Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02/03/2021, 07:53

General

  • Target

    0301_4735106192.doc

  • Size

    309KB

  • MD5

    5b88ce7b6d291bcc66ba051a506354a9

  • SHA1

    39399130b340c650a2586017b25697042b5017d5

  • SHA256

    f6ac72773b856d715ea59ca3f0392877d68c326faf1c005bdd2cf89a018b70cd

  • SHA512

    e4e02c9febc093affdc63023db53ceb98fedeab98fbbf5f52caa1bc3e6d982de7a7f18869d1756ad63aee804085351eb91cc1cc05c355aa713adbc04b3ddc4ee

Malware Config

Extracted

Family

hancitor

Botnet

0103_jepskew

C2

http://ementincied.com/8/forum.php

http://watoredprocaus.ru/8/forum.php

http://noriblerughly.ru/8/forum.php

Signatures

  • Hancitor

    Hancitor is downloader used to deliver other malware families.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 3 IoCs
  • Loads dropped DLL 2 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 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0301_4735106192.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1332
      • C:\Windows\System32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,TJDGIAVOWBH
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:2124
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,TJDGIAVOWBH
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3832
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\System32\svchost.exe
            4⤵
              PID:2204

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/860-5-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

              Filesize

              64KB

            • memory/860-6-0x00007FFB80EE0000-0x00007FFB81517000-memory.dmp

              Filesize

              6.2MB

            • memory/860-3-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

              Filesize

              64KB

            • memory/860-4-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

              Filesize

              64KB

            • memory/860-2-0x00007FFB60CA0000-0x00007FFB60CB0000-memory.dmp

              Filesize

              64KB

            • memory/1332-8-0x0000000002E80000-0x0000000002F81000-memory.dmp

              Filesize

              1.0MB

            • memory/2204-17-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/2204-19-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/3832-14-0x0000000002581000-0x0000000002596000-memory.dmp

              Filesize

              84KB

            • memory/3832-16-0x0000000002550000-0x0000000002551000-memory.dmp

              Filesize

              4KB

            • memory/3832-15-0x0000000002580000-0x000000000258A000-memory.dmp

              Filesize

              40KB