797d9a151c9c4dd1db497f8e4ec680a7fb99a69b6af36634445.exe

  • Size

    1.2MB

  • MD5

    9525bd775591fc765660eeb64002741f

  • SHA1

    0cb836092ba969107916c7445c790876a61912a6

  • SHA256

    cd101d3d19d5e797d9a151c9c4dd1db497f8e4ec680a7fb99a69b6af36634445

  • SHA512

    4ecea438e61f1b5decde0218ccf38146fadbda35531fe8b79ddd5cd47014d185cff8c6d94e6f4e1aaa7478d12c20b2c9d392ccbfa642be97c1b272003bb3df10

  • SSDEEP

    24576:C5nVyP/M6tQ5Cr0qwvNIQFQdS6vK2NqM4:IVA/TtQclwvNICQpvK2NqF

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5450700540:AAEJyEEV8BKgYUKmnCPZxp19kD9GVSRup5M/sendMessage?chat_id=5422342474

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd101d3d19d5e797d9a151c9c4dd1db497f8e4ec680a7fb99a69b6af36634445.exe
    "C:\Users\Admin\AppData\Local\Temp\cd101d3d19d5e797d9a151c9c4dd1db497f8e4ec680a7fb99a69b6af36634445.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:536
    • C:\Users\Admin\AppData\Local\Temp\cd101d3d19d5e797d9a151c9c4dd1db497f8e4ec680a7fb99a69b6af36634445.exe
      "C:\Users\Admin\AppData\Local\Temp\cd101d3d19d5e797d9a151c9c4dd1db497f8e4ec680a7fb99a69b6af36634445.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        3⤵
        • Accesses Microsoft Outlook profiles
        • outlook_office_path
        • outlook_win_path
        PID:1472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/536-54-0x00000000011A0000-0x00000000012DA000-memory.dmp

    Filesize

    1.2MB

  • memory/536-55-0x0000000076831000-0x0000000076833000-memory.dmp

    Filesize

    8KB

  • memory/536-56-0x0000000000A30000-0x0000000000A4A000-memory.dmp

    Filesize

    104KB

  • memory/536-57-0x0000000000A50000-0x0000000000A5C000-memory.dmp

    Filesize

    48KB

  • memory/536-58-0x00000000058E0000-0x00000000059AC000-memory.dmp

    Filesize

    816KB

  • memory/536-59-0x00000000059B0000-0x0000000005A26000-memory.dmp

    Filesize

    472KB

  • memory/1472-78-0x0000000000090000-0x00000000000F6000-memory.dmp

    Filesize

    408KB

  • memory/1472-82-0x0000000004680000-0x000000000473C000-memory.dmp

    Filesize

    752KB

  • memory/1472-80-0x0000000000090000-0x00000000000F6000-memory.dmp

    Filesize

    408KB

  • memory/1472-74-0x0000000000090000-0x00000000000F6000-memory.dmp

    Filesize

    408KB

  • memory/1472-72-0x0000000000090000-0x00000000000F6000-memory.dmp

    Filesize

    408KB

  • memory/2012-68-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2012-75-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2012-60-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2012-61-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2012-65-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2012-63-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/2012-83-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB