Analysis

  • max time kernel
    141s
  • max time network
    78s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14/08/2022, 06:33

General

  • Target

    hesaphareketi-01.exe

  • Size

    649KB

  • MD5

    bc8d543a0797561e76f944e6bfc4990e

  • SHA1

    489c5b7a55500f2121ffafd7621dd6c823aee243

  • SHA256

    49bdfdd87717e7988577673f3b78e9f3aca231ff6d2f5162209004769764fc42

  • SHA512

    75af675d881853aae556af089f64efed72382a05f38b43aa16e7111ddc5cccd98748ad17a462d52ee88d7a6e5f11f6d74d0c2db6963605eeb98eb6c5840d2e88

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 4 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:1452
    • 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:1932
      • 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:1824

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1452-55-0x0000000075041000-0x0000000075043000-memory.dmp

          Filesize

          8KB

        • memory/1452-56-0x00000000004A0000-0x00000000004C4000-memory.dmp

          Filesize

          144KB

        • memory/1452-57-0x00000000006F0000-0x0000000000714000-memory.dmp

          Filesize

          144KB

        • memory/1452-58-0x0000000000A50000-0x0000000000A5C000-memory.dmp

          Filesize

          48KB

        • memory/1452-59-0x0000000004D70000-0x0000000004DD4000-memory.dmp

          Filesize

          400KB

        • memory/1452-60-0x00000000044C0000-0x00000000044E8000-memory.dmp

          Filesize

          160KB

        • memory/1452-54-0x0000000000C10000-0x0000000000CB8000-memory.dmp

          Filesize

          672KB

        • memory/1824-73-0x0000000000090000-0x00000000000AA000-memory.dmp

          Filesize

          104KB

        • memory/1824-80-0x0000000000090000-0x00000000000AA000-memory.dmp

          Filesize

          104KB

        • memory/1824-78-0x0000000000090000-0x00000000000AA000-memory.dmp

          Filesize

          104KB

        • memory/1824-75-0x0000000000090000-0x00000000000AA000-memory.dmp

          Filesize

          104KB

        • memory/1932-62-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1932-69-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1932-66-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1932-64-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1932-61-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1932-82-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB