Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2022 19:08

General

  • Target

    SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe

  • Size

    171KB

  • MD5

    3f302c49278e12a784224ab5e843b550

  • SHA1

    ca15f2c458dc63f69d96c9b61437326f8a9f37fd

  • SHA256

    f218fa4276e991739589e3f96b0abc8f53d499b88f2d824beedc01ce49e53bcc

  • SHA512

    edbb3d882dec265c45fe529ea90849ecfa67152a9eb13d108a15dd0f97c0376649d6a0ab65c2745925cd8bc5460c7a5475971e9b7c4408d5be5153cdecad452c

  • SSDEEP

    3072:UWF+Dtae1EdgDt+Tr9lxGs3bRQ1t9VArqOuwBgvuXkJ0eiMNsTEmSHm:UWEDt1Ed28lxGs3bR8t9uBuYgvuXkJX8

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5627356603:AAG-Mx0TbSHRRW6IwndrpX3VLZdhd6C-Zac/sendMessage?chat_id=5472437377

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

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

  • StormKitty payload 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.1293.25944.579.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3972
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2120
      • 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:2224

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2120-134-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2120-136-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2120-139-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2120-144-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2224-141-0x0000000000140000-0x000000000015A000-memory.dmp

    Filesize

    104KB

  • memory/2224-142-0x00000000025E0000-0x0000000002646000-memory.dmp

    Filesize

    408KB

  • memory/2224-143-0x0000000005450000-0x00000000054EC000-memory.dmp

    Filesize

    624KB

  • memory/3972-132-0x0000000000270000-0x00000000002A0000-memory.dmp

    Filesize

    192KB