Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    151s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2022, 08:34

General

  • Target

    _220926_.EXE.exe

  • Size

    204KB

  • MD5

    1a6cd2ff652a3c9c909682a62fa6e25a

  • SHA1

    54a16855a8a48f4f847a0a8ca66a2f26b333b2cd

  • SHA256

    00bcf28771526c2f876a4135520a4eb5a373f6671ea6c94eea36ce2cccbc8e43

  • SHA512

    316d788ef92ee882d39dce5f8a61b34c783b61466b6f1682f1fcf055bdc2c290990abd1a93cdf9774616d32968e23acd8dfb609d6a4b8880110a8ef4f1298385

  • SSDEEP

    3072:8I42jI06VSyw9rPdTlYpw3BC/3MYxLXVnSCLr/nEayyGq:8z7yywlPdhYqxm3H5SC

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5641602090:AAFgkXeQEDF1Zq8nmUMQJA2TjfP0wsTJyeM/sendMessage?chat_id=1755939698

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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\_220926_.EXE.exe
    "C:\Users\Admin\AppData\Local\Temp\_220926_.EXE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
      2⤵
        PID:4976
      • 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:5032
        • 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:2968

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2968-142-0x0000000000D60000-0x0000000000D7A000-memory.dmp

      Filesize

      104KB

    • memory/2968-143-0x00000000051F0000-0x0000000005256000-memory.dmp

      Filesize

      408KB

    • memory/2968-144-0x0000000005A30000-0x0000000005ACC000-memory.dmp

      Filesize

      624KB

    • memory/4436-132-0x0000000000170000-0x00000000001A4000-memory.dmp

      Filesize

      208KB

    • memory/5032-135-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

    • memory/5032-137-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

    • memory/5032-140-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

    • memory/5032-145-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB