Analysis

  • max time kernel
    63s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2023 14:11

General

  • Target

    Invoiceandpackinglist.exe

  • Size

    927KB

  • MD5

    be243e22ac3aedbbb1c9894a85e0e087

  • SHA1

    76b0bd8ef47a8a569b205672f9700e668f6d0189

  • SHA256

    30a680695af757592455d8768df9999f4b5abb540877e652b93373fb1a693e5b

  • SHA512

    c6121e38d1ac124b2946c3b194cb77a2c417433cd052c5fbaedf03b76478b5eec319e927aa83f9ce64c01943bfd572296865a52901fb721866573723a5ec4160

  • SSDEEP

    24576:uXMJqDbDyXjIonWR3NCGQZbOUAdwKvpqmK:uzLyTIoSsZnAdwK

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5982631795:AAFe1A7BEPv_6ExMz851LxdOAjr_9gqH8zY/sendMessage?chat_id=5968311109

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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\Invoiceandpackinglist.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoiceandpackinglist.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Users\Admin\AppData\Local\Temp\Invoiceandpackinglist.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoiceandpackinglist.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1252
      • 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:1796

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1252-62-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1252-80-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1252-71-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1252-68-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1252-66-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1252-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1252-63-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1252-61-0x0000000000400000-0x0000000000472000-memory.dmp

    Filesize

    456KB

  • memory/1584-59-0x0000000005990000-0x0000000005A40000-memory.dmp

    Filesize

    704KB

  • memory/1584-60-0x0000000004FA0000-0x000000000501A000-memory.dmp

    Filesize

    488KB

  • memory/1584-54-0x0000000000860000-0x000000000094C000-memory.dmp

    Filesize

    944KB

  • memory/1584-58-0x00000000002A0000-0x00000000002AA000-memory.dmp

    Filesize

    40KB

  • memory/1584-57-0x0000000004F60000-0x0000000004FA0000-memory.dmp

    Filesize

    256KB

  • memory/1584-56-0x0000000000250000-0x000000000025E000-memory.dmp

    Filesize

    56KB

  • memory/1584-55-0x0000000004F60000-0x0000000004FA0000-memory.dmp

    Filesize

    256KB

  • memory/1796-72-0x0000000000090000-0x00000000000F6000-memory.dmp

    Filesize

    408KB

  • memory/1796-74-0x0000000000090000-0x00000000000F6000-memory.dmp

    Filesize

    408KB

  • memory/1796-73-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/1796-76-0x0000000000090000-0x00000000000F6000-memory.dmp

    Filesize

    408KB

  • memory/1796-78-0x0000000000090000-0x00000000000F6000-memory.dmp

    Filesize

    408KB

  • memory/1796-79-0x0000000000B30000-0x0000000000BEC000-memory.dmp

    Filesize

    752KB