Analysis

  • max time kernel
    127s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    27/07/2022, 15:00

General

  • Target
    hesaphareketi-01.exe
  • Size 675KB
  • Sample220727-sdblmaehdn
  • SHA256 04dd34e9c47d5e11228de612106b71ba98fc2ca94840543acaf843cbb7123e99
  • MD5 SHA1 SHA512

Malware Config

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
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • 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\hesaphareketi-01.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2020
      • 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:1552

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/848-55-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

        memory/848-56-0x0000000000960000-0x0000000000976000-memory.dmp

        memory/848-57-0x0000000000980000-0x000000000098A000-memory.dmp

        memory/848-58-0x000000000A2F0000-0x000000000A36A000-memory.dmp

        memory/848-59-0x0000000000B30000-0x0000000000B62000-memory.dmp

        memory/848-54-0x0000000000BD0000-0x0000000000C7E000-memory.dmp

        memory/1552-73-0x0000000000090000-0x00000000000AA000-memory.dmp

        memory/1552-80-0x0000000000090000-0x00000000000AA000-memory.dmp

        memory/1552-78-0x0000000000090000-0x00000000000AA000-memory.dmp

        memory/1552-75-0x0000000000090000-0x00000000000AA000-memory.dmp

        memory/2020-63-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2020-71-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2020-68-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2020-65-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2020-61-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2020-60-0x0000000000400000-0x0000000000427000-memory.dmp

        memory/2020-83-0x0000000000400000-0x0000000000427000-memory.dmp