Analysis

  • max time kernel
    64s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2022 20:18

General

  • Target

    order request.exe

  • Size

    907KB

  • MD5

    d684ffec7438d50b76869761acf3672a

  • SHA1

    8f10196462c460575b7907198b0efccaa57fe184

  • SHA256

    a99ad6c50cd5ec1409151d618216ea2616d10d8e3959f8f3067b257b172efa4b

  • SHA512

    ff57b43d0e5b975264314ba4885ae0749f5c1438fba27865fbc27659ccda115905d58dad4e51934d423c0890f032b61907f34cc410212b75fa71fc219dbc1469

  • SSDEEP

    24576:4/5UXyIiQEM+8+b8f1rQR+FjdTy9KUE6EEUXjZnbCkI:4/5myoo4f1rQIBdxUzUXjZnbCkI

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5797428905:AAGaRRXGZN1d9GGFd3sE5x4uSpCGF0PU4m4/sendMessage?chat_id=1251788325

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\order request.exe
    "C:\Users\Admin\AppData\Local\Temp\order request.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Users\Admin\AppData\Local\Temp\order request.exe
      "C:\Users\Admin\AppData\Local\Temp\order request.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:564
      • 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:460

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/460-72-0x0000000000130000-0x0000000000196000-memory.dmp

    Filesize

    408KB

  • memory/460-81-0x0000000004A00000-0x0000000004ABC000-memory.dmp

    Filesize

    752KB

  • memory/460-79-0x0000000000130000-0x0000000000196000-memory.dmp

    Filesize

    408KB

  • memory/460-77-0x0000000000130000-0x0000000000196000-memory.dmp

    Filesize

    408KB

  • memory/460-74-0x0000000000130000-0x0000000000196000-memory.dmp

    Filesize

    408KB

  • memory/564-82-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/564-63-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/564-65-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/564-83-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/564-68-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/564-60-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/564-61-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/1692-59-0x0000000004D40000-0x0000000004DB4000-memory.dmp

    Filesize

    464KB

  • memory/1692-57-0x0000000000690000-0x000000000069C000-memory.dmp

    Filesize

    48KB

  • memory/1692-56-0x00000000006F0000-0x0000000000708000-memory.dmp

    Filesize

    96KB

  • memory/1692-55-0x00000000763A1000-0x00000000763A3000-memory.dmp

    Filesize

    8KB

  • memory/1692-58-0x00000000052B0000-0x000000000535A000-memory.dmp

    Filesize

    680KB

  • memory/1692-54-0x00000000000F0000-0x00000000001DA000-memory.dmp

    Filesize

    936KB