Analysis

  • max time kernel
    146s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2022 08:59

General

  • Target

    SecuriteInfo.com.Trojan.PackedNET.738.23341.25620.exe

  • Size

    720KB

  • MD5

    0a8a8bb51b44f7f6ccd46e5d1eb1d18a

  • SHA1

    344087770607b1d798119e7ca80a791ccc78e8d7

  • SHA256

    e7ad0d4818864258099fb12565bf8c2ae0133e8aca18479535a8641af5a54650

  • SHA512

    fd177bafd084f79335e2a39d52792d63d663726a1cf7e6f3870d23880470fc98fa0dc4fb6f13729813ae849d342a6ccb3bd6eacf725b8cb7d0de76a8da7c1993

  • SSDEEP

    6144:8MTl4yBAYL3m8YIuu55dZro8g4RhNr2QospDh9uNwIzOvvWVxCjZyk67Wvfih0mi:8MHPLW8z75za8ZRjrVxvut+vrdyz7

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5576673774:AAF__hFRh9bcJV72HkFb-9eZR9JNNyuOmFM/sendMessage?chat_id=1194722650

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 4 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.738.23341.25620.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.738.23341.25620.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1504
      • 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
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2004

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1504-63-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1504-82-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1504-80-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1504-68-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1504-65-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1504-60-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1504-61-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1996-58-0x0000000005FC0000-0x0000000006040000-memory.dmp

    Filesize

    512KB

  • memory/1996-59-0x00000000041A0000-0x00000000041C8000-memory.dmp

    Filesize

    160KB

  • memory/1996-54-0x0000000000980000-0x0000000000A3A000-memory.dmp

    Filesize

    744KB

  • memory/1996-57-0x0000000000480000-0x000000000048C000-memory.dmp

    Filesize

    48KB

  • memory/1996-56-0x0000000000470000-0x0000000000486000-memory.dmp

    Filesize

    88KB

  • memory/1996-55-0x0000000075281000-0x0000000075283000-memory.dmp

    Filesize

    8KB

  • memory/2004-72-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/2004-74-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/2004-79-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB

  • memory/2004-77-0x0000000000090000-0x00000000000AA000-memory.dmp

    Filesize

    104KB