Analysis

  • max time kernel
    151s
  • 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
    08-09-2022 05:13

General

  • Target

    hesaphareketi-01.pdf.exe

  • Size

    967KB

  • MD5

    20be6ec20e3f2b6dab78f6d42d31371c

  • SHA1

    d54e72166d35c429dee3b5c5e227afe2fcb7ad7c

  • SHA256

    a29933d22324521ab3f6fccd48df10ae472f62e73ada2f6550d971322594e071

  • SHA512

    e24cf1d9fa97b687273a94fcdb8d1571b23905cfe2123e08ff5d3fdf85a02e7c8107fdb6826a8690ec3f38c1d1d05f89ba7ede26a93f4f6245d46a18f5466ad0

  • SSDEEP

    12288:NA9b0ZeV01NRnWNwwUyJRcOKcN3XhYxkY3hZ29:wXyrpcwVyTcOJNHOx+

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 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:436
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\WIPlLr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3776
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WIPlLr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8ADB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:404
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
      2⤵
        PID:4644
      • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4504
        • 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:1364

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8ADB.tmp

      Filesize

      1KB

      MD5

      e1fed00dcf281a703a713073cfc92ecc

      SHA1

      e90c974c1cbae831a23e2b291bd09e3355d2915c

      SHA256

      f4efd544cc8543b3b668715242ec9f7c2e75fffeb2184fa9600a5f2c54ead1aa

      SHA512

      0d6d9a0b253a12dbfebabcd2d49a40f950f43319a3620081ec638a7a3cafcaaaa72d77805ce6495a48d0600bcd880ca7b57e5c35b7a6c4aa6204ec6a2ea08ac4

    • memory/436-132-0x0000000000500000-0x00000000005F8000-memory.dmp

      Filesize

      992KB

    • memory/436-133-0x0000000005630000-0x0000000005BD4000-memory.dmp

      Filesize

      5.6MB

    • memory/436-134-0x0000000004FD0000-0x0000000005062000-memory.dmp

      Filesize

      584KB

    • memory/436-135-0x0000000004F80000-0x0000000004F8A000-memory.dmp

      Filesize

      40KB

    • memory/436-136-0x0000000008AF0000-0x0000000008B8C000-memory.dmp

      Filesize

      624KB

    • memory/436-137-0x0000000000ED0000-0x0000000000F36000-memory.dmp

      Filesize

      408KB

    • memory/1364-154-0x0000000000760000-0x000000000077A000-memory.dmp

      Filesize

      104KB

    • memory/3776-149-0x0000000005A20000-0x0000000005A86000-memory.dmp

      Filesize

      408KB

    • memory/3776-161-0x0000000007D10000-0x0000000007D1A000-memory.dmp

      Filesize

      40KB

    • memory/3776-165-0x0000000007FC0000-0x0000000007FC8000-memory.dmp

      Filesize

      32KB

    • memory/3776-164-0x0000000007FE0000-0x0000000007FFA000-memory.dmp

      Filesize

      104KB

    • memory/3776-148-0x0000000005980000-0x00000000059A2000-memory.dmp

      Filesize

      136KB

    • memory/3776-163-0x0000000007ED0000-0x0000000007EDE000-memory.dmp

      Filesize

      56KB

    • memory/3776-162-0x0000000007F20000-0x0000000007FB6000-memory.dmp

      Filesize

      600KB

    • memory/3776-152-0x0000000006990000-0x00000000069AE000-memory.dmp

      Filesize

      120KB

    • memory/3776-140-0x0000000002FD0000-0x0000000003006000-memory.dmp

      Filesize

      216KB

    • memory/3776-143-0x0000000005C40000-0x0000000006268000-memory.dmp

      Filesize

      6.2MB

    • memory/3776-156-0x0000000006F50000-0x0000000006F82000-memory.dmp

      Filesize

      200KB

    • memory/3776-157-0x00000000710D0000-0x000000007111C000-memory.dmp

      Filesize

      304KB

    • memory/3776-158-0x0000000006F10000-0x0000000006F2E000-memory.dmp

      Filesize

      120KB

    • memory/3776-159-0x0000000008320000-0x000000000899A000-memory.dmp

      Filesize

      6.5MB

    • memory/3776-160-0x0000000007CA0000-0x0000000007CBA000-memory.dmp

      Filesize

      104KB

    • memory/4504-155-0x0000000000400000-0x0000000000425000-memory.dmp

      Filesize

      148KB

    • memory/4504-147-0x0000000000400000-0x0000000000425000-memory.dmp

      Filesize

      148KB

    • memory/4504-145-0x0000000000400000-0x0000000000425000-memory.dmp

      Filesize

      148KB

    • memory/4504-166-0x0000000000400000-0x0000000000425000-memory.dmp

      Filesize

      148KB